Which of the following is a true?

1. energy can change from one form to another.
2.energy can only change into heat energy.
3.energy cannot be changed from one form to another.
4.energy can be produced by living things.

will give

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

What are the similarities of physical and chemical change ?

An excess of lithium oxide undergoes a synthesis reaction with water to produce lithium hydroxide li2o+h2o→2lioh if 1.05 g of water reacted, what is the theoretical yield of lithium hydroxide? a) 5.83 x 10–2 g lioh b) 1.17 x 10–1 g lioh c) 2.79 x 100 g lioh d) 1.40 x 100 g lioh