Enzymes use several types of catalytic mechanisms. Differentiate between acid-base catalysis, covalent catalysis, and metal ion catalysis.

Answers

Answer 1

In catalysis and base catalysis, a chemical reaction is catalysed by an acid or a base.

Covalent catalysis involves the formation of a covalent bond.

Metal ions contribute to the catalytic process through their ability to attract or donate electrons.

What are enzymes?

An enzyme is a biological catalyst and is almost always a protein. It speeds up the rate of a specific chemical reaction in the cell.

In catalysis and base catalysis, a chemical reaction is catalysed by an acid or a base. by Bronsted - Lowry acid-base theory, the acid is the proton ( hydrogen ion, H+) donor and a base is the proton accentor typical reaction catalyzed by proton transfer are esterifications and aldol reactions .

Covalent catalysis involves the formation of a covalent bond between the enzyme and at least one of the substrates involved in the reaction. Often times this involves nucleophilic catalysis which is a subclass of covalent catalysis.

Metal ions are essential for the catalytic action of some enzymes. Metal ions contribute to the catalytic process through their ability to attract or donate electrons. Some metals bind the substrate by coordination links. Others contribute to maintaining the tertiary and quaternary structures of the enzyme molecule.

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Related Questions

Select the correct answer.

Which substance in this redox reaction is the oxidizing agent?

Cu + 2AgNO3 → 2Ag + Cu(NO3)2

A.
N
B.
AgNO3
C.
Cu
D.
NO3−
E.
Cu(NO3)2
Reset Next
Post Test: Chemical Reactions
© 2022 Edmentum. All rights reserved.

Answers

Answer:

CU

Explanation:

Cu is the correct answer if I'm correct

What did people use for energy before fossil fuel and electrical power energy was harnessed?
They used whale oil and steam power to run machines.
Humans had only their own muscles and a knowledge of levers and pulleys for power.
Humans burned wood to power their machines.
Humans used muscle power and direct wind and water power.

Answers

Before the occurance of Fossil fuel, our energy needs were modest. For heat, we relied on the sun—and burned wood, straw, and dried dung For transportation, the muscle of horses and the power of the wind in our sails took us to every corner of the world.

What is Fossil Fuel ?

Fossil fuels are made from decomposing plants and animals.

These fuels are found in the Earth's crust and contain carbon and hydrogen, which can be burned for energy.

Coal, oil, and natural gas are examples of fossil fuels.

Hence, Before the occurance of Fossil fuel, our energy needs were modest. For heat, we relied on the sun—and burned wood, straw, and dried dung For transportation, the muscle of horses and the power of the wind in our sails took us to every corner of the world.

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Answer:

B is the answer.

Explanation:

sry if wrong :D

Using a ph meter, you find the ph of an unknown solution to be 8. 0. How would you describe this solution?.

Answers

Answer:

Just Barely Base/Neutral

Explanation:

a pH of 8.0 is greater than Neutral (7.0) but is still neutral due to it being more neutral than a base

Describe the characteristics of a double replacement reaction, how identified, and types of compounds in the reactants and products. give an example in a response

Answers

The characteristics of a double replacement reaction as well as example to depict it are clearly explained below.

What are the characteristics of a double replacement reaction?

A double-replacement reaction is one that occurs when parts of two ionic compounds are exchanged thereby making two new compounds.

A characteristic of a double-replacement equation is that there are two compounds as reactants and two different compounds as products.

A precipitate forms in a double-replacement reaction when the cations from one of the reactants combine with the anions from the other reactant to form an insoluble ionic compound.

An example of a double displacement reaction is;

CuCl₂(aq) + 2AgNO₃(aq) → Cu(NO₃)₂(aq) + 2AgCl(s)

Due to the fact that a precipitate is formed, the double replacement reaction is also called a precipitation reaction.

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Read about Flexon below. What scientific name is given to this kind of alloy?

Flexon :
Flexon is the trademarked name for a special material that is used to make frames for spectacles. It is light and extremely flexible. If it is bent it will 'remember' its original shape and return to it.

Answers

IBUPROFEN-400MG + PARACETAMOL-325MG is the scientific name Flexon.

What does Flexon mean?

Flexon is the trademark for a shape memory alloy of titanium that is used to make eyeglass frames.

The metal alloy used by Flexon in their eyewear was actually destined for a very different path when, in 1961, US Naval Scientists creating a missile heat shield discovered that the alloy they were using automatically returned to its original shape, even after being hit by a hammer.

