3. The specific heat of methanol (methyl alcohol or wood alcohol) is 2.5104 J/g C. How many kJ are necessary to raise the temperature of 2.00 Litres of methanol from 14.0 °C to 30.0 °C? The density of methanol is 0.7915 g/mL. (DH M 40 008.lo Jrt0.0 4. A 5.00 gram sample of an unknown metal was placed in a beaker of boiling water (99.58 °C). After five minutes it was immediately transferred from the boiling water to a calorimeter containing 50.0 mL of water at 11.25 °C. The final temperature of the metal- water mixture was 44.10 °C. What is the specific heat of the metal? [qwater + metal 0] 5. What is the molar heat capacity of water? 6. A 1.00 kilogram sample of water at 15.0 °C has 35.0 kJ of energy added to it. What will be the final temperature of the water? 216

Question

Question 3

3. The specific heat of methanol (methyl alcohol or wood alcohol) is 2.5104 J/g C.
How many kJ are necessary to raise the temperature of 2.00 Litres of methanol from
14.0 °C to 30.0 °C? The density of methanol is 0.7915 g/mL.
(DH M
40
008.lo Jrt0.0
4. A 5.00 gram sample of an unknown metal was placed in a beaker of boiling water
(99.58 °C). After five minutes it was immediately transferred from the boiling water to a
calorimeter containing 50.0 mL of water at 11.25 °C. The final temperature of the metal-
water mixture was 44.10 °C. What is the specific heat of the metal? [qwater + metal 0]
5. What is the molar heat capacity of water?
6. A 1.00 kilogram sample of water at 15.0 °C has 35.0 kJ of energy added to it. What
will be the final temperature of the water?
216

Image Transcription

3. The specific heat of methanol (methyl alcohol or wood alcohol) is 2.5104 J/g C. How many kJ are necessary to raise the temperature of 2.00 Litres of methanol from 14.0 °C to 30.0 °C? The density of methanol is 0.7915 g/mL. (DH M 40 008.lo Jrt0.0 4. A 5.00 gram sample of an unknown metal was placed in a beaker of boiling water (99.58 °C). After five minutes it was immediately transferred from the boiling water to a calorimeter containing 50.0 mL of water at 11.25 °C. The final temperature of the metal- water mixture was 44.10 °C. What is the specific heat of the metal? [qwater + metal 0] 5. What is the molar heat capacity of water? 6. A 1.00 kilogram sample of water at 15.0 °C has 35.0 kJ of energy added to it. What will be the final temperature of the water? 216

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