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Dima020 [189]
4 years ago
10

A typical phase change diagram is shown below. Which of the numbered arrows represent changes where the kinetic energy of the pa

rticles increases
Chemistry
1 answer:
NikAS [45]4 years ago
7 0
Do you have a diagram?

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A sample of a gas occupies 2.76 L at 303K. What would the volume be if the temperature was increased to 404K? Assume constant
Artist 52 [7]

Answer:

If the temperature was increased to 404 K, its volume would be 3.68 L.

Explanation:

Charles' Law gives a relationship between the volume and the temperature of the gas at constant temperature. This law states that the volume of a given amount of gas held at constant pressure is directly proportional to the temperature.

V\propto T

\dfrac{V_1}{V_2}=\dfrac{T_1}{T_2}

Let

V_1=2.76\ L\\\\T_1=303\ K\\\\T_2=404\ K

Let V_2 is new volume. Using above formula we get :

V_2=\dfrac{V_1T_2}{T_1}\\\\V_2=\dfrac{2.76\times 404}{303}\\\\V_2=3.68\ L

If the temperature was increased to 404 K, its volume would be 3.68 L.

6 0
4 years ago
What properties do molecules have that allow them to cross the bilayer without any help?
IceJOKER [234]
Hydrophobic. Since bilayer has hydrophobic tail as their core region, molecules can pass through the hydrophobic tail if they are also hydrophobic.
3 0
3 years ago
Why is co2 so bad for our bodies and why do we need to remove it? In the context of protons and ions acid/base solution.
dezoksy [38]
Hopefully this is correct and I believe CO2 is bad because the cells in the body need oxygen to then release energy from food efficiently by carrying out aerobic respiration. And a waste product of aerobic respiration is Carbon Dioxide. And Carbon dioxide must be removed from our bodies or it them makes the blood dangerously acidic.


Hope this helps :)
3 0
3 years ago
When alkanes react with chlorine in the presence of ultraviolet light, chlorine atoms substitute for one or more alkane hydrogen
Effectus [21]

Answer:

6

Explanation:

Alkanes undergo substitution reaction so the number of replacement reaction hydrogen is 6

5 0
3 years ago
A when sulfuric acid is added to sirie, hydrager
irga5000 [103]

Sulfuric acid is prepared industrially by means of the response of water with sulfur trioxide which in turn is made by way of a chemical combination of sulfur dioxide and oxygen both by way of the touch system or the chamber system.

                         H2SO4 (l) H2O (g) + SO3 (g).

The reaction is highly exothermic as an enormous amount of heat is liberated.

The usual approach is to dilute the sulfur trioxide in sulphuric acid. This produces oleum. SO3 (g) + H2SO4 → H2S2O7 (1) Oleum can be in addition diluted in water to acquire concentrated sulphuric acid.

An acid catalyst is added to protonate the carbonyl carbon. How does this catalyze the response, robust acid catalysts catalyze the hydrolysis and transesterification of esters which enables the mechanism with a view to boom the electrophilicity of the carbonyl carbon to assist protonate the carbonyl oxygen.

Learn more about sulfuric acid here:-brainly.com/question/11857977

#SPJ9

8 0
2 years ago
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