Describe the observations that might be seen when a metal reacts with an acid?
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Answer:
The first thing we have to do is change and state all the units so that we can use our ideal gas law equation ().
650 mmHg is a pressure unit, we have to convert this to kiloPascals. We know that 760 mmHg gives us 101 kPa.
P = 86kPa
T = 15°C + 273K = 288K
R (Gas constant) = 8.31 kj/mol
Molar mass of Ammonia () = (1 x 3) + (14) = 17g/mol
n (moles) =
3.34 mol
V = ?
Rearrange the equation to solve for Volume:
Substitute the values inside:
V =
<u>Therefore 93 L of volume is occupied by the ammonia gas.</u>
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