Flexon is the trademarked name for a special material that is used to make frames for spectacles. It is light and extremely flexible. If it is bent it will 'remember' its original shape and return to it.

Flexon eyeglasses are all made of memory metal titanium.

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Aluminum oxide reacts with lithium metal. What is the coefficient for lithium when the equation is balanced?

Answers

Answer:

The Coefficient is 1

Explanation:

How many hydrogen atoms are present in 2-methyl-2-butene?

Answers

There are three kinds of Hydrogen in  2-methyl-2-butene

The correct question is

How many kinds of  hydrogen atoms are present in 2-methyl-2-butene

What is an atom ?

Atom was discovered by Dalton's Atomic theory , he predicted that each element consist of large number of a very small thing known as atom.

In the structure of 2-methyl-2-butene there are 3 types oh Hydrogen

1. Attached to the Carbon atom connecting the methyl ion to the butene

2. Connected to the last Carbon atom

3. Connected to the Carbon bond having double bond.

Therefore there are three kinds of Hydrogen in  2-methyl-2-butene.

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the plastic region of the stress-strain curve for a metal is characterized by

Answers

The plastic region of the stress-strain curve for a metal is characterized by a proportional relationship between stress and strain.

What is the usefulness of stress-strain curve?

Stress-strain curve serves as the curve that help to show the relationship between stress and strain of a particular material especially in engineering.

With these curve the  reaction of a material when a load is applied can be known before using the material for construction work.

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(100 POINTS) WILL MARK BRAINLIEST
Which of the following explains how one of the postulates in John Dalton's atomic theory was later subjected to change?

Various scientists found that all atoms of a particular element are identical.
Some scientists found that atoms combine in simple whole number ratios to form compounds.
Various scientists found that atoms consist of subatomic particles with varying mass and charge.
Some scientists found that bonds between atoms are broken, rearranged, or reformed during reactions.

Answers

One of the postulates in John Dalton's atomic theory was later subjected to change was that Various scientists found that atoms consist of subatomic particles with varying mass and charge. option C is correct.

What are subatomic particles?

An atom is consist of three sub atomic particles called proton, neutrons and electrons also known as the fundamental nit of an atom.

Atom consist of an nucleus into which proton and neutrons are present and protons are positively charged whereas neutrons are neutral and electrons revolve around the nucleus in the fixed paths called shells and negatively charged.

Therefore, the postulates in John Dalton's atomic theory was later subjected to change was that Various scientists found that atoms consist of subatomic particles with varying mass and charge. option C is correct.

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Answer:

D. some scientists found that bonds between atoms are broken rearranged or reformed during reactions. According to Dalton's other theories, this is the only one that differentiates from his original theories :)

Explanation:

why is the nitrogen important to humans

Answers

Nitrogen is important for all humans because it is a major part of amino acids, which are the building constituents of proteins and of nucleic acids such as deoxyribonucleic acid, which transfers genetic information to the next generation.

What is the nitrogen cycle?

It is the biogeochemical circuit that supplies nitrogen to living things and keeps it circulating in the biosphere.

Importance of the nitrogen :

The nitrogen that is part of the atmosphere in the form of N₂ cannot be used by animals and plants, and for this reason, this mechanism is needed to convert the N₂ into usable forms.

Following the order of the food chain, the nitrogen in the plants passes to the herbivorous animals and then to the carnivores, spreading between the different links of the food pyramid.

Humans use nitrogen to make amino acids, proteins, nucleic acids, and DNA.

Therefore, we can conclude that the nitrogen is a vital circuit for the existence of Humans and all other living organism since we are unable to fix nitrogen from its gaseous form.

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identify the reaction type predict the products and the balance in each of the following equations a. ___K3PO4 + ___ MgCl2 --> b. ___Fe + ___Na2CO3 --> c. ___CH4 + ___O2 --> d. ___H2 + ___Cl2 -->

Answers

a. 2K₃PO₄ + 3MgCl₂ ----> Mg₃(PO₄)₂ + 6KCl

This is a double displacement reactionPotassium displaces Magnesium from magnesium chlorideMagnesium displaces potassium from potassium phosphate

b. Fe + Na₂CO₃ -----> FeCO₃ + 2Na

This is a redox reactionIron undergoes oxidation, iron is oxidised to ferrous carbonateSodium undergoes reduction, sodium is reduced from sodium carbonate to sodium metal

c. CH₄ + 2O₂ ------> CO₂ + 2H₂O

This is a combustion reactionMethane undergoes combustion in the presence of oxygen to produce carbon dioxide and water

d. H₂ + Cl₂ -------> 2HCl

This is a combination reactionHydrogen gas and chlorine gas combine to form Hydrogen chloride gas

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n
What is an isotope?

