Answer:
The fatty acids are mostly saturated.
Explanation:
Why do some experiments blow up?
Answer:
because of chemical reactions
Answer:
gases expand rapidly because their particles move at high speeds in all directions
250 mL of argon gas is held in a flexible vessel shown above. If the pressure changes to 12.0 atm, what is the new volume of
the gas at 20 C?
The new volume of the gas at 20 °C is 205 mL
The correct answer to the question is Option C. 205 mL
From the question given, the following data were obtained:
Initial volume (V₁) = 250 mL
Initial temperature (T₁) = 25 °C = 25 + 273 = 298 K
Initial pressure (P₁) = 10 atm
Final temperature (T₂) = 20 °C = 20 + 273 = 293 K
Final pressure (P₂) = 12 atm
Final volume (V₂) =?The new volume of the gas can be obtained by using the combine gas equation as follow:
[tex] \frac{P_1V_1}{T_1} = \frac{P_2V_2}{T_2} \\ \\ \frac{10 \times 250}{298} = \frac{12 \times V_2}{293} \\ \\ cross \: multiply \\ \\ 298 \times 12 \times V_2 = 10 \times 250 \times 293 \\ \\ divide \: both \: side \: by \: 298 \times 12 \\ \\ V_2 = \frac{10 \times 250 \times 293}{298 \times 12} \\ \\ V_2 = 205 \: mL \\ [/tex]
Therefore, the new volume of gas is 205 mL
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Imagine a basketball filled with liquid water.Would the basketball still hold the same number of molecules? Can you use
22.4 L/mol as the molar volume for liquid water
Answer:
Yes !
Explanation:
The ball will have more molecules.
a basketball filled with liquid water. yes we use 22.4 L/mol as the molar volume for liquid water.
what are the properties of water ?Water is the chemical substance having chemical formula H2O, one molecule of water consist of two hydrogen atoms which are covalently bonded to a single oxygen atom.
The physical property of Water are, it is a colorless and tasteless liquid, have extensive hydrogen bonds resulting in unusual properties in the condensed form.
This also have high melting and boiling points. As compared to other liquids, water has a higher specific heat, thermal conductivity, surface tension, dipole moment, etc.
Water is a great solvent and helps in the transportation of ions and molecules required for metabolism, has high latent heat of vaporization helps in the regulation of body temperature.
It is Amphoteric nature can act as both acid and base means that it is amphoteric in nature, it is Electropositive elements which reduce water to hydrogen molecule and it is the source of hydrogen.
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What is an element? Arrow
Answer:
One arrow is positioned in each box according to Hund's Rule which tells us to maximise the number of unpaired electrons in orbitals of the same subshell, and, to give those electrons the same "spin" (parallel spin).
Explanation:
Shanika is an engineer at an amusement park who is experimenting with changes to the setup for a magnetic roller coaster ride. In one ride, there are two identical roller coaster cars (orange and green) that start on opposite sides of a large magnet located at the center of a station. Shanika wants to get the largest increase in potential energy she can by moving one car one space to the left or the right. Shanika can move the orange car to point A or point B, or she can move the green car to point C or point D. Which movement should she make? Why will that movement result in the largest increase in potential energy? Describe the magnetic force that will act on the roller coaster car she moves. What should I do for the Green cart?
The orientation of the poles of the magnet on the cars and the large
magnet are like poles.
The correct responses are;
First question
Move the orange car from A to B Move the green car from D to CSecond question:
The reason is reducing the distance increases the magnetic field strengthThird question:
It pushes the cars away in the opposite direction.
Fourth question:
Place the green car at point C to get the largest potential energyReasons:
Potential energy is the energy an object has due to its location.
Energy is a product of force and distance, and therefore, if the force,
experienced by the object increase, the potential energy of the object
increases.
The strength of a magnetic field, B, is given by the formula;
[tex]\displaystyle B = \frac{\mu_0 \cdot I}{2 \cdot \pi \cdot d}[/tex]
Where;
B = The magnetic field strength
I = Current
d = The distance from the source of the magnet
μ₀ = The permeability of free space = 4·π × 10⁻⁷ T m/A
Therefore, the strength of the magnet is higher closer to the source.
First question
In a magnet, like poles push each other back, and given that the poles of the magnet adjacent to each other are like poles, to get the largest increase in she should move the cars towards the large magnet.
Move the orange car from A to B Move the green car from D to CSecond question:
The reason why the movement will result in the largest increase in potential energy is because like polls repel each other and the strength of a magnetic field increases closer to the magnet
Third question:
The magnetic force that will act on the roller coaster car moved towards the large magnet, pushes the car in the opposite direction.
Fourth question:
The green cart should be moved from point D to point C to get the largest potential energy
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a. How many protons?
b. How many neutrons?
c. What is the name of this atom?
