If 832j of energy is required to raise the temperature of a sample of aluminum from 20.0° c to 97.0° c, what mass is the sample of aluminum? (the specific heat of aluminum is 0.90 j/(g × °

Nitrogen (n), phosphorus (p), and potassium (k) are the main nutrients in plant fertilizers. according to an industry convention, the numbers on the label refer to the mass percents of n, p2o5, and k2o, in that order. calculate the n: p: k ratio of a 30: 10: 10 fertilizer in terms of moles of each element, and express it as x: y: 1.0.

Which of these best describes an ionic bond?

The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?