Homework Answers
Add Answer to:
Questo 3 What is the heat capacity of 0.53 kg of water in /°C? The specific...
How much energy in kJ is required to heat a calorimeter whose heat capacity is 202.0...
How much energy in kJ is required to heat a calorimeter whose heat capacity is 202.0 J/°C from 23.5°C to 60.6°C Question 1 Not yet answered Marked out of 100 Answer: P Flag question Question 2 What is the heat capacity of a calorimeter in J/°C if 2343 J of heat raises its temperature by 4.2 °C? Not yet answered Answer: Marked out of 100 Flag question
The table lists the specific heat capacities of select substances. Substance Specific heat capacity (J/g °C)...
The table lists the specific heat capacities of select substances. Substance Specific heat capacity (J/g °C) lead 0.128 silver 0.235 copper 0.385 iron 0.449 aluminum 0.903 water 4.184 An unknown substance has a mass of 13.3 g. The temperature of the substance increases by 16.7 °C when 52.2 J of heat is added to the substance. What is the most likely identity of the substance? O lead O aluminum iron O copper water O silver
What is the heat capacity of a 20.2-kg block of ice? The specific heat capacity of...
What is the heat capacity of a 20.2-kg block of ice? The specific heat capacity of ice is 2.10 kJ/kg K. kJ/K It takes 880 J to raise the temperature of 350 g of lead from 0°C to 20.0°C. What is the specific heat of lead? kJ/(kg K) A heating coil inside an electric kettle delivers 3.20 kW of electric power to the water in the kettle. How long will it take to raise the temperature of 0.390 kg of...
A 58.4 g sample of iron, which has a specific heat capacity of 0.449gc is put...
A 58.4 g sample of iron, which has a specific heat capacity of 0.449gc is put into a calorimeter (see sketch at right) that contains 200.0 g of water. The temperature of the water starts off at 18.0 °C when the temperature of the water stops changing it's 20.4 °C The pressure remains constant at 1 atm. insulated conta ner water Calculate the initial temperature of the iron sample. Be sure your answer is rounded to 2sample significant digits. a...
It is a well-known fact that water has a higher specific heat capacity than iron. Now,...
It is a well-known fact that water has a higher specific heat capacity than iron. Now, consider equal masses of water and iron that are initially in thermal equilibrium. The same amount of heat, 30. calories, is added to each. Which statement is true? They are no longer in thermal equilibrium; the iron is warmer. They remain in thermal equilibrium. They are no longer in thermal equilibrium; the water is warmer. It is impossible to say without knowing the exact...
Calculating specific heat capacity A constant-pressure calorimeter is often used to find the specific heat capacity...
Calculating specific heat capacity A constant-pressure calorimeter is often used to find the specific heat capacity of a substance if it is not known. A known mass of the substance can be heated and added to water of known mass and initial temperature. Since the specific heat capacity of water is known ( C s,water =4.184J/(g⋅ ∘ C)) , the amount of heat transferred to the water can be calculated by measuring the final temperature of the mixture at thermal...
It turns out that the specific heat capacity (C) is dependent upon the state of...
It turns out that the specific heat capacity (C) is dependent upon the state of matter. For example, the specific heat capacity of liquid water is 4.18 J/g oC. For solid water (ice), C = 2.03 J/g oC. Which of the following would require a greater absorption of energy by water? Assume no phase changes. a. Raising the temperature of 40 g liquid water by 25oC b. Raising the temperature of a 40 g block of ice...
A sample of metal with a specific heat capacity of kg C kJ 0.50 ×° is...
A sample of metal with a specific heat capacity of kg C kJ 0.50 ×° is heated to 98°C and then placed in an 0.055 kg sample of water at 22°C. When equilibrium is reached, the final temperature is 35°C. What was the mass of the metal? I know the answer is 0.0948 kg I’m just not sure how to solve it
the Specific Heat Capicity of Tungsten is given here. 3. Calculate the temperature change when 32...
the Specific Heat Capicity of Tungsten is given here.
3. Calculate the temperature change when 32 grams of tungsten has 21 Joules of heat added to it. temperature be- in between the initial temperatures of the t and will be the same for the metal and the water.) Table 1. Specific heat capacities of various metals and other substances Specific Heat Capacity, C (J/g.°C) 0.129 0.129 0.132 0.133 Specific Heat Capacity, C (3/goC) 0.421 0.444 0.449 0.450 0.460 0.522 0.757...
