Combination of AH AH, and He needed (using Hess s law).
Reaction Equation
AH (kJ/mol)
Reaction | Mg(s) + 2HCl(aq)-MQCI (aq) . H.(g)
Reaction 2. MgO(S) 2HCl(aq)
MgCl(aq) . H.000
(trom row 9)
(from row 9)
-286 (published value)
Reaction 3. H:(9)
0_49) -
H. O(
Sagnes
combustionMg(s) + Vog) - MgO(s)

1.solid

2.carbon dioxide

3.helium

question: ray weighs 100 kilograms, his wrestling partner, bobby, weighs 50 kilograms. if ray moves at 4 m s , how fast will bobby have to run at him to apply an equal amount of kinetic energy?

answer: 8 m/s he needs to run twice as fast to keep up so he has some work to do

explanation:   if the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared.

question answered by

(jacemorris04)

gold is my favorite solid.