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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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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
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Transcribed Image Text: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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