Answer:
I'm thinking Henri's wave and Geri's wave have the same amplitude and energy, but i'm not %100 sure
Explanation:
Molarity= moles/liter, so you would need 3mol KBr/1 liter
(0.3M)(1L)= 0.3mol KBr
B. carbon because it's atomic number is 6
Answer:
It is either the third or fourth statement.
Explanation:
This is because exothermic reactions give off heat.
A. true
b. false
c. true
d. false
e. false