Which one of this is endothermic and which one is exothermic?

CH2+O2 - > CO2+H2O+Energy

CaCo+Energy - > CaCo+CO2

Sea water, a solution composed of a variety of salts dissolved in water. the salt is the

If you dissolve 8.50 g of ca (no3) 2 in 755 ml of distilled water what is the concentration in molarity of the calcium nitrate solution

How can the temperature of a substance remain the same even if th substance is absorbing thermal energy?

What additional volume of 10.0 m hcl would be needed to exhaust the remaining capacity of the buffer after the reaction described in part b? express your answer in milliliters using two significant figures?

How much heat energy in kilojoules will be absorbed or released if 8.93 grams of ammonia is produced

Elements on the periodic table are arranged by increasing?

What is the difference between molecular formula and molecular model

The average kinetic energy of the atoms that make up a substance which is changing from a liquid to a solid is

What might be a scientific question? O A. One that deals with how something happens O B. One that deals with morals and beliefs O C. One that deals with likes and dislikes O D. One that deals with right and wrong

Calculate the energy released in the following fusion reaction. The masses of the isotopes are: 14N (14.00307 amu), 32S (31.97207 amu), 12C (12.00000 amu), and 6Li (6.01512 amu).