PLS HELP ILL GIVE BRAINLIEST
life as we know it could not exist without water. All the chemical reactions of life occur in an aqueous solution. Water molecules are polar and are capable of forming hydrogen bonds with other polar or charged molecules. As a result, water has the following properties:
A. H2O molecules are cohesive; they form hydrogen bonds with each other.
B. H2O molecules are adhesive; they form hydrogen bonds with polar surfaces.
C. Water is a liquid at normal physiological (or body) temperatures.
D. Water has a high specific heat.
E. Water has a high heat of vaporization (energy needed to evaporate)
F. Water's greatest density occurs at 4°C
The water has the following properties H2O molecules are adhesive; they form hydrogen bonds with polar surfaces and Water is a liquid at normal physiological (or body) temperatures because of polarization.
What is polarization?The polarization is a property by which a chemical compound shows the dipole into its nature as one element can attract the electron and attends the partial negative charge and other is electron donating and attends the partial positive charge.
In water molecule it have the tendency to accept the electron because of oxygen electronegativity and can form the bond with hydrogen too as hydrogen donates the electron and behaves as adhesive molecule.
Therefore, H2O molecules are adhesive; they form hydrogen bonds with polar surfaces and Water is a liquid at normal physiological (or body) temperatures because of polarization are the properties of water.
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Which is the stereochemical relationship between this pair of molecules?.
Answer:
enantiomers
Explanation:
hope this helps :)
brainliest plzz
What is the missing letter in H,J,K,L,M,N,O,P.? And what is the opposite of HATE.? And what is the opposite of ME.?
Think about it -,-
Answer:
The letter I
Explanation:
H, I, J, K, L, M, N, O, P
Answer:
Ahhhhhhhhhhhhhhh. Me too. I really needed to hear that today.
Explanation:
thanks for that.
For the reaction whose balanced equation is as follows, find how many grams of
zinc phosphate will be produced by the reaction of 5.00 grams of ammonium
phosphate.
3 ZnCla + 2 (NH4)3PO4 → Zn3(PO4)2 + 6 NHACI
Answer:
oxygen
Explanation:
cause thats what we need
Answer please
.............................................................
This is not exactly a answer you can use but this is some information that you can use to find out the answer.
You can usually confirm the charge associate degree particle unremarkably has by the element's position on the periodic table: The alkali metals (the IA elements) lose one negatron to create a ion with a 1+ charge. The alkaline-earth metal metals (IIA elements) lose 2 electrons to create a 2+ ion.
Nonmetals type negative ions (anions). A range 7|chemical element|element|gas} atom should gain 3 electrons to possess an equivalent number of electrons as AN atom of the subsequent gas, neon. Thus, a gas atom can type AN ion with 3 additional electrons than protons and a charge of 3−.
Question 4 of 5
Which characteristic describes the living things in the domain Eukarya?
A. They can be made up of prokaryotic cells.
B. They are made up of eukaryotic cells.
C. They are all multicellular organisms.
D. They are made up of cells that lack a nucleus.
SUBMIT
Answer:
he presence of nucleus which contains genetic material and is enclosed by a nuclear membrane sets them apart from prokaryotic cells. All complex organisms are eukaryotic and they reproduce by mitosis or meiosis. Eukaryotic cells are typically much larger than those of prokaryotes.
Explanation:
Is the following sentence true or false?
The properties of a metal are related to bonds within the metal,
Answer:
True.
Explanation:
In metallic bonds, nuclei of metal atoms line up uniformly and the electrons are delocalized (spread out evenly). Since this allows electrons to move around freely, and electricity is created by the flow of electrons, metals can conduct electricity.
I need helpppp pleaseeee!!
Answer:
Box#:
1:CoS
2:Co2S3
3:CoSO4
4:Co2(SO4)3
5:CoSO3
6:Co2(SO3)3
Explanation:
1:Co(II) is -2 and S is -2, so the charges cancel
2:Co(III) is -3 and is -2, so you cross the charges but do not reduce
3:Co(II) is -2 and SO4 is -2, so the charges cancel
4:Co(III) is -3 and SO4 is -2 so the charges cross but do not reduce
5:Co(II) is -2 and SO3 is -2 so the charges cancel
6:Co(III) is -3 and SO3 is -2 so the charges once again cross
Answer:
Cobalt (II) sulfide → CoS
Cobalt (III) sulfide → Co₂S₃
Cobalt (II) sulfate → CoSO₄
Cobalt (III) sulfate → Co₂(SO₄)₃
Cobalt (II) sulfite → CoSO₃
Cobalt (III) sulfite → Co₂(SO₃)₃
Li+1 is an ion of Lithium with an overall +1 charge. It has 3 protons. How many electrons does it have?
Answer:
2 electrons.
Explanation:
What is the agent that causes frost wedging?
Answer:
Freeze wedging is caused by the repeated freeze-thaw. Frost wedging occurs as the result of 9% expansion of water when it is converted to ice. Cracks filled with water are forced further apart when it freezes.
In the two-substance mixtures you have investigated so far, are there any situations where there is more than one correct answer? Explain.
this is on gizmo i don't understand it
Answer:
yourmom.com
Explanation:
Ask your mom!!!!!!!
What number should be placed in front of Fe to balance this chemical
equation?
