1. How much heat is required to heat 2 cups of water to make tea (500 grams) from room temperature (23 °C) to hot water (90 °C) ? 1a) What if that water above started off as a chunk of solid ice at 0 °C. How much heat is needed to make the same tea ? 1b) what if it was a chunk of ice at -10 °C ...how much heat would it take ? 1c) If watts = joules/seconds, and problem number #1 takes 2 minutes, how many %3D watts were used ?

1. How much heat is required to heat 2 cups of water to make tea (500 grams) from room temperature (23 °C) to hot water (90 °C) ? 1a) What if that water above started off as a chunk of solid ice at 0 °C. How much heat is needed to make the same tea ? 1b) what if it was a chunk of ice at -10 °C ...how much heat would it take ? 1c) If watts = joules/seconds, and problem number #1 takes 2 minutes, how many %3D watts were used ?

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter5: Temperature And Heat

Section: Chapter Questions

Problem 13P: - (a) Compute the amount of heat needed to raise the temperature of 1 kg of water from its freezing...

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