Abowl of soup with a temperature of 125 degrees fahrenheit is placed in a refrigerator with an interior temperature of 38 degrees fahrenheit. predict how heat will flow.

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?

  the mississippians were considered to be  horticulturalists, which means they were

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?