How many moles of propane
react when 294 g of CO2 form?

C3H8 +502 3CO2 + 4H₂O

?] mol C3H8

Answers

Answer 1
Starting mass: 294
Mass ratio: 3/5

Related Questions

What is the molar volume of a gas at standard temperature and pressure? 1.0 L2.4 L11.2 L22.4 L

Answers

The molar volume of a gas at standard temperature and pressure is 22.4L

Molar volume of a gas at STP

Because the particles in gases are compressible, they can be driven to enclose one another when subjected to high pressure. As a result, the volume of the gas is smaller and there is less free space. The temperature has an impact on gas volume as well. A gas expands as a result of its molecules moving more quickly when it is heated. The comparison of gas volumes must be done at standard temperature and pressure due to the variation in gas volume caused by variations in pressure and temperature. The definition of standard temperature and pressure (STP) is (273.15K) and 1atm pressure. The volume of one mole of a gas at STP is its molar volume. A mole (6.02 x 10^23 typical particles) of any gas takes up 22.4L at STP.

using ideal gas law:-

PV =nRT

P = 1.00atm

n = 1.00 mol

R = 0.0821 L atm/mol  K

T = 273 K

V = ?

V = nRT/P

V = (1.00 x 0.081 x 273)/1.00

V = 22.4 L

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How do you separate a honey and water solution?

Answers

Answer:

Keep it undisturbed for some time and let it settle down. Then use a separating funnel, to separate them both

Explanation:

Which formula represents the compound commonly known as phosphine with iupac name phosphorus trihydride? ph ph2 ph3 ph4

Answers

C. PH3 represents a compound commonly known as phosphine, whose IUPAC name is phosphorus trihydride.

What type of bond is PH3?

The electronegativity of PH3 found in the Periodic Table of the Period attracts covalent electron pairs and creates covalent bonds. However, because the electrons are not bound, asymmetrical rate distribution occurs. Therefore, PH3 is a polar molecule with a non-polar covalent bond and currently has no polar bond.

What defines a covalent bond?

A covalent bond consists of sharing one or more electron pairs between two atoms. These electrons are attracted to two nuclei at the same time. Covalent bonds are formed when the difference in electronegativity between two atoms is too small for electron transfer to form ions.

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Answer:

C.) ph3

Explanation:

Which compound contains only nonpolar covalent bonds?.

Answers

Answer:

02 or oxygen if im not mistaken

How much energy is required to heat 36. 0 g h2o from a liquid at 65°c to a gas at 115°c? the following physical data may be useful.

Answers

The required energy will be "87752 J".

What is energy?

The definition of energy is "ability to do work," which is the capacity to apply a force that causes an item to move.

Mechanical, heat, chemical, electrical, radiant, nuclear, and sound are the seven types of energy.

The energy will be:

Q1 = 36 × 3.18(100-65)

Q1 = 5267 J

Moles of water = [tex]\frac{36.0}{18}[/tex]

Moles of water = 2

then,

Q2 = 2× 40.7

Q2 = 81.4 KJ

Q2 = 81400 J

Q3 = 36.0 × 2.01(115-100)

Q3 = 1085 J

hence,

Required energy will be= Q1+ Q2+ Q3

Required energy = 5267 + 81400 + 1085

Required energy = 87752 J

hence, 87752 J energy is required to heat 36. 0 g h2o from a liquid at 65°c to gas at 115°c.

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The ideal gas law only approximates the behaviour of real gases. The conditions
under which the ideal gas law is MOST accurate are

Answers

Answer:

I d K

Explanation:

Identify the reaction type for each unrelated, radical reaction as either initiation, propagation, or termination. Reaction A. A chlorine chlorine bond splits into two chlorine radicals. What type of reaction is reaction A

Answers

A is the initial reaction when a chlorine bond splits into two chlorine radicals.

What are radicals?

In chemistry, a radical is an atom, molecule, or ion that has an unpaired valence electron.

The question is based on Radical Chain Reaction. And these reactions have three different phases: Initiation, Propagation and Termination.

Reaction A- Initiation

Reaction B- Termination

Reaction C- propagation

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The chemical formula for a emerald is BeAl2(SiO3)6.
An emerald can be described as

Answers

Emerald  can be described as a transparent, green coloured gem stone made up of mineral beryl together with trace amount of chromium or sometimes vanadium having chemical formula as [tex]Be_3Al_2(SiO_3)_6[/tex] .


