Answer:
1
Explanation:
you needa do the last question cause i am not learning this but 1 is right
The solid state where particles are more compact
Since the mass of a single popcorn kernel is not given, lets us assume that it is 1 gram
Now:
1 mole of popcorn kernels contain
kernels
Since:
1 kernel weighs 1 gram
Then,
kernels would weigh
grams
Answer:
19.5
Explanation: using dalton law pt=p1+p2+p3...
the total pressure is 37.9 so to get pressure of gas b subtract pressure of gas a from total pressure.37.9-18.4 gas b equals 19.5
Ok I may be young but combine the two reactions to create a compund