Awave with a frequency of 14 hertz has a wavelength of 3 meters. at what speed will this wave travel?

11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg

Acrystal that absorvd water from air is (blank)a. aqueousb. homogenousc. hygroscopicd. efflorescent

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.