Answers

a species of an atom with the same chemical element and atomic number but with different atomic masses and physical properties. in other words, it’s a version of a chemical element.

229.2 g of tin was heated from 46.3 to 115.7°C. How much energy was used to heat tin? (Specific heat capacity of Sn is 0.222 J/g x °C)

Answers

3531.23 J is the energy used to heat tin when 229.2 g of tin was heated from 46.3 to 115.7°C.

What is specific heat capacity?

The specific heat capacity is defined as the quantity of heat (J) absorbed per unit mass (kg) of the material when its temperature increases by 1 K (or 1 °C), and its units are J/(kg K) or J/(kg °C).

Q=mcΔT

Give data:

m=229.2 g

c=0.222 J/g x °C

ΔT=115.7°C - 46.3°C

ΔT= 69.4 °C

Putting value in the equation:

Q=mcΔT

Q=229.2 g x 0.222 J/g°C x 69.4 °C

Q= 3531.23 J

Hence, 3531.23 J is the energy used to heat tin.

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Which are the two major greenhouse gases?
OA. CO₂ and CH4
OB. 0₂ and H₂0
OC. CH₂0 and CO
OD. NO and NO₂2

Answers

Answer:

A. CO2 and CH4

The two major greenhouse gases are CO₂ and CH₄ and the correct option is option A.

What are Greenhouse Gases?

Greenhouse gases are gases in Earth’s atmosphere that trap heat. They let sunlight pass through the atmosphere, but they prevent the heat that the sunlight brings from leaving the atmosphere.

These gases have the property of absorbing infrared radiation (net heat energy) emitted from Earth’s surface and reradiating it back to Earth’s surface, thus contributing to the greenhouse effect.

Each of these gases can remain in the atmosphere for different amounts of time, ranging from a few years to thousands of years.

Examples of greenhouse gases are carbon dioxide, methane and water vapour.

Therefore, the two major greenhouse gases are CO₂ and CH₄ and the correct option is option A.

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A chemist divides a large sample of a mixture into three smaller portions. each of these portions contains different ratios of the component substances that make up the mixture. which description best fits the mixture? a. compound b. element c. heterogeneous mixture d. homogeneous mixture e. pure substance

Answers

A heterogeneous mixture is not uniform in composition. Hence, option C is correct.

What is a heterogeneous mixture?

A heterogeneous mixture is a mixture in which the composition is not uniform throughout the mixture.

This substance is not an element or compound, because different components could be observed in the substance.  

A pure substance is made up of only one type of atom (element) or only one type of molecule (compound), mixtures and solutions are made from two or more types of pure substances.

For example, aluminium is an element and ammonia is a compound.

This substance is not a homogeneous mixture, because different samples of the substance appeared to have different proportions of the components.

Hence, this substance is a heterogeneous mixture.

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Answer:

heterogeneous mixture

Explanation:

What mass of YCL3 forms when 10.0 grams of each reactant are combined?

Answers

The mass of [tex]YCl_3[/tex] that would be formed will be 18.22 grams

Stoichiometric calculations

Let us first look at the balanced equation of the reaction:

[tex]2Y + 3Cl_2 --- > 2YCl_3[/tex]

The mole ratio of Y to [tex]Cl_2[/tex] is 2:3.

Mole of 10.0 grams of Y = 10/88.9 = 0.11 moles

Mole of 10.0 grams  [tex]Cl_2[/tex] = 10/71 = 0.14 moles

3/2 of 0.11 = 0.165. Thus,  [tex]Cl_2[/tex] is limiting in availability.

Mole ratio of  [tex]Cl_2[/tex] and [tex]YCl_3[/tex] = 3:2

Equivalent mole of [tex]YCl_3[/tex] = 2/3 x 0.14 = 0.093 moles.

