When 7.1 g of salt are dissolved in 53.1 mL of water, 1637.2 J of heat are absorbed by the system. How much heat would be absorbed if only 1.00 g of salt had been dissolved in the water?

A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?

Identify and describe the three ways that mutations affect organisms.

What prefix multiplier is appropriate for reporting a measurement of 5.57 ×10−5 m?