What is the major current use of solar thermal energy? a. to grow crops for biomass b. to provide heat and hot water for houses c. to collect heat from earth’s igneous rocks d. to power wind farms

An observation that requires measurement is called quantitative observable or qualitative

Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.

If 22.5 of nitrogen at 748 mm hg are compressed to 725 mm hg at constant temperature. what is the new volume?