Mass of 0.093 moles [tex]YCl_3[/tex] =0.093 x 195.26 = 18.22 grams

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What is the mass of a 7.426-mole sample of sodium hydroxide (NaOH molar mass = 40.0 g/mol)?
Select one:
5.360 g
40.00 g
179.1g
297.0 g

Answers

[tex](40.0)(7.426)=\boxed{297.0 \text{ g (to 4 sf)}}[/tex]

Solve the given division and express the answer in terms of scientific notation. 4.8
x 104 by 1.6 × 10³ =

Answers

The regular answer would be 30 but in scientific notation it is 3x10^1.

what could cause an error DNA in replication

Answers

NOTICE: There are attachments attached to this answer that is mentioned  in each paragraph!

We frequently see DNA replication as a well-organized, methodical process, much like a production line. It's not. For the DNA polymerase to read it, the DNA must not lie in a straight line and must be in motion, not static. It is curled and twisted. First, realize that this is a molecular issue. Bacteria lack neurons, cannot "think," and cannot make decisions. Everything is a chemical reaction, and chemical reactions frequently depend on one concentration's osmotic pressure being higher than another, both inside the cell and outside. Even at that level, there is a lot of "nothing," albeit nothing is empty. For a better understanding of the environment, picture a cell as a large room filled with balls of all sizes. Each ball has a unique form and isn't spherical; some balls fit together flawlessly while others don't. This is the easiest way to conceptualize the universe of molecular chemistry. There is never "nothing" other than in space when you push your way through layers upon layers of free oxygen, free nitrogen, helium, carbon dioxide, hydrogen dioxide, argon, methane, etc. when you walk through what we term "air."

Replication mistakes happen. Sometimes DNA polymerase enzymes add the incorrect nucleotide, too many, or too few nucleotides to a sequence. Or the DNA polymerase gets looped on the same strand, adding a few codons in a repetition before the strand slips away and it continues, or there is a tangle of crossing DNA and it jumps to the incorrect thread and back (or never), etc. In order to ensure that the bases added to a developing strand are appropriately matched with their complements, DNA polymerase enzymes are quite picky about the nucleotides they choose to use. However, these enzymes do make errors. Specifically, at a rate of around 1 per 100,000 nucleotides. Doesn't sound like much, but since each diploid cell has 6 billion base pairs, there are around 120,000 errors every cell division.

Ribosomal errors during transcription can even change the synthesis of the DNA polymerase proteins, leading to the creation of a mechanism that is already faulty. Since not all ribosomes are created equally, ribosome quality is important. Bacterial mutation rates are greater because bacterial ribosomes are less accurate and produce a lot more errors than human ribosomes. That is a benefit for simple, quickly reproducing life, which is also very vulnerable to the stresses of the molecular chemical environment. Unlike most more complex forms of life, which also have DNA repair mechanisms incorporated into the DNA polymerase, humans have these mechanisms. Some of these processes can often correct mistakes as soon as they are produced, while others can do so over time.

Regarding the pairing of C and T, etc. There are a number of balls in that room that, at first glance, appear to be identical, but if you compare two closely, you could find that one bump is larger or is located incorrectly even if it appears to be same. Proton shift is one such. Here are two instances using the purine guanine (G) and the pyrimidine thymine (T) (G). Please excuse my handwriting; I learned to type at a very young age. Shifted on the right, normal on the left. NA polymerase (as do most more complex forms of life) frequently correct mistakes as soon as they are made and others that correct mistakes later.

(ATTATCHMENT #1)

How many grams of
diphosphorus trioxide, P2O3, are
required to produce 10.2 moles of
phosphorous acid, H3PO3?

P2O3 + 3H₂O → 2H3PO3

[?] g P₂O3

Answers

From the equation, we know that for every 2 moles of phosphorous acid produced, 1 mole of diphosphorus trioxide is consumed.

This means that we need to find the mass of 10.2/2 = 5.1 moles of diphosphorus trioxide.

The atomic mass of phosphorous is 30.973761998 g/mol.The atomic mass of oxygen is 15.9994 g/mol.

So, the formula mass of diphosphorus trioxide is:

2(30.973761998)+3(15.9994)=109.945723996 g/mol.

Thus, 5.1 moles have a mass of:

5.1(109.945723996), which is about 561 g (to 3 sf)

Answer: 561 g

Explanation:

how can one establish whether a liquid sample extracted from a plant is pure

Answers

The most accurate means of determining the purity of a substance is through the use of analytical methods. These methods, widely used in different industries, mostly involve chemical analysis, which can pinpoint the presence, identity and amount of impurities in the sample. The most simple chemical methods include gravimetry and titration. There are also the more advanced light-based or spectroscopic methods, such as UV-VIS spectroscopy, nuclear magnetic resonance and infrared spectroscopy. Chromatographic methods, such as gas chromatography and liquid chromatography, can also be used. Other methods used in testing the purity include mass spectroscopy, capillary electrophoresis, optical rotation and particle size analysis.

