How much energy is needed to change the temperature of 50.0 g of water by 15.0 c?

Put these processes of the water cycle in the correct order, starting at the point where the water is in the lake: 1. water evaporates into the atmosphere 2. rain, snow, or other precipitation falls 3. water collects into larger bodies of water 4. water vapor condenses into liquid water

What is the value of keq for the reaction expressed in scientific notation

Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)