Answer:
Explanation:
it is very important because with out it we will die
Answer:
There are 0,89 moles of nitrous oxide gas in the balloon.
Explanation:
We apply the formula of the ideal gases, we clear n (number of moles); we use the ideal gas constant R = 0.082 l atm / K mol:
PV= nRT ---> n= PV/RT
n= 1,09 atm x 20,0 L /0.082 l atm / K mol x 298 K
<em>n= 0,89212637 mol</em>
Answer:
I think its the last one
Explanation:
its supposed to be H 2 O 2.
Answer 19.9g. I’ve took the test last week at my uncle randy’s house