-basically nerdy talk for using machines controlling chemicals or other atoms to pinpoint any impurities

what is the mass in grams of ba(io3)2 can be dissolved in 500 ml of water at 25 degrees celcius?

Answers

The mass of Ba(IO3)2 that can be dissolved in 500 ml of water at 25 degrees celcius is 2.82 g

What mass of Ba(IO3)2 can be dissolved in 500 ml of water at 25 degrees celcius?

The Ksp of Ba(IO3)2 = 1.57 × 10^-9

Molar mass of Ba(IO3)2 = 487 g/mol?

Dissociation of Ba(IO3)2 produces 3 moles of ions as follows:

[tex]Ba(IO_{3})_{2} \leftrightharpoons Ba^{2+} + 2\:IO_{3}^{-}[/tex]

[tex]Ksp = [Ba^{2+}]*[IO_{3}^{-}]^{2}[/tex]

[tex][Ba(IO_{3})_{2}] = \sqrt[3]{ksp} =

\sqrt[3]{1.57 \times {10}^{ - 9} } \\ [Ba(IO_{3})_{2}] = 1.16 \times {10}^{-3} moldm^{-3}[/tex]

moles of Ba(IO3)2 = 1.16 × 10^-3 × 0.5 = 0.58 × 10^-3 moles

mass of Ba(IO3)2 = 0.58 × 10^-3 moles × 487 = 2.82 g

Therefore, mass Ba(IO3)2 that can be dissolved in 500 ml of water at 25 degrees celcius is 2.82 g.

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Which energy source from a reservoir would provide affordable, abundant electricity for a factory? solar panels wind turbines gas generators a hydroelectric plant

Answers

The energy source from a reservoir would provide affordable, abundant electricity for a factory is a hydroelectric power plant; option D.

What is energy?

Energy is the ability to do work.

Energy generating plants may either use wind, water or solar energy to produce electrical energy.

The most abundant source of energy from a reservoir is hydroelectric power plant.

Therefore, the energy source from a reservoir would provide affordable, abundant electricity for a factory is a hydroelectric power plant.

In conclusion, hydroelectric power plants are reservoirs of abundant energy supply.

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A 208.1 mL sample of gas exerts 574.6 mm Hg pressure at 44.4 ºC. What pressure does it exert at 68.1 ºC if the volume expands to 401.5 mL?
a. 320
b. 457
c. 190
d. 917

Answers

Answer:

a.  P = 320 mmHg

Explanation:

For this problem, the pressure, volume, and temperature are changing, so we'll need to combine Boyle's Law and Charles' Law:

[tex]\dfrac{P_1V_1}{T_1}=\dfrac{P_2V_2}{T_2}[/tex]

For this equation, the temperatures must be measured in Kelvin.  The rest of units in the equation only need to match between beginning and end conditions.

Recall that to convert from Celsius to Kelvin, add 273, or use the equation [tex]T_C+273=T_K[/tex].

So [tex]T_1=(44.4+273)[K]=317.4[K][/tex]  and [tex]T_2=(68.1+273)[K]=341.1[K][/tex]

Substituting known values, we can solve for the unknown:

[tex]\dfrac{P_1V_1}{T_1}=\dfrac{P_2V_2}{T_2}[/tex]

[tex]\dfrac{(574.6[mmHg])(208.1[mL])}{(317.4[K])}=\dfrac{P_2(401.5[mL])}{(341.1[K])}[/tex]

[tex]\dfrac{(574.6[mmHg])(208.1[mL]\!\!\!\!\!\!\!\!\!\!{--} )}{317.4[K]\!\!\!\!\!\!{-}}*\dfrac{341.1[K] \!\!\!\!\!\!{-}}{401.5[mL] \!\!\!\!\!\!\!\!\!\!\!{--} }=\dfrac{P_2(401.5[mL] \!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!{-----})}{341.1[K] \!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!{----}}*\dfrac{341.1[K] \!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!{----}}{401.5[mL] \!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!{-----} }[/tex]

[tex]320.056719296[mmHg]=P_2[/tex]

Accounting for significant figures, [tex]P_2=320.1[mmHg][/tex].  

