Water that freezes demonstrates which scientific process? A. chemical reaction B. increase in amount of matter C. phase change D. formation of new substance.

Benadryl is used to treat itchy skin in dogs. The recommended dosage is 1 mg per pound. What mass of Benadryl, in milligrams, should be given to a dog that weighs 29.5 kg? mass of Benadryl: ___ mg.

If δh°rxn and δs°rxn are both positive values, what drives the spontaneous (favored) reaction and in what direction at standard conditions?

11. What measurement best describes the results of a scientific experiment regarding distance? A. 57 miles B. 523 inches C. 500 kilograms D. 51 kilometers

In a balanced equation, coefficients always represent a the ratio of volumes of substances b the volume ratios of reactants and products c the mole ratios of reactants and products d the number of atoms present

Which of the following represents six molecules of water? A. H6O B. 6H2O1 C. 6HO2 D. 6H2O

Which of the following has the greatest first ionization engergy li, be, b or c

If we know that 10.0 cm3 of ice has a mass of 9.19 g what is the density of ice

1. The is the particle in the nucleus of the atom that carries a positive charge and is counted to identify the atomic number. What's the answer

How many grams are there in 5.00 moles of lead Pb?

A large body in space that orbits a star and does not produce light of its own