The equation shows the decomposition of hydrogen peroxide. Calculate the overall energy change for the reaction *
2 H-0-0-1-2 H-0-H + O=0
Bond
0-0
0=0
O-H
Bond dissociation
energy in kJ per mole
138
496
463

What is the molecular weight of copper

How many liters of ethylene glycol antifreeze (c2h6o2), with a density of 1.100 g/l, would you add to your car radiator containing 15.0 kg of water if you needed to protect your engine to - 21.5°c? for water, kf = 1.86°c m -1.

Did the detergents containing enzymes work better at removing stains than those containing no enzyme? why or why not?