What are three examples of how biomass can be used for energy?

If a sample has a mass of 245.8 grams and takes up 94ml of space, what is the density of the sample?

Which of the choices below gives a true example of how a natural resource can be renewed?

Select all of the true statements regarding chemical equilibrium. Select one or more: The concentrations of reactants and products are equal. Reactants are being converted to products and vice versa.

Surfaces that touch food are called A. surface areas. B. temperature danger zones. C. food-contact surfaces. D. high-risk spots.

Which indicator has to be used in order to get an emerald green color at a pH of 9? a) universal indicator b) methyl orange indicator c) thymol blue indicator d) cyanidin

Heat is an exchange of internal energy from one system to another due to A. a temperature difference between the systems. B. one system being gas and the other being solid. C. the systems having the same temperature. D.

Sierra did 500 J of work to move her couch. If she exerts 250 N of force on the couch, how far did she move it? (Work: W = Fd) 0.5 m 2 m 250 m 750 m'

Lead (ii) sulfide (pbs) has a ksp of 3.0 * 10-28. what is the concentration of lead (ii) ions in a saturated solution of pbs? 1.7 * 10-14m 1.5 * 10-14m 3.0 * 10-14m

A 2.17 gm sample barium reacted completely with water what is the equation for the reaction how many milliliters of dry H2 evoled at 21degree celcius and 748mm of Hg?

What does it mean for data to be continuous?