Calculate the amount of heat absorbed by 200g of water when a piece of silver metal at 150°C is placed into the water causing the temperature to increase by 4°C. The specific heat constant for water is 4.1870
0 -122000;
0 -3300j
122000j
O 3300j

1) a. water molecule breaks up into hydrogen and oxygen on passing electricity. does this involve breaking intermolecular or intramolecular forces of attraction. explain b. on boiling water changes to water vapor. does this involve breaking intermolecular or intramolecular forces of attraction. explain methanol evaporates faster than water. contrast the intermolecular forces and the vapor pressures of methanol and water?

What mass of ca(oh)2 is needed to make 1250ml of a .75m solution?

Neutral atoms of argon, atomic number 18, have the same number of electrons as each of the following items except: cl- s -2 k+ ca +2 ne