Question

When water at 0°C freezes to form ice at the same
emperature of 0°C, then it:
a) Absorbs some heat
b) Releases some heat
c) Neither absorbs nor release s heat
d) Absorbs exactly 3.34 x 105J/kg of heat
(a) When heat is constantly supplied by a burner to boiling water, then
the temperature of water during vaporisation Rises very slowly
(b) Rises rapidly until steam is produced
(c) First rises and then becomes constant
(d) Does not rise at all​

Answer 1

Answer:

for first one answer is

1) absorbs some heat

for second question answer is

2) rises rapidly and then becomes constant