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Trava [24]
3 years ago
5

Which of the 3 variables that apply to equal amounts of gases are directly proportional?

Chemistry
1 answer:
Natasha2012 [34]3 years ago
7 0

I only have two of the variables. I will try to find a third one if you want me to

Temperature and Pressure
Temperature and Volume

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Is methane used as fule<br> gas true or false<br>​
Hitman42 [59]

Answer:

its true methane is used as a fuel gas

Explanation:

4 0
3 years ago
Gaseous ammonia chemically reacts with oxygen O2 gas to produce nitrogen monoxide gas and water vapor. Calculate the moles of ox
WINSTONCH [101]

Answer : The number of moles of oxygen needed are, 1.5 moles.

Explanation :

The balanced chemical reaction will be:

4NH_3+5O_2\rightarrow 4NO+6H_2O

Now we have to calculate the moles of oxygen.

From the balanced chemical reaction we conclude that,

As, 6 moles of water vapor produces from 5 moles of oxygen

So, 1.80 moles of water vapor produces from \frac{5}{6}\times 1.80=1.5 moles of oxygen

Therefore, the number of moles of oxygen needed are, 1.5 moles.

6 0
3 years ago
If the rock has a mass of 250.8 grams, what is its density?
cluponka [151]
To know the density you also need to know the volume of the rock.
4 0
3 years ago
What is produced when a strong acid reacts with the bicarbonate buffer system in the human body?
Norma-Jean [14]
Carbonic acid is produced when a strong acid reacts with the bicarbonate buffer system in the human body.
7 0
3 years ago
Read 2 more answers
Use the information provided to determine ΔH°rxn for the following reaction: ΔH°f (kJ/mol) 3 Fe2O3(s) + CO(g) → 2 Fe3O4(s) + CO2
zepelin [54]

Answer:

ΔH°rxn = -47 kJ

Explanation:

Using Hess´s law for the reaction:

3 Fe2O3(s) + CO(g) → 2 Fe3O4(s) + CO2(g) ,

the ΔH°rxn will be given by the expression:

ΔH°rxn kJ  =   2ΔHºf(Fe3O4)  + ΔHºf(CO2)   - ( 3ΔHºf(Fe2O3) + ΔHºf(CO) )

=  2(-1118) + (-394) - ( 3( -824 ) + ( -111 ) )

= - 47 kJ

3 0
3 years ago
Read 2 more answers
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