STEP 7: IRON Initial temperature of metal = 100 ✓ °C
Initial temperature of water = 22.5 ✓ °C
Final temperature of both = 24.9 ✓ °C

Subtract to find the temperature
changes for the water and the metal.
AT (water) = 2.4 ✓ °C
AT (metal) = 75.1 ✓ °C

The mass has escaped into a gas which you can not see so the law stays true.

There is no reason to think the results are biased or not conducted properly but you should not assume the results are correct just because they were done in a laboratory so the answer would be c. it is likely to be reliable because the results support the conclusion presented.

Answeramino acids;