Calculate the amount of heat required to heat a 41 kg sample of ethanol from 15.0 ∘C to 18.0 ∘C . The specific heat capacity of ethanol is 2.42 J/(g⋅∘C) .

How many moles of n2 you have in 476 l sample at stp?

What semimetal can form four single covalent bonds.

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