Multiple Choice
Which amount of energy is required to raise the temperature of one gram of water by one degree Celsius?
8. Thermochemistry
Heat Capacity
Back8. Thermochemistry
Heat Capacity
- Multiple ChoiceWhich of the following helps most to explain why water has a high specific heat?
- Multiple ChoiceHow much energy (in kJ) is required to convert 70.6 g of ice at 0.00°C to liquid water at 75.0°C? (Given: specific heat of ice = 2.09 J/g·°C, specific heat of water = 4.18 J/g·°C, enthalpy of fusion for ice = 334 J/g)
- Multiple ChoiceIf 0.145 J of heat causes a temperature change of 0.475 °C in a substance, what is the heat capacity of the substance?
- Multiple ChoiceHow much heat, in kJ, is required to warm 1.59 L of water from 23.7 °C to 79.5 °C? The specific heat of water is 4.184 J/g°C. Assume a density of 1.00 g/mL for water.
- Multiple ChoiceDuring which phase change will 2 grams of water release 668 joules of heat energy?
- Multiple ChoiceApproximately how much heat energy is required to raise the temperature of 1 kg of water by 1 K?
- Multiple ChoiceIf 36.5 kJ of heat is added to 275 g of water, by how many degrees Celsius will the temperature of the water increase? (Assume the specific heat capacity of water is 4.18 J/g·°C.)
- Multiple ChoiceWhich of the following substances is most likely to heat up the fastest when the same amount of heat is applied to each?
- Open Question
If 14.5 kJ of heat were added to 485 g of liquid water, how much would its temperature increase?
- Multiple ChoiceWhat is the amount of heat released when 35.0 g of H_2O freezes at 0^ext{o}C? (The enthalpy of fusion for water is 334 J/g.)
- Multiple ChoiceWhy is water's high specific heat capacity important in natural and biological systems?
- Multiple ChoiceWhich of the following is closest to the molar heat capacity (at constant pressure) of liquid water?
- Multiple Choice
50.00 g of heated metal ore is placed into an insulated beaker containing 822.5 g of water. Once the metal heats up the final temperature of the water is 32.08 ºC. If the metal gains 14.55 kJ of energy, what is the initial temperature of the water?
13views - Multiple ChoiceA 815-g metal ball absorbs 5.750 kJ of thermal energy. If the specific heat capacity of the metal is 0.292 J/(g °C) and the final temperature of the metal ball is 76.5 °C, what is the initial temperature in °C?