Homework Answers
1) According to the law of conservation of energy, energy can neither be created nor be destroyed. Therefore, if the ice cube gained 1000 J of energy, the soda can mus have lost 1000 J of energy.
An 12 g ice cube at -19?C is put into a Thermos flask containing 100 cm3...
An 12 g ice cube at -19?C is put into a
Thermos flask containing 100 cm3 of water at 20?C. By how much has
the entropy of the cube-water system changed when a final
equilibrium state is reached? The specific heat of ice is 2200 J/kg
K and that of liquid water is 4187 J/kg K. The heat of fusion of
water is 333 × 103 J/kg.
An 12 g ice cube at -19 C is put into a Thermos...
An 13 g ice cube at -18˚C is put into a Thermos flask containing 130 cm3...
An 13 g ice cube at -18˚C is put into a Thermos flask containing 130 cm3 of water at 18˚C. By how much has the entropy of the cube-water system changed when a final equilibrium state is reached? The specific heat of ice is 2200 J/kg K and that of liquid water is 4187 J/kg K. The heat of fusion of water is 333 × 103 J/kg.
An 15 g ice cube at -23˚C is put into a Thermos flask containing 150 cm3...
An 15 g ice cube at -23˚C is put into a Thermos flask containing 150 cm3 of water at 17˚C. By how much has the entropy of the cube-water system changed when a final equilibrium state is reached? The specific heat of ice is 2200 J/kg K and that of liquid water is 4187 J/kg K. The heat of fusion of water is 333 × 103 J/kg. Please show explanation and answer.
An 15 g ice cube at -23˚C is put into a Thermos flask containing 150 cm3...
An 15 g ice cube at -23˚C is put into a Thermos flask containing 150 cm3 of water at 17˚C. By how much has the entropy of the cube-water system changed when a final equilibrium state is reached? The specific heat of ice is 2200 J/kg K and that of liquid water is 4187 J/kg K. The heat of fusion of water is 333 × 103 J/kg. Please give full explanation and the correct answer.
How much energy is required to change a 47 g ice cube from ice at -12...
How much energy is required to change a 47 g ice cube from ice at -12 C to steam at 117°C? The specific heat of ice is 2090 J/kg. C, the splecific heat of water is 4186 J/kg C, the specific heat of stream is 2010 J/kg. C, the heat of fusion is 3.33 x 105 J/kg, and the heat of vaporization is 2.26 x 106 J/kg Answer in units of J
How much energy is required to change a 37 g ice cube from ice at −13◦C...
How much energy is required to change a 37 g ice cube from ice at −13◦C to steam at 113◦C? The specific heat of ice is 2090 J/kg ·◦ C, the specific heat of water is 4186 J/kg ·◦ C, the specific heat of stream is 2010 J/kg ·◦ C, the heat of fusion is 3.33 × 105 J/kg, and the heat of vaporization is 2.26 × 106 J/kg. Answer in units of J.
How much heat is required to change a 50.0 g ice cube from ice at -10.7°C...
How much heat is required to change a 50.0 g ice cube from ice at -10.7°C to water at 62°C? (if necessary, use cice=2090 J/kg°C and csteam= 2010 J/kg°C) How much heat is required to change a 50.0 g ice cube from ice at -10.7°C to steam at 113°C?
How much heat is required to change a 47.4 g ice cube from ice at -11.8°C...
How much heat is required to change a 47.4 g ice cube from ice at -11.8°C to water at 68°C? (if necessary, use cice=2090 J/kg°C and csteam= 2010 J/kg°C) How much heat is required to change a 47.4 g ice cube from ice at -11.8°C to steam at 115°C?
10) How many grams of ice do I need to add to the 356 grams of...
10) How many grams of ice do I need to add to the 356 grams of my soda if I wish to lower the temperature of my soda from 21.8°C to 3.9°C. Assume that the specific heat of the soda is 4.172 J/g⋅C°. The specific heat of water is 4.184 J/g⋅C°. The heat capacity of the glass is 56.4 J/C°. The molar enthalpy of fusion (melting) of ice is 6.018 kJ/mol.
A 200 g ice cube at -20 degrees Celsius is placed in 1.00 kg of water...
A 200 g ice cube at -20 degrees Celsius is placed in 1.00 kg of water at 25 degrees Celsius in a 50 g aluminum calorimeter also at 25 degrees Celsius. A. How much heat does the ice cube absorb as it reaches its melting point? B. How much heat does the ice cube absorb as it melts? C. What is the final tempreature pf the mixture? D. How much heat does the water in the calorimeter lose as it...
An 12 g ice cube at -19?C is put into a
Thermos flask containing 100 cm3 of water at 20?C. By how much has
the entropy of the cube-water system changed when a final
equilibrium state is reached? The specific heat of ice is 2200 J/kg
K and that of liquid water is 4187 J/kg K. The heat of fusion of
water is 333 × 103 J/kg.
An 12 g ice cube at -19 C is put into a Thermos...
How much energy is required to change a 47 g ice cube from ice at -12 C to steam at 117°C? The specific heat of ice is 2090 J/kg. C, the splecific heat of water is 4186 J/kg C, the specific heat of stream is 2010 J/kg. C, the heat of fusion is 3.33 x 105 J/kg, and the heat of vaporization is 2.26 x 106 J/kg Answer in units of J
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