An insulated beaker with negligible mass contains 0.275 kg of water at a temperature of 76.5...

Question

Question

An insulated beaker with negligible mass contains 0.275 kg of water at a temperature of 76.5 ∘C.

Part A

How many kilograms of ice at a temperature of -20.5 ∘C must be dropped in the water so that the final temperature of the system will be 30.0∘C?

Express your answer in kilograms to three significant figures.

m

=

kg

science physics

Answer 1

Answer #1

Answer 2