What is the significant of Emerald ?

Through time, the emerald has been known as a symbol of truth and love.

In ancient Greece and Rome, emerald was said to be the gemstone of the goddess Venus, purveyor of love and hope.

On the other side of the world, emeralds were revered by the Incas and believed by the Egyptians to be a source of eternal life.

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what is the molarity of the NaOH

Answers

the answer is:

40 g/mole

What is the name of this hydrocarbon?
hexane
O heptane
O octane
O pentane
Mark this and return
H H H H H
|||||
H-C-C-C-C-C-H
|||II
H H H H H
Save and Exit
Next
Submit

Answers

Answer:

alkanes alkens alkenes and a bromatic hydrocarbons

Answer:

[tex]\huge\boxed{\sf Pentane}[/tex]

Explanation:

The given compound has:5 carbonsall single bonds

Prefix for 5 carbons = Pent

Suffix for all single bonds = ane (since the compound is alkane)

So, the name of this hydrocarbon is:

Pentane

[tex]\rule[225]{225}{2}[/tex]

the ability to roll your tongue allele T is dominant to the allele t inability to roll your tongue. if mother is a homozygous tongue roller TT and father tt can't roll his tongue. what possible offspring will they have?​

Answers

Answer:

homozygote

Explanation:

Because tongue-rolling is recessive, the only way a person would be unable to roll his/her tongue would be if s/he were homozygous mutant.

The cutoff frequency for a certain
element is 1.22 x 1015 Hz. What is its
work function in eV?
Hint: 1 eV 1.60 x 10-19 J
[?] eV

Answers

The cutoff frequency for a certain element is 1.22 x 1015 Hz this is its

work function in eV that is Work done = 5.05 eV.

What is supposed through a piece function?

Definition of labor function is the power this is wished for a particle to return back from the indoors of a medium and spoil via the surface —used particularly of the photoelectric and thermionic emission of electrons from metals paintings function.

Work function = hfh= planks constant.f= frequency.W = 6.626 10^-34  1.22* 10^15.W = 8.08  10^-19 / ( 1.6 10^-19)W = 5.05 eV.

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what are the 3 common gases that give off reactions?

Answers

The 3 common gases that give off reactions are Hydrogen sulfide, Carbon monoxide, Nitrogen oxides.

What are off reactions

Off reactions are defined as chemical reactions that occurs when something burns or during combustion of materials which gives off energy.

Some gases that give off reaction are:

Hydrogen sulfideCarbon monoxideNitrogen oxides

Note that these gases are mostly poisonous.

Therefore, the 3 common gases that give off reactions are Hydrogen sulfide, Carbon monoxide, Nitrogen oxides.

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How many moles FeBr3 are required
to generate 275 g NaBr?

2FeBr3 + 3Na₂S → Fe₂S3 +6NaBr

Answers

Answer:

0.893mol

Explanation:

n = m ÷ M

= 275 ÷ (23 + 80)

= 2.67 mol

* now use the Mol ratio *

NaBr : FeBr3

6 : 2

2.67 : x

5.67 = 6x

n( FeBr3 ) = 0.893 mol

A distillation column with a partial reboiler and a total condenser is being used to separate a mixture of benzene, toluene, and 1,2,3-trimethylbenzene. The feed, 40 mol% benzene, 30 mol% toluene, and 30 mol% 1,2,3-trimethylbenzene, enters the column as a saturated vapor. We desire 95% recovery of the toluene in the distillate and 95% of the 1,2,3-trimethylbenzene in the bottoms. The reflux is returned as a saturated liquid, and constant molar overflow can be assumed. The column operates at a pressure of 1 atm. Find the number of equilibrium stages required at total reflux, and the recovery fraction of benzene in the distillate. Solutions of benzene, toluene, and 1,2,3-trimethylbenzene are ideal.

Answers

Answer:

11.8.4 Distillation Columns

Distillation columns present a hazard in that they contain large inventories of flammable boiling liquid, usually under pressure. There are a number of situations which may lead to loss of containment of this liquid.

The conditions of operation of the equipment associated with the distillation column, particularly the reboiler and bottoms pump, are severe, so that failure is more probable.

