thermochemistry-worksheet

thermochemistry-worksheet - Thermochemistry Read pg. 152,...

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Thermochemistry Read pg. 152, 153. 1. Distinguish between these terms: specific heat capacity, specific heat, heat capacity, molar heat capacity. 2. For yesterday’s lab, find: a) q (the energy released/absorbed), c) the heat capacity of the water, and b) the specific heat (capacity) of the water, d) the molar heat capacity of the water. 3. Try PE 2 (Joules only) on page 153. 4. Can the specific heat capacity of wax be determined from our data? Explain. 5. 5 g of olive oil was heated from 20 ° C to 80 ° C. How much energy was used to heat the oil? 8 9 11 12 14 17 18 19 20 12 3 456 7 10 13 15 16 6. A 3.1 g ring was heated using 10 J. The temperature of the ring rose by 17.9 ° C. Calculate specific heat and heat capacity. Is the ring pure gold? Read “The unusual Thermal Properties of Water” on pg. 154. 7. Try questions 5.15, 5.16, and 5.18 on page 174. Use section 5.3 and 5.4 (pages 154 – 161) to help you complete the questions below. 8. ACROSS 8. The sign of an enthalpy change that is exothermic.
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