What is a scientific explanation that can be tested?

If a copper acetate hydrate, Cux (C2H3O2) y zH2O compound is found to contain 31.82% Copper, 59.14% acetate, and the remainder is water. What is the empirical formula of this compound?

A solution of SO2 in water contains 0.00023 g of SO2 per liter of solution. What is the concentration of SO2 in ppm? in ppb?

The mass of the electron is A) about equal to the neutron. B) almost the same as the proton. C) very small compared to the proton. D) very large compared to the neutron.

He noble gases include helium, neon, argon, krypton, xenon, and radon. what property do these elements share? a. they readily form compounds with other elements. b. they were discovered in ancient times. c.

Which one of Newton's Laws fits this statement: More mass means more force needed to accelerate? Newton's First Law Newton's Second Law Newton's Third Law Answer

Calculate the mass of 1.25 moles of Al2 (SO4) 3

which of Nature's erosions message do you think wears down a mountain or part 2 faster when water or ice why

We dissolve 5.00 grams of sugar, C12H22O11, in water to make 1.000 L of solution. What is the concentration of this solution expressed as a molarity?

What mass of carbon monoxide must be burned to produce 175 kj of heat under standard state conditions?

The Wittig reaction involves coupling between a phosphonium ylide and a carbonyl-containing molecule. If a chemist wants to use the Wittig reaction to synthesize 3-methyl-3-hexene, which reactants should be used?