Which best describes the two ways that energy is measured A. In convection and in temperature
B. In temperature and in radiation
C. In radiation and in convection
D. In wavelength and in temperature

Use the standard enthalpies of formation for the reactants and products to solve for the δhrxn for the following reaction. (the δhf of c2h4 is 52.26 kj/mol, co2 is -393.509 kj/mol, and h2o is -241.818 kj.) c2h4 (g) + 3o2(g) 2co2 (g) + 2h2o(g) δhrxn = the reaction is .

Llama have 74 chromosomes how many chromosomes will they be found in their gametes explain how you know

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0