The closest answer provided is 320, so "a".

How many calories are absorbed
when water absorbs 6.55 kJ of
energy?
[?] cal

Answers

The number of calories which are absorbed when water absorbs 6.55 KJ of energy is 1565.49 calories

How do I determine the number of calories absorbed?

To know the number of calories which are absorbed when water absorbs 6.55 KJ of energy, we shall begin by converting 6.55 KJ to joules (J). Details below:

Energy (in KJ) = 6.55 KJEnergy (in J) =?

1 KJ = 1000 J

Therefore,

6.55 KJ = (6.55 KJ × 1000 J) / 1 KJ

6.55 KJ = 6550 J

Finally, we shall convert 6550 J to calories. This is illustrated below:

Energy (in J) = 6550 JEnergy (in calories) =?

4.184 J = 1 calorie

Therefore,

6550 J = (6550 J × 1 calorie) / 4.184 J

6550 J = 1565.49 calories

Thus, from the above calculations, we can conclude that the number of calories absorbed is 1565.49 calories

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Use the periodic table to answer the following questions.

What is the predicted order of first ionization energies from highest to lowest for beryllium, calcium, magnesium, and strontium?

Be > Ca > Mg > Sr

Be > Mg > Ca > Sr

Ca > Sr > Be > Mg

Sr > Ca > Mg > Be

Answers

From the  highest to lowest Ionization Energies for beryllium, calcium, magnesium, and strontium, the order is:  Be > Mg > Ca > Sr

How to use the periodic table?

Ionization energy is defined as a measure of the difficulty in removing an electron from an atom or ion or the tendency of an atom or ion to give off an electron.

Now, ionization energy usually decreases as it descends in a group.  Thus, from the  highest to lowest for beryllium, calcium, magnesium, and strontium, the order is determined as:

Be > Mg > Ca > Sr

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Answer: B (BE > MG > CA > SR)

Explanation: ON EDGE

which experimental technique was most likely used by the students to determine the rate of reaction?

Answers

The most common way to monitor the rate of reaction is by observing the increase in the absorbance of the solution.

What is the rate of reaction?

The rate of reaction is the rate at which reactants are converted into products or the rate at which the reactants disappear.

Given that the reaction is a colorimetric reaction, the most common way to monitor the rate of reaction is by observing the increase in the absorbance of the solution.

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When 4 mol of glucose is fermented, a mass of 55.2 g of ethanol is produced. Show that the percentage yield of ethanol is 15%
(Mr of C2H5OH = 45)

Answers

Theoretical yield =0.15 g

% yield = 15%

reaction

C6H12O6 → 2C2H5OH + 2CO2

from above reaction, we get to know that,

1 mole of glucose → 2 mole ethanol

for 4 mole of glucose → 8 mole of ethanol

\frac{55.2}{8(46)} = yield of ethanol

yield of ethanol = 0.15g

% yield = (experimental/theoretical )*100

% yield of ethanol = 0.15 x 100 =15%

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A gaseous hydrogen is stored at 500 Bar and 25 oC in a composite storage with an internal volume of 220 liters. Determine the mass of the hydrogen in the tank. Use a compressibility factor Z

Answers

The mass of the hydrogen gas in tank, given the data is 6.17 Kg

Data obtained from the questionPressure (P) = 500 Bar = 500 × 0.986923 = 493.4615 atmTemperature (T) = 25 °C = 25 + 273 = 298 K Volume (V) = 220 L Gas constant (R) = 0.0821 atm.L/Kmol Compressibility factor (z) = 1.45Molar mass of hydrogen gas = 2.016 g/molMass of hydrogen gas (m) =?

How to determine the mass

PV = znRT

Divid both sides by zRT

n = PV / zRT

but

mole (n) = mass (m) / molar mass (M)

Thus,

m / M = PV / zRT

m = MPV / zRT

m = (2.016 × 493.4615 × 220) / (1.45 × 0.0821 × 298)

m = 6169 g

Divide by 1000 to express in Kg

m = 6169 / 1000

m = 6.17 Kg

Complete question

A gaseous hydrogen stored at 500 Bar and 25°C in a composite storage with an internal volume of 220 liters. Determine the mass of the hydrogen in the tank. Use a compressibility factor Z = 1.45

3.06 kg

6.17 kg.

