A sample of a hydrated compound has a mass of 5.1 g. During heating, it loses 1.1 g, leaving 4.0 g. What is the percentage by mass of water in the original hydrate?

6.11%

21.6%

27.5%

78.4%

Unlike the methods of early scientists, how did Sir Francis Bacon believe basic laws of science should be determined? A. by using inductive reasoning based on empirical evidence B. by using inductive reasoning based on a few basic truths C.

According to Enid Schildkrout the body may have been the first artistic canvas 0 True O False

Which two particles each have a mass approximately equal to one atomic mass

What is a network solid

What object transforms electrical energy into chemical energy? Group of answer choices An electric fan A television A battery operated remote controlled car A battery charger for rechargeable batteries

If an element has 1 valence electrons, how many dots will be in the elements dot diagram?

What is the temperature of a gas at STP?

What is the numerical meaning of centimeter

You run an experiment to test the effects of temperature on solubility. What would you heat? A.) solvent B.) solute C.) the room B.) the beaker

What happens when a firework is ignited?