Answer:
-943J or 943J released
Explanation:
m=2.4 mol x 207.g/ mol=497.3g
c=.129 J/gC
T= T f-Ti=(22.5-37.2)=-14.7C
Q=?
Q=(49.3g)(.129 J/g C) (-14.7 C)
= -943 J or 943 J released
Answer:
2 P2 (1.2 atm =157 one. 8. A gas with a volume of 4.0 L
Explanation:
Answer: d=2000 g/L
Explanation:
Density is mass/volume. The units are g/L. Since we are given mass and volume, we can divide them to find density. First, we need to convert kg to g.

Now that we have grams, we can divide to get density.

d=2000g/L
Why wouldn’t that make a difference, hola mi, polo el coron
You can see a physical change always but not always a chemical