When you put a popcorn kernel in a microwave, the microwave heats up the water. The water then evaporates, and the air wants to escape. There will be so much pressure that the skin/shell of the kernel will break, exposing the corn.
Answer:
the anwser isn't in the choices
Explanation:
H=MC(change of temp.)
M=mass of water=250g
C=specific heat of water = 4.186 j/g
change in temperature is 121-40= 81
H= 250x4.186x81=84766.5J
A) acids because they start with h
A. Sugar... Because the others are mixes of things and combinations. Sugar is pure and on its own.
I hope this helps!
Answer:
i think its C im not so sure
Explanation:
nrjdkfkzhsugogo
