Which of the following is an example of a want, versus a need? a. food b. insurance c. shelter d. cable tv

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

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

Show how to convert the temperature 84.7° c to kelvin. include all steps and label the final answer