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3 years ago

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What is the molar mass of a substance

1 answer:

Mazyrski [523]3 years ago

3 0

Answer:

So the molar mass of a chemical compound is defined as the mass of a sample of that compound is divided by the amount of the substance in that sample measured in the moles.

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Please help thank you

maxonik [38]

Answer:

$K=1.7x10^{-3}$

Explanation:

Hello there!

In this case, according to the given information, it turns out possible for us to solve this problem by firstly setting up the equilibrium expression for the given reaction, in agreement to the law of mass action:

$K=\frac{[NO]^2}{[N_2][O_2]}$

Next, we plug in the given concentrations on the data table to obtain:

$K=\frac{(0.034)^2}{(0.69)(0.98)}\\\\K=1.7x10^{-3}$

Regards!

5 0

2 years ago

The density of lead is 11.3 g/cm. What is the mass of a cube of lead with 10.0 cm on each edge? Show work please.

tresset_1 [31]

Mass of the lead cube :

$\boxed{ \boxed{11.3 \: \: kg}}$

4 0

2 years ago

Water bugs walk on water, some razor blades can float on water, and water forms droplets. Are these examples of viscosity, surfa

Anton [14]

C.) Surface Tension, Because water can hold a certain amount of pressure/weight before the object sinks

6 0

3 years ago

What is the smallest to largest of Cell,atom,neutron,and electron

Tema [17]

It should be cell, neutron, atom, and electron. If not then I’m so sorry

4 0

3 years ago

mafiozo [28]

Answer:

you asked: NO LINKS

Which of the following supplies your body with energy?

A chloroplasts

B food

C carbon dioxide

D all of the above

Explanation:

so i gave you: B food

6 0

3 years ago