Question 4 of 8 > Substance lead Specific heat capacity (J/g °C) 0.128 0.235 0.385 silver...
Question 4 of 8 > Substance lead Specific heat capacity (J/g °C) 0.128 0.235 0.385 silver copper iron 0.449 aluminum 0.903 4.184 water An unknown substance has a mass of 18.9 g. The temperature of the substance increases by 18.3 °C when 81.3 J of heat is added to the substance. What is the most likely identity of the substance? O aluminum silver O water O copper
How much energy in kJ is required to heat a calorimeter whose heat capacity is 202.0 J/°C from 23.5°C to 60.6°C Question 1 Not yet answered Marked out of 100 Answer: P Flag question Question 2 What is the heat capacity of a calorimeter in J/°C if 2343 J of heat raises its temperature by 4.2 °C? Not yet answered Answer: Marked out of 100 Flag question
The table lists the specific heat capacities of select substances. Substance Specific heat capacity (J/g °C) lead 0.128 silver 0.235 copper 0.385 iron 0.449 aluminum 0.903 water 4.184 An unknown substance has a mass of 13.3 g. The temperature of the substance increases by 16.7 °C when 52.2 J of heat is added to the substance. What is the most likely identity of the substance? O lead O aluminum iron O copper water O silver
What is the heat capacity of a 20.2-kg block of ice? The specific heat capacity of ice is 2.10 kJ/kg K. kJ/K It takes 880 J to raise the temperature of 350 g of lead from 0°C to 20.0°C. What is the specific heat of lead? kJ/(kg K) A heating coil inside an electric kettle delivers 3.20 kW of electric power to the water in the kettle. How long will it take to raise the temperature of 0.390 kg of...
A 58.4 g sample of iron, which has a specific heat capacity of 0.449gc is put into a calorimeter (see sketch at right) that contains 200.0 g of water. The temperature of the water starts off at 18.0 °C when the temperature of the water stops changing it's 20.4 °C The pressure remains constant at 1 atm. insulated conta ner water Calculate the initial temperature of the iron sample. Be sure your answer is rounded to 2sample significant digits. a...
the Specific Heat Capicity of Tungsten is given here.
3. Calculate the temperature change when 32 grams of tungsten has 21 Joules of heat added to it. temperature be- in between the initial temperatures of the t and will be the same for the metal and the water.) Table 1. Specific heat capacities of various metals and other substances Specific Heat Capacity, C (J/g.°C) 0.129 0.129 0.132 0.133 Specific Heat Capacity, C (3/goC) 0.421 0.444 0.449 0.450 0.460 0.522 0.757...
Question 4 of 8 > Substance lead Specific heat capacity (J/g °C) 0.128 0.235 0.385 silver copper iron 0.449 aluminum 0.903 4.184 water An unknown substance has a mass of 18.9 g. The temperature of the substance increases by 18.3 °C when 81.3 J of heat is added to the substance. What is the most likely identity of the substance? O aluminum silver O water O copper
Most questions answered within 3 hours.
-
A convex spherical mirror, whose focal length has a magnitude of
21.2 cm, is to form...
asked 13 minutes ago -
Although this question has been answered, I need it to be custom
and use ASCII Characters...
asked 22 minutes ago -
Chocuer Company presented the following data at the end of
2016:
Current liabilities
$ 300,000
Long-term...
asked 29 minutes ago -
calculate the number of atoms in 2.87 x10^3g sample of
carbon
asked 34 minutes ago -
On December 31, 2017, Toro Company’s Allowance for Doubtful
Accounts had an unadjusted credit balance of...
asked 43 minutes ago -
The average number of calls received by a switchboard in a
30-minute period is 5 with...
asked 46 minutes ago -
Consider the following snapshot of a
system:
Allocation
P
R1
R2
R3
R4
P1
0
0...
asked 48 minutes ago -
.
NEED ANSWER ASAP / ANSWER NEVER USED BEFORE
Wireless networks make it possible for business...
asked 54 minutes ago -
What are possible impurities in the preparation of NH4BF4?
Prepared with NH4F, boric acid, and H2SO4....
asked 56 minutes ago -
What are the two things that the Light Dependent Reactions
produce that are required for the...
asked 1 hour ago -
At the beginning of the year Great Inc.'s management is
considering making an offer to buy...
asked 1 hour ago -
16)Jimmy is the assistant manager at a leading computer
hardware manufacturing firm. He needs to illustrate...
asked 1 hour ago