CHEM B: U3L4/5 Heat of Combustion Answers:

B

A

D

B

A

C

Step #1: Sorry didn’t get this

Step #2 72500

Step #3 90800

Step #4 491000

Step 5# 622,500

158 Calories

endothermic

How do forces between particles in gases compare to forces in the other states of matter? o a. the forces in gases are stronger than forces in solids but weaker than forces in liquids. o b. the forces in gases are weaker than forces in solids but stronger than forces in liquids. o c. the forces in gases are weaker than forces in solids and liquids. o d. the forces in gases are stronger than forces in solids and liquids. submit

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.