Estimate the change in the thermal energy of water in a pond with a mass of 1,000 kg and a specific heat of 4,200 j/(kg•°C) if the water cools by 1°C.

It takes 945.kj/mol to break a nitrogen-nitrogen triple bond. calculate the maximum wavelength of light for which a nitrogen-nitrogen triple bond could be broken by absorbing a single photon.

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution? a. 3.88 m, b. 1.03 m, c. 1.5 m, d. 15.5 m

Analyze how limestone is weathered and identify the features that are formed as a result of this dissolution