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Alchen [17]
3 years ago
15

Please help 30 points please answer all correctly 5 total thank you

Chemistry
1 answer:
german3 years ago
7 0
One
===
The smallest one which is 0.001
A <<<< ====

Two
===
It is honey. That stuff flows at a very slow rate and may even be a solid at room temperature.

Three
=====
The more pressure at the surface, the more KE is required by the molecules to break free.
Third one down <<<<=============answer

Four
===
Gold. Google it. It is one of the three best conductors. The other two are silver and copper.

Five
====
Bauxite. It's awfully hard to refine this stuff. 

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What is the enthalpy of combustion when 1 mol C6H6(g) completely reacts with oxygen? 2C6H6(g) 15O2(g) mc001-1. Jpg 12CO2(g) 6H2O
Andrei [34K]

The enthalpy of combustion of 1 mole of benzene is 3169 kJ/mol .

The first step in answering this question is to obtain the balanced thermochemical equation of the reaction. The thermochemical equation shows the amount of heat lost or gained.

The thermochemical equation for the combustion of benzene is;

2 C6H6(l) + 15 O2(g) → 12 CO2(g) + 6 H2O(g) ΔrH° = -3169 kJ/mol

We can see that 1 mole of benzene releases about 3169 kJ/mol of heat.

Learn more: brainly.com/question/13164491

8 0
2 years ago
The van der waals equation is a modified version of the
vodomira [7]

Answer:

Hullbreine

Explanation:

answer from quiz

6 0
2 years ago
What are genes?
ss7ja [257]

C) the basic unit of inheritance

3 0
3 years ago
A mixture of helium, nitrogen, and oxygen has a total pressure of 752 mm Hg. The
NISA [10]

Answer: The partial pressure of oxygen in the mixture is 321 mm Hg

Explanation:

According to Dalton's law, the total pressure is the sum of individual pressures.

p_{total}=p_{He}+p_{N_2}+p_{O_2}

Given : p_{total} = total pressure of gases = 752 mm Hg

p_{He} = partial pressure of Helium = 234 mm Hg

p_{N_2} = partial pressure of nitrogen = 197 mm Hg

p_{O_2} = partial pressure of oxygen = ?

Putting in the values we get:

752mmHg=234mmHg+197mmHg+p_{O_2}

p_{O_2}=321mmHg

The partial pressure of oxygen in the mixture is 321 mm Hg

5 0
3 years ago
The stability of an atom is determined by the: A strength of its gamma rays B ratio of neutrons to protons C number of electrons
Lyrx [107]

Your correct answer is (B) Ratio of neutrons to protons

Hope this helps! :)


6 0
3 years ago
Read 2 more answers
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