_Fe+302>2Fe2O3
A. 8
B. 2
C. 1
D. 4
the answer is B. 2
because there is 2 iron on the right side so you need another two on the left side to balance it out
What is the name of the zone of life on earth ?
a . atmosphere
b . biosphere
c . lithosphere
d . magnetosphere
Answer:
B. Biosphere
Explanation:
(Help me out )
When a single electron returns to the ground state from an excited state, it emits___
1. A continuous spectrum of all wavelengths of light
2. A line spectrum of 2 or more wavelength of light
3. A single, specific wavelength of light
4. No light
Answer:
3) A single specific wavelength
Explanation:
When an electron returns to ground state, it has to emit a single photon.
When a single electron returns to the ground state from an excited state, it emits a single, specific wavelength of light. Therefore, option 3 is correct.
What is wavelength ?The separation between any two points in a wave and those identical points in the following wave cycle. This can be null-to-null, crest-to-crest, trough-to-trough, etc.
A spectrum is the term used to describe the range of wavelengths or frequencies for wave phenomena. The term was originally used to describe the electromagnetic spectrum, but it is now used to describe the sound spectrum and vibration spectrum.
When electromagnetic radiation such as radio waves, light waves, or infrared waves travel across space, they leave behind distinctive patterns. Each wave has a distinct size and form. Wavelength is the separation between peaks.
Thus, option 3 is correct.
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An aqueous solution of nitrous acid hno2 has a ph of 1. 96. The ionization constant of this acid is 5. 0 × 10−4. How much nitrous acid was used to prepare one liter of this solution?.
The number of moles of nitrous acid used to prepare the solution is 0.0021 moles.
pH of the HNO2 solution = 1. 96
Concentration of the HNO2 solution = Antilog(-1.96) = 0.011 M
We have to set up the ICE table as follows;
HNO2(aq) ⇄ H^+(aq) + NO2^-(aq)
I 0.011 0 0
C -x +x +x
E 0.011 - x x x
The dissociation constant of the acid is 5.0 × 10−4
Hence;
5.0 × 10−4 = x^2/ 0.011 - x
5.0 × 10−4(0.011 - x ) = x^2
5.5 × 10^-6 - 5.0 × 10^-4x = x^2
x^2 + 5.0 × 10^-4x - 5.5 × 10^-6 = 0
x= 0.0021 M
The concentration of the acid (H^+) in the solution is 0.0021 M. The number of moles of the acid is obtained from;
0.0021 M × 1 L = 0.0021 moles
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Do distilled water conduct electricity what will happen if we add sugar to it and then salted
Answer:
No, distilled water does not conduct electricity.If we were to add sugar then it will not conduct electricity, but if we were to add salt though it would conduct electricity.Explanation:
what type of intermolecular force causes the dissolution of nacl in water?
Answer:
ion-dipole forces
Explanation:
positive sodium ion will be attracted to the slightly negative oxygen atoms in the water molecule, while the negative chloride ion is attracted to the slightly positive hydrogen atoms.
Help me please
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Angle I in the picture below is the angle of...
Select one:
a. refraction.
b. inversion.
c. reflection.
d. incidence.
Angle I in the picture above is the angle of incidence
The angle I and shown can rightly be called the angle of reflection.
According to the laws of reflection, the incident ray, the reflected ray and the normal all lie on the same plane. This gives us the idea that when two angles lie on the same plane as the normal, it may be a case of reflection.On the basis of what has been said above, the angle I and shown can rightly be called the angle of reflection.Finally, from the image, we can clearly see that angle I is the angle of reflection.
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Convert 1.56x10^30 particles of sodium chloride to grams of sodium chloride
Answer:
I cannot tell yet
Explanation:
I don't take that class yet but ill get back to you
According to coulomb's law, in which ionic compound are the attractive forces the strongest?.
Answer:
A cation with a 2+ charge will make a stronger ionic bond than a cation with a 1+ charge. A larger ion makes a weaker ionic bond because of the greater distance between its electrons and the nucleus of the oppositely charged ion.
a hot air balloon is an example of what type of system ? an open system ? a closed system ? or a isolated system ?
Answer:
Also, hot air balloons are open systems—not closed, but again, the use of helium necessitates that the balloon be closed.
Explanation:
Answer:
open system
Explanation:
PLZ HELP
What are 3 genetic disorders caused by either missing or extra chromosomes? Provide a brief short explanation of what causes the disorder and some potential symptoms.
Answer:
Single-gene disorders, where a mutation affects one gene. Sickle cell anemia is an example.
Chromosomal disorders, where chromosomes (or parts of chromosomes) are missing or changed.
Complex disorders, where there are mutations in two or more genius.
Hope it help^^
Brainliest me pls
How many moles of iron are in 50.0g of iron? How many iron atoms are in 59.0g of iron?
Answer:
[tex]50.0 \div 59.0 = 10[/tex]
right
Which of the following element has more than one valence number. A.gold,b.iron,c.silver,d.aluminum
Answer:
iron
iron has +2 valancy
Answer:
C silver
Explanation:
silver have high quantity load that passes through magnesium towards overload despised everything happens through magnetic century.