WVGSA Grade 8 Science Practice Questions - West Virginia General Summative Assessment Grade 8 Science Exam

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Equal masses of 80°C hot water and 20°C cold water are mixed together in an insulated container. Assuming no heat is lost to the container or surroundings, what is the final equilibrium temperature of the mixture?

30°C 50°C 60°C 100°C

Correct Answer:

50°C

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