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Ray Of Light [21]
3 years ago
13

How many helium atoms are in a mole of helium?

Chemistry
1 answer:
Lesechka [4]3 years ago
7 0

Answer:1 mole of helium gas contains 6.02 x1023 helium atoms

Explanation:I hope this helps

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The catabolic process of converting carbohydrates to CO2 requires ________ of carbon. The catabolic process of converting carboh
mars1129 [50]

Answer:

The catabolic process of converting carbohydrates to CO2 requires<u> oxidation</u> of carbon.

Explanation:

There are multiple definitions of reduction-oxidation. There is one that explains it with respect to oxygen, the other with respect to hydrogen and another with respect to electrons. The relevant one here is the one that explains it in terms of hydrogen. Oxidation is the removal of hydrogen while reduction is the addition of hydrogen. During repiration, the carbon loses the hydrogens attached to it and is therefore oxidized. These hydrogens attach themselves to oxygen which means oxygen is reduced.

4 0
3 years ago
Please help :( due tomorrow
olganol [36]
1. 2650000
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4 0
2 years ago
Nitrogen dioxide is one of the many oxides of nitrogen (often collectively called "NOx") that are of interest to atmospheric che
Helga [31]

Answer:

Partial pressure of dinitrogen tetroxide after equilibrium is reached the second time is 0.82 atm.

Explanation:

2NO_2(g)\rightleftharpoons N_2O_4(g)

Initially

3.0 atm                 0

At equilibrium

(3.0-2p)                 p

Equilibrium partial pressure of NO_2=2.1atm=3.0-2p

p = 0.45 atm

The value of equilibrium constant wil be given by :

K_p=\frac{p_{N_2O_4}}{(p_{NO_2})^2}=\frac{p}{(3.0-2p)^2}

K_p=\frac{0.45}{(2.1)^2}=0.10

After addition of 1.5 atm of nitrogen dioxide gas equilibrium reestablishes it self :

2NO_2(g)\rightleftharpoons N_2O_4(g)

After adding 1.5 atm of NO_2:

(2.1+1.5) atm                0.45 atm

At second equilibrium:'

(3.6-2P)                     (0.45+P)

The expression of equilibrium can be written as:

K_p=\frac{p'_{N_2O_4}}{(p'_{NO_2})^2}

0.10=\frac{(0.45+P)}{(3.6-2P)^2}

Solving for P:

P = 0.37 atm

Partial pressure of dinitrogen tetroxide after equilibrium is reached the second time:

= (0.45+P) atm = (0.45 + 0.37 )atm = 0.82 atm

Partial pressure of dinitrogen tetroxide after equilibrium is reached the second time is 0.82 atm.

5 0
3 years ago
Matter that has a definite volume but no definite shape is a
zysi [14]
Matter that has a definite volume but no definite shape is a liquid.
4 0
3 years ago
Read 2 more answers
How many orbital blocks are represented in this<br> periodic table?
marissa [1.9K]

Answer:

The answer is 4 on edge

Explanation:

4 0
3 years ago
Read 2 more answers
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