Potassium reacts with hydrochloride acid it makes potassium chloride and hydrogen write the word equation to show this reaction

If the Kb of a weak base is 4.6 * 10-6, what is the pH of a 0.32 M solution of this base?

When applying heat to a substance changes the form, but not the identity of the substance, this is evidence of: a chemical change a physical change no change an anthropomorphic change

What are uses for the igneous rocks, Granite, Basalt, and Pumice?

A compound of material formed by a chemical is known as?

Suppose you were doing an experiment outside on a sunny day. You find the temperature of some sand in 28 degrees. You also find the temperature of some water is 25 degrees. why would there be a difference between the temperature?

A mass of 78.9 grams of alimnium will react with how many grams of zinc chloride

what is the limiting reactant when 1.50g of lithium and 1.50 g of nitrogen combine to form lithium nitride, a component of advanced batteries, according to the following unbalanced equation?

To test the purity of sodium bicarbonate, you dissolve a 3.50g sample in water and add sulfuric acid. if 1.04g of carbon dioxide forms, what is the percent purity of the sodium bicarbonate?

a ballon is filled with 35.0 f of helum in the moring when the twmoerature is 68 f. by noon the temperature has risen to 13 f. what is the new volume of the baloon

What happens to the mass if the volume is tripled? A: it is also tripled B: it doesnt change C: it is reduced to 1/3