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EleoNora [17]
3 years ago
8

What is the most abundant chemical element in the universe?

Chemistry
1 answer:
Len [333]3 years ago
5 0

hydrogen is the most

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Benzoic acid has Ka =6.5× 10 ?5 , and citric acid has Ka =7.2× 10 ?4. What is the stronger conjugate base?
likoan [24]

Answer: The stronger conjugate base is, Citric acid.

Explanation :

The value of dissociation constant of Benzoic acid is higher than the citric acid. This means that the acid will readily dissociate and stronger will be the acid. Higher the value of dissociation constant of an acid weaker will be its conjugate base and the lower value of dissociation constant of an acid means that the stronger will be its conjugate base.

Therefore, the stronger conjugate base is Citric acid.

4 0
2 years ago
The transfer of energy from objects with higher temperatures to objects with lower temperatures is defined as which of the follo
timofeeve [1]
<span>All matter contain heat energy, and it can be seen anywhere as long as it contains mass and occupies space. Heat energy is another form energy that transfers particles in a substance through kinetic energy. One way to transfer heat from one object to the other is through the difference in temperature between two objects.</span>
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3 years ago
A gas has a temperature of 273.15 K and a pressure of 101.325 kPa. What can be concluded about the gas? It has reached standard
Mandarinka [93]

Explanation:

A gas has a temperature of 273.15 K and a pressure of 101.325 kPa. It can be concluded that this gas has reached standard temperature and pressure.

Standard temperature is zero degree celcius which corresponds to 273.15 degree kelvin.

Standard pressure is 760 mmHg which corresponds to 101.325 kPa.

6 0
2 years ago
The answer ............................:
Oduvanchick [21]
3.22 jk sorry idk hehehe
7 0
3 years ago
What kind of energy can be mainly excited by us/visible light
erica [24]
I'm thinking the answer you are looking for is light energy. With the sunlight there is light energy and heat.

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3 years ago
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