The reduction of hazard in distillation columns by the limitation of inventory has been discussed above. A distillation column has a large input of heat at the reboiler and a large output at the condenser. If cooling at the condenser is lost, the column may suffer overpressure. It is necessary to protect against this by higher pressure design, relief valves, or HIPS. On the other hand, loss of steam at the reboiler can cause underpressure in the column. On columns operating at or near atmospheric pressure, full vacuum design, vacuum breakers, or inert gas injection is needed for protection. Deposition of flammable materials on packing surfaces has led to many fires on opening of distillation column for maintenance.

Another hazard is overpressure due to heat radiation from fire. Again pressure relief devices are required to provide protection.

The protection of distillation columns is one of the topics treated in detail in codes for pressure relief such as APIRP 521. Likewise, it is one of the principal applications of trip systems.

Another quite different hazard in a distillation column is the ingress of water. The rapid expansion of the water as it flashes to steam can create very damaging overpressures.

i hope someone can help me here please don't answer nonsense​

Answers

Answer:

4560 torr

Explanation:

PV = K

4 x 1.5 = k

k = 6

V = k / p

V = 6 / 1

V = 6

atm to torr = 1 to 760

760 x 6 = 4560

Answer:

4560 Torr

Explanation:

Boyle's Law

[tex]\sf P_1 \cdot V_1=P_2 \cdot V_2[/tex]

where:

[tex]\sf V_1[/tex] = initial volume[tex]\sf V_2[/tex] = final volume[tex]\sf P_1[/tex] = initial pressure[tex]\sf P_2[/tex] = final pressure

Given:

[tex]\sf V_1[/tex] = 4 L[tex]\sf V_2[/tex] = 1 L[tex]\sf P_1[/tex] = 1.5 atm

Substituting the given values into the formula:

[tex]\implies \sf 1.5 \cdot 4=P_2 \cdot 1[/tex]

[tex]\implies \sf P_2=6\:atm[/tex]

To convert atm to Torr, multiply atm by 760:

[tex]\implies \sf P_2=6\cdot 760=4560\:Torr[/tex]

What is the wavelength of an electromagnetic wave that has a frequency of 7.80 * 10 ^ 14 Hz in a vacuum? (The speed of light in a vacuum is 3.00 * 10 ^ 8 m/s.)

A. 1.22 * 10 ^ - 15 * m
B. 3.85 * 10 ^ - 7 * m
C. 2.34 * 10 ^ 23 * m
D. 2.60 * 10 ^ 6 * m​

Answers

Answer:

B.) 3.85 x 10⁻⁷ m

Explanation:

To find the wavelength, you can use the following formula:

wavelength = speed of light / frequency

Since you have been given both the speed of light and frequency, you can plug these values into the equation to find wavelength.

wavelength = speed of light / frequency

wavelength = (3.00 x 10⁸ m/s) / (7.80 x 10¹⁴ Hz)

wavelength = 3.85 x 10⁻⁷ m

What is the independent variable for boiling temperature of water as salt is adddd

Answers

The independent variable is the different amounts of salt that will be added to the water.

What is a variable?

A variable is any characteristic, number, or quantity that can be measured or counted.

The independent variable is the different amounts salt that will be added to the water (what is done by the scientist).

The dependent variable is the boiling temperature of the water (what is being measured).

HYPOTHESIS: If salt is added to water then, the boiling temperature is lowered.

Hence, the independent variable is the different amounts of salt that will be added to the water.

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Newton law of motion

Answers

Answer:

newtons law states that every body in the universe attracts every other body with a force which is directly proportional to the product of their masses and inversely proportional to square of the distance between their centers

Answer:

an object at rest tends to stay at rest

What does it mean when a solution is saturated?
O The container is full.
O No more solute can dissolve in solvent.
O The solute has turned into a solid.
O The solvent has turned into a solid.

Answers

2. No more solute can dissolve in solvent

Answer:

A solution in which the maximum amount of solvent has been dissolved. Any more solute added will sit as crystals on the bottom of the container.

