Question

31 -27.4 K.Cal
4) -137 K.J
For the reaction 2H,00 →H,0*ag +OH
the value of AH is
(aq)
1) 114.6 KJ
2) -114.6 KJ
3) 57.3 KJ
4) -57.3 KJ​

Answer 1

Answer:

A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity. We live on a planet called Earth that is part of our solar system.