Question
In: Chemistry
Platinum has a specific heat of 0.133 J/gK. If 250.0 g of platinum at 1000.0°C is...
Platinum has a specific heat of 0.133 J/gK. If 250.0 g of
platinum at 1000.0°C is dropped into 115mL of water
at 20.0 °C, will the water boil?
Solutions
queen_honey_blossom answered 1 year agoRelated Solutions
Specific heat of ice: 2.09 J/(g⋅∘C Specific heat of liquid water: 4.18 J/(g⋅∘C) Enthalpy of fusion:...
Specific heat of ice: 2.09 J/(g⋅∘C
Specific heat of liquid water: 4.18 J/(g⋅∘C)
Enthalpy of fusion: ΔHfus=334J
Enthalpy of vaporization: ΔHvap=2250 J/g
How much heat energy, in kilojoules, is required to convert
47.0 g of ice at −−18.0 ∘C∘C to water at 25.0 ∘C?
Given that the specific heat capacities of ice and steam are 2.06 J/g°C and 2.03 J/g°C,...
Given that the specific heat capacities of ice and steam are
2.06 J/g°C and 2.03 J/g°C, the molar heats of fusion and
vaporization for water are 6.02 kJ/mol and 40.6 kJ/mol,
respectively, and the specific heat capacity of water is 4.18
J/g°C, calculate the total quantity of heat evolved when 20.4 g of
steam at 162°C is condensed, cooled, and frozen to ice at
-50.°C.
Given that the specific heat capacities of ice and steam are 2.06 J/g°C and 2.03 J/g°C,...
Given that the specific heat capacities of ice and steam are
2.06 J/g°C and 2.03 J/g°C, the molar heats of fusion and
vaporization for water are 6.02 kJ/mol and 40.6 kJ/mol,
respectively, and the specific heat capacity of water is 4.18
J/g°C, calculate the total quantity of heat evolved when 13.2 g of
steam at 192°C is condensed, cooled, and frozen to ice at
-50.°C.
Given that the specific heat capacities of ice and steam are 2.06 J/g°C and 2.03 J/g°C,...
Given that the specific heat capacities of ice and steam are
2.06 J/g°C and 2.03 J/g°C, the molar heats of fusion and
vaporization for water are 6.02 kJ/mol and 40.6 kJ/mol,
respectively, and the specific heat capacity of water is 4.18
J/g°C, calculate the total quantity of heat evolved when 27.1 g of
steam at 216°C is condensed, cooled, and frozen to ice at
-50.°C.
______KJ
Please show the steps
1. Specific heat of water is 4.184 J/g ˚C. What is the heat in KJ gained...
1. Specific heat of water is 4.184 J/g ˚C. What is the heat in
KJ gained when 20 q of water is heated from 22˚C to 77˚C?
2. What is the heat in J to melt 100g of NaCl when the HF for
NaCl is 518 J/g?
3. What is the heat in J to equate 50 g Acetic Acid when the HE
= 390 J/g?
A 5.00 g sample of aluminum (specific heat capacity = 0.89 J °C-1 g-1) and a...
A 5.00 g sample of aluminum (specific heat capacity = 0.89 J
°C-1 g-1) and a
10.00 g sample of iron (specific heat capacity = 0.45 J °C-1 g-1)
are heated to
100.0 °C. The mixture of hot iron and aluminum is then dropped into
91.9 g of
water at 23.7 °C.
i) State the conditions for phase equilibrium of this system.
NOTE: For an isolated system, the equilibrium state corresponds
to the state with maximum entropy.
1. A 5.88 kg piece of granite with a specific heat of 0.803 J g-1 °C-1...
1. A 5.88 kg piece of granite with a specific heat of 0.803 J
g-1 °C-1 and a temperature of 85.1 °C is
placed into 2.00 L of water at 19.0 °C. When the granite and water
come to the same temperature, what will the temperature be?
2. The combustion of methane (the chief component of natural
gas) follows the equation:
CH4(g) + 2O2(g) →
CO2(g) + 2H2O(g)
∆H° for this reaction is -802.3 kJ. How many grams of methane...
The value of specific heat for copper is 390 J/kg⋅C∘, for aluminun is 900 J/kg⋅C∘, and...
The value of specific heat for copper is 390 J/kg⋅C∘, for
aluminun is 900 J/kg⋅C∘, and for water is 4186 J/kg⋅C∘. What will
be the equilibrium temperature when a 225 g block of copper at 245
∘C is placed in a 155 g aluminum calorimeter cup containing 835 g
of water at 14.0 ∘C ? Express your answer using three significant
figures.
The value of specific heat for copper is 390 J/kg⋅C∘, for aluminun is 900 J/kg⋅C∘, and...
The value of specific heat for copper is 390 J/kg⋅C∘, for
aluminun is 900 J/kg⋅C∘, and for water is 4186 J/kg⋅C∘.
Part A
What will be the equilibrium temperature when a 275 g block of
copper at 245 ∘C is placed in a 135 g aluminum calorimeter cup
containing 855 g of water at 15.0 ∘C?
Express your answer using three significant figures.'
T= ∘C
Take the heat capacity of ice as 2.108 J/(g*C) and the heat capacity of water as...
Take the heat capacity of ice as 2.108 J/(g*C) and the heat
capacity of water as 4.184 J/(g*C) for this problem. For water,
DHfus = 6.001 kJ/mol at 0 C.
a. A 10.0 gram ice cube at -10.0 C is placed into 45.0 mL of
water at 40 C. Determine the final physical state and temperature
of the result. Calculate DS for the ice cube and the surrounding
water, and
Use the value DStot to explain why this process is...
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