Explanation:

anyone? got an answer​

Answers

Hshshshshjshshshshssgsghsgsgshshshshshshs THE ANSWER IS D

Match the zone to its characteristics.
Horse latitudes
Subpolar low
Doldrums
?
?
?
Heavy precipitation, little
wind
The trade winds and
westerlies originate here
Lies along the polar jet
stream

Answers

The zone and its characteristics include the following:

Subpolar low: Lies along the polar jetstream.Horse latitudes: The trade winds and westerlies originate here.Doldrums: Heavy precipitation, little wind.

What is Horse latitude zone?

This is referred to regions which is located at about 30 degrees north and south of the equator and forms the basis of westerlies.

The other zones such as doldrums are also found at the equator with their respective features and can be seen above. This therefore makes it the most appropriate choice.

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predict the missing component in the nuclear equation

Answers

The answer is C since both charge and mass have to be balanced on both sides of the equation.

You are trying to determine how
many moles of lithium nitrate are in
256 mL of a 0.855 M solution.
How many liters is 256 mL?

Answers

Answer:

0,218 moles

Explanation:

I will first explain how many liters is 256ml, that is 0,256 l.

because the m stands for milli which is a factor of 1000 -> (256 ml / 1000 = 0,256 l)

To calculate the amount of moles you multiply the volume with the concentration. So 0,256l x 0,855M = 0,218 moles.

Answer: 0.256

Explanation:

HELP FAST PLEASE! If a reaction takes place and the theoretical yield is 73 g and the actual yield is 62 g, calculate the percent yield.


Choices:

A. 76%

B. 1.16%

C. 116%

D. 85%

Answers

Answer:

A

Explanation:

I think it's A. There are good answer for A.

Please check the photo! I will award brainliest ONLY FOR PERSON WHO GIVES A LEGITIMATE ANSWER!!! Thank you :)

Answers

From the calculations, the percentage of the mineral left is 6.25%.

What is half life?

The term half life refers to the time that it takes for only half of the number of radioactive isotopes to remain.

From;

N/No = (0.5)^t/t1/2

N = ?

No = ??

t = 2000

t1/2 = 500

N/No =(0.5)^(2000/500)

N/No = 0.0625

Thus the percent left = 0.0625 * 100 = 6.25%

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Which of the following is NOT an example of pseudoscience?
A. Psychics
B. Healing crystals
C. Vaccines
D. Acupuncture

Answers

Answer:

I think its vaccines

Vaccines is the answer

Describe the reasoning behind using phosphorus and boron in conjunction
with one another.

Answers

defective greatest formerly knows sd ghost;

How many moles of electrons are transferred when 2.0 moles of aluminum metal react with excess copper(II) nitrate in aqueous solution to form Al(NO3)3(aq) and Cu(s)

Answers

Moles of electrons:

The moles of electrons that are transferred are 12F

A balanced equation:

2 moles of Aluminium metal react with excess copper(II) nitrate.

[tex]2Al + 3Cu{(NO_3)}_2 \rightarrow 2Al{(NO_3)}_3 +3 Cu[/tex]

Given:

Moles of Aluminium = 2

As Aluminium goes from 0 to +3 oxidation state

[tex]Al \rightarrow Al^{3+} + 3e^-[/tex]

And copper goes from +2 to 0

[tex]Cu^{2+} + 2e^-\rightarrow Cu[/tex]

On balancing the number of electrons we get:

For 1 mole of Al [tex]6e^-[/tex] is required.

Therefore for 2 moles of Al,

Total [tex](2\times6)[/tex]F mole of electrons

Where F= Faraday's constant= 96500 C

So, 12F moles of electrons are transferred.

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9- Which pair of formulae represents two alkanes? (1 mark)
A)CH4 and C8H18
B)C₂H6 and C5H8
C) C3H6 and C5H12
D) C₁0H8 and C4H8​

Answers

Answer:

A) CH4 and C8H18

Explanation:

General Formula for an Alkane = CnH2n+2

This means for every number of Carbon (C) atoms, there are twice as many Hydrogen (H) atoms with an additional two added onto that.

Therefore, if there is one Carbon Atom, and we multiply that by two, and then add an additional two, we get 4 Hydrogen atoms, so CH4, which is our first Formulae

Secondly, if we have eight Carbon Atoms, and we multiple that by two (16), and then add an additional two, we get 18 Hydrogen atoms, so C8H18, which is our second Formulae

The other Formulas do not follow this 'General Formula'
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