13.0 kg

5.05 kg

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Which of the following reactions depicts a synthesis reaction?

Answers

Answer:

C combination reaction (synthesis) reaction

Explanation:

two chemicals are combined

Other Questions
Identify the correct definition of economy. Click or tap a choice to answer the question. an exchange of goods and services one for the other a practice in which a nation-state extends power beyond its own borders over an extended period of time to secure access to certain commodities in other regions a system of financial transactions within a country a cultural adaptation that enables a group of humans to use land, resources, and labor to satisfy their needs John Reynolds established a $500,000 trust, the income from which is to be paid to Mansfield University for general operating purposes. The present value of the income is estimated at $500,000. The Wyndham National Bank was appointed by Reynolds as trustee of the fund. What journal entry is required in Mansfield's books pls i need to pass this class i wna graduate 2015-{20155(x-5)5}=2014 Read the sentence.The exquisite old painting hanging slightly crookedover the mantelpiece commanded our attention.Which part of the sentence is a prepositional phrase?exquisite old paintinghanging slightly crookedO over the mantelpiececommanded our attention A __________ is formed when vertical incision by a stream is the primary process, with relatively minimal mass wasting. What is the founder effect?A(when an individual is lonelyB(When individuals join a population and their genes merge into the pool.C) When individuals become isolated from thelarger populations and the gene pool differsfrom the original population over time Select the correct answer.Rewrite the following equation as a function of x.680x+10y - 1000 = 0OA. f(x) = 100 - 68x B. f(x) = 10 + z zx168OC. f(x) = 100 - 368 Understanding idioms relies on the reader's knowledge of the literal denotation of the words,not their connotation.True or false ?FalseTrue Based on his address to the Joint Session of Congress and your understanding of the historical context surrounding the speech, which of the following principles is the most important to Truman's foreign policy philosophy? a + b + ab = 7b + c + bc = 21a + c + ac = 28 ab + bc + ac = ? According to this passage, which factors have a negative impact on self-esteem? check all that apply. being bullied support from parents being told that one is not clever encouragement from parents relationship with significant others What is the simplified form of this expression? 3x + (8x 16) Which best describes two ways in which hydrogen is involved in photosynthesis?O1-Hydrogen is stored in leaves of plants.2-Hydrogen combines with carbon dioxide to make glucose.O1-Hydrogen is stored in leaves of plants.2- Hydrogen combines with oxygen to make water.O 1-Hydrogen enters plants as a component of water.2-Hydrogen combines with carbon dioxide to make glucose.O1-Hydrogen enters plants as a component of water.2- Hydrogen combines with oxygen to make carbon dioxide. Suppose a jar contains 12 red marbles and 12 blue marbles. If you reach in the jar and pull out 2 marbles at random, find the probability that both are red the answer choices is A. x B. z C. w D.y pls help me, I greatly appreciate all the help I'm getting Giving my all points away! What is the Value of log5512, when log 2 = 0.3010 and log 3 = 0.4771? please helpCarefully reread the text you have chosen, and look for 50100 words that stand out in the prose passage. Highlight or underline details, words, and phrases that you find powerful, moving, or interesting.2. On another sheet of paper, make a list of the details, words and phrases you underlined, keeping them in the order that you found them. Skip a line between the words so that they are easy to work with.3. Look back over your list and cut out everything that is dull, or unnecessary, or that just doesnt seem right for the poem. Try to cut your original list in half, so that you have 2550 words.4. Make any minor changes necessary to create your poem. You can change punctuation and make little changes to the words to make them fit together (such as change the tenses, possessives, plurals, and capitalizations).5. When youre close to an edited-down version, if you absolutely need to add a word or two to make the poem flow more smoothly, to make sense, or to make a point, you may add up to two words of your own. Thats two (2) and only two!6. Read back over your edited draft one more time and make any deletions or minor changes.7. Check your words, and choose a title is there a better title than Found Poem?8. Copy the words and phrases into your journal or type them in a word processing program. Space or arrange the words so that they are poem - like. Pay attention to line breaks, layout, and other elements that will emphasize important words or significant ideas in the poem. PLEASE HELP AND SHOW WORK PLEASE.How is this a no solution answer? I came out with the answer x < -2 and x 55 - x > 7 and 2x + 3 13 Point T is located at (6, 2) and point S is located at (1, 13). What are the coordinates of the point that is `\frac{4}{5}` of the way from T to S?