104 g of an unknown metal is found to absorb 850. J of energy while its temperature increases from 35 °C to 57.0 °C. What is the specific heat of this metal?

Determine the wavelength of the light absorbed when an electron in a hydrogen atom makes a transition from an orbital in the n=3 level to an orbital in the n=7 level.

What must occur for air masses to form fronts

Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m