A9.84 oz ingot of unknown metal is heated from 73.2 °f to 191.2 °f. this requires 1.91 kcal of energy. calculate the specific heat of metal and determine its identity.

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.