how long in seconds, does it take the coffee maker to heat 0.75 l of water from 21c to 99c, assuming all the heat produced by the heating element goes into the water?

Agas is contained in a thick walled balloon when the pressure changes from 1.21 atm to 2.52 the volume changes from 3.75 l to 1.72 l and the temperature change from 293k to blank k

Which sample at stp has the same number of atoms as 18 liters of ne at stp

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound