Homework Answers
just #6 Thermochemistry, Part I, Calorimetry, Homework 7 Specific Heat Values: cal; Diamond(0.124), graphite(0.170), ice(0.50), steam(0.48),...
just #6
Thermochemistry, Part I, Calorimetry, Homework 7 Specific Heat Values: cal; Diamond(0.124), graphite(0.170), ice(0.50), steam(0.48), Al(0.215), Fe(0.108); S(0.176); liquidCCIF(0.208), gasCCI;F(0.142), liquidCF4(0.294), gasCF4(0.169), Heat of Fusion values: cal; water(80.0), Al(94.4), Heat of Vaporization values: Car; water(540.0), CC13F(43.10), CF4(32.49), Al(1992) 1. Draw the heating-cooling curve for phenol which has a melting point of 43 ºC and a boiling point of 182°C. 2. Draw the heating-cooling curve for Aluminum which has a melting point of 660 °C and a boiling point of...
Use the following set of information for freon-11, CCF to answer questions 8 and 9. specific...
Use the following set of information for freon-11, CCF to answer questions 8 and 9. specific heat solid: 0.732 Jig K specific heat liquid: 0.8853/gK specific heat gaseous: 0.568 J/gK normal melting point: -110.5°C heat of fusion: 6.89 mol Sa CCIF. vapor 2.3 pressure, torr --78.2 heat of vaporization: 27.8 kJ/mol 19 10 40 210 normal boiling point: 23.8 °C 760 1520 3800 403.5 597 16.9 -59.0 39.0 81 6 9 23.8 44.11 mple of pure Freon-11 initially at -85.0°C...
At 1 atm, how much energy is required to heat 0.0550 kg of ice at -22.0...
At 1 atm, how much energy is required to heat 0.0550 kg of ice at -22.0 °C to steam at 129.0 °C? STRATEGY 1. Calculate the energy needed for each temperature change or phase change individually. A. The energy needed to heat 0.0550 kg of ice from -22.0 C to its melting point. B. The energy needed to melt 0.0550 kg of ice at its melting point C. The energy needed to heat 0.0550 kg of liquid water from the...
The heat of vaporization is 540 cal/g. How many kilocalories are needed to change 5.2 g...
The heat of vaporization is 540 cal/g. How many kilocalories are needed to change 5.2 g of liquid water to steam at 100°C. Treat as exact
5) Show that Q total in cal is needed to change 50 g of 0 ̊C...
5) Show that Q total in cal is needed to change 50 g of 0 ̊C ice to steam at 100 ̊C. (a) Show that Q in cal, Quantity of heat is needed to increase the temperature of 50 g water from 0 ̊C to 100 ̊C. The specific heat capacity for water is 1 cal/g•̊C. (b) Show that Q in cal, Heat of fusion is needed to melt 50 g of 0 ̊C ice. The heat of fusion Lffor...
The specific heat of aluminum is 0.900 J/g*C. How many joules of heat are absorbed by...
The specific heat of aluminum is 0.900 J/g*C. How many joules of heat are absorbed by 15.0 grams of AI if it is heated from 20.0 C to 60.0 C. Please show how to work out.
The specific heat of aluminum is 0.900 j/g* C, how many joules of energy required to...
The specific heat of aluminum is 0.900 j/g* C, how many joules of energy required to raise the temperature of 20.0 g of Al from 10.0°C to 15.0°C ? 79 J 90.0 J 100.0 J 112 J
3. Calculate the heat absorbed by 25.0 g of water needed to raise its temperature from...
3. Calculate the heat absorbed by 25.0 g of water needed to raise its temperature from 20.0°C to 65.0°C. The specific heat of water is 4.18 J/gºC. Show your work Final Answer 4. Aluminum metal has a specific heat of 0.901 J/g C. How much heat is transferred to a 6.75 g piece of aluminum initially at room temperature, 20.0°C, when it is placed into boiling water? The temperature of boiling water is 100°C. Show your work Final Answer 5....
a) how many joules are needed to heat up 325 grams of water from 25.1 degrees c to 43.8 degrees c? how many calories? b)...
a) how many joules are needed to heat up 325 grams of water from 25.1 degrees c to 43.8 degrees c? how many calories? b) how many joules are needed to heat up 325 grams of aluminum from 25.1 degrees c to 89.5 degrees c? how many calories? the c for aluminum is = 0.897 j/g degrees c
3. Calculate the heat absorbed by 25.0 g of water needed to raise its temperature from 20.0°C to 65.0'C. The specif...
3. Calculate the heat absorbed by 25.0 g of water needed to raise its temperature from 20.0°C to 65.0'C. The specific heat of water is 4.18 J/gºC. Show your work Final Answer 4. Aluminum metal has a specific heat of 0.901 J/g C. How much heat is transferred to a 6.75 g piece of aluminum initially at room temperature, 20.0°C, when it is placed into boiling water? The temperature of boiling water is 100°C. Show your work Final Answer 5....
just #6
Thermochemistry, Part I, Calorimetry, Homework 7 Specific Heat Values: cal; Diamond(0.124), graphite(0.170), ice(0.50), steam(0.48), Al(0.215), Fe(0.108); S(0.176); liquidCCIF(0.208), gasCCI;F(0.142), liquidCF4(0.294), gasCF4(0.169), Heat of Fusion values: cal; water(80.0), Al(94.4), Heat of Vaporization values: Car; water(540.0), CC13F(43.10), CF4(32.49), Al(1992) 1. Draw the heating-cooling curve for phenol which has a melting point of 43 ºC and a boiling point of 182°C. 2. Draw the heating-cooling curve for Aluminum which has a melting point of 660 °C and a boiling point of...
Use the following set of information for freon-11, CCF to answer questions 8 and 9. specific heat solid: 0.732 Jig K specific heat liquid: 0.8853/gK specific heat gaseous: 0.568 J/gK normal melting point: -110.5°C heat of fusion: 6.89 mol Sa CCIF. vapor 2.3 pressure, torr --78.2 heat of vaporization: 27.8 kJ/mol 19 10 40 210 normal boiling point: 23.8 °C 760 1520 3800 403.5 597 16.9 -59.0 39.0 81 6 9 23.8 44.11 mple of pure Freon-11 initially at -85.0°C...
At 1 atm, how much energy is required to heat 0.0550 kg of ice at -22.0 °C to steam at 129.0 °C? STRATEGY 1. Calculate the energy needed for each temperature change or phase change individually. A. The energy needed to heat 0.0550 kg of ice from -22.0 C to its melting point. B. The energy needed to melt 0.0550 kg of ice at its melting point C. The energy needed to heat 0.0550 kg of liquid water from the...
3. Calculate the heat absorbed by 25.0 g of water needed to raise its temperature from 20.0°C to 65.0°C. The specific heat of water is 4.18 J/gºC. Show your work Final Answer 4. Aluminum metal has a specific heat of 0.901 J/g C. How much heat is transferred to a 6.75 g piece of aluminum initially at room temperature, 20.0°C, when it is placed into boiling water? The temperature of boiling water is 100°C. Show your work Final Answer 5....
3. Calculate the heat absorbed by 25.0 g of water needed to raise its temperature from 20.0°C to 65.0'C. The specific heat of water is 4.18 J/gºC. Show your work Final Answer 4. Aluminum metal has a specific heat of 0.901 J/g C. How much heat is transferred to a 6.75 g piece of aluminum initially at room temperature, 20.0°C, when it is placed into boiling water? The temperature of boiling water is 100°C. Show your work Final Answer 5....
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