When the products of a reaction have a lower enthalpy than the reactants:

select all that apply.
1.)the reaction is exothermic.
2.)the reaction is endothermic.
3.)the reactants lost energy.
4.)the change in enthalpy is positive.

1. if you have a gas at 127 degrees c, what is it's absolute temperature (kelvin)? a. 200kb. 300kc. 400kd. 500k2. if you had a gas whose absolute temperature measured 45 k, what is that temperature in celsius? a. -228 cb. -300 cc. 125 cd. 112 c

The ammonia molecule in the diagram has the observed bond orientation because

How can a mixture of salt water be separated into salt and water