What is the change in enthalpy when 180 g of water vapor condenses at 100oC? (ΔHv = 40.67 kJ/mol) options:

407 kJ

565 kJ

–407 kJ

–565 kJ

Here’s one way to follow the scientific method. place the missing steps in the correct position in the process

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion

The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.