Question

A sample of solid gold is heated with an electrical coil. If 23.2 Joules of energy...

A sample of solid gold is heated with an electrical coil. If 23.2 Joules of energy are added to a 10.0 gram sample and the final temperature is 39.0 °C, what is the initial temperature of the gold?

Answer:  °C

Submit Answer

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A    1.6-g sample of a metal that has the appearance of gold requires 5.8J of...
A    1.6-g sample of a metal that has the appearance of gold requires 5.8J of energy to change it’s temperature from 23C to 41 C. Is the metal pure gold? B   If 294J of heat is transferred to a 10.0 g sample of silver at 25⁰C, what is the final temperature of the silver?
Problem 5.54 A 100.0-g bar of gold is heated from 25 ∘C to 50 ∘C during...
Problem 5.54 A 100.0-g bar of gold is heated from 25 ∘C to 50 ∘C during which it absorbs 322 J of heat. Assume the volume of the gold bar remains constant. Part A Based on the data, calculate the specific heat of Au(s). Express your answer to two significant figures and include the appropriate units. Cs = 0.13 J⋅(g⋅∘C)−1 SubmitMy AnswersGive Up All attempts used; correct answer displayed Part B Suppose that the same amount of heat is added...
A 102.5 g sample of metal beads was heated in a water bath to 99.5deg. Celsius....
A 102.5 g sample of metal beads was heated in a water bath to 99.5deg. Celsius. The metal was then added to a sample of water (25.7g) and the temperature of the water changed from an initial temperature of 20.0 deg. Celsius to a final temperature of 41.5 degree Celsius. A) What was the temperature of the metal at equilibrium? B) What was the temperature change of the metal? C) Calculate the specific heat and the atomic mass of the...
1. A piece of a metal (34.9 g) was heated to 95.0 degrees C and then...
1. A piece of a metal (34.9 g) was heated to 95.0 degrees C and then added to 550-g water having an initial temperature of 28.2 degrees C. If the final temperature of the water and the metal is 31.2 degrees C, calculate the specific heat (s) of the metal. Assume not loss of energy to the surroundings! Show work! 2. A -10.0 mL solution of 0.320 M KOH was mixed with 25.0mL of 0.120 M HBr solution. Which one...
A 10.0-g sample of solid NH4Cl is heated in a 5.00-L container to 900.°C. At equilibrium...
A 10.0-g sample of solid NH4Cl is heated in a 5.00-L container to 900.°C. At equilibrium the pressure of NH3(g) is 1.17 atm. NH4Cl(s) <--- ---> NH3(g) + HCl(g) The equilibrium constant, Kp, for the reaction is:
What quantity of energy, in joules, must be removed from a 164-g sample of CH3Cl(g) that...
What quantity of energy, in joules, must be removed from a 164-g sample of CH3Cl(g) that is initially at 24.95°C to its condensation point, -24.09°C and then change the gas to a liquid at that temperature?
a 36.9g sample of metal is heated to 100.0 degrees celcius, and then added to a...
a 36.9g sample of metal is heated to 100.0 degrees celcius, and then added to a calorimeter containing 141.5g of water at 23.1 degrees celcius. the temperature of the water rises to a maxiumum of 25.2 degrees celcius before cooling back down. a) did the water absorb heat or did it release heat? b) how many joules of heat was exchanged between the water and the metal? c) what is the identity of the metal?
A 35.7 gram sample of iron (heat capacity 0.45 g/J°C) was heated to 99.10 °C and...
A 35.7 gram sample of iron (heat capacity 0.45 g/J°C) was heated to 99.10 °C and placed into a coffee cup calorimeter containing 42.92 grams of water initially at 15.15 °C. What will the final temperature of the system be? (Specific heat of water is 4.184 J/g°C). Please show work.
12a. If the price of electrical energy is $0.09 per kilowatt·hour, what is the cost of...
12a. If the price of electrical energy is $0.09 per kilowatt·hour, what is the cost of using electrical energy to heat the water in a swimming pool (12.0 m x 9.00 m x 1.50 m) from 12 to 26 °C? Number Entry field with incorrect answer Units Entry field with correct answer The number of significant digits is set to 3; the tolerance is +/-1 in the 3rd significant digit b, A 0.260-kg piece of aluminum that has a temperature...
In a coffee-cup calorimeter experiment, 10.00 g of a soluble ionic compound was added to the...
In a coffee-cup calorimeter experiment, 10.00 g of a soluble ionic compound was added to the calorimeter containing 75.0 g H2O initially at 23.2°C. The temperature of the water increased to 31.8°C. What was the change in enthalpy for the dissolution of the compound? Give your answer in units of joules per gram of compound. Assume that the specific heat of the solution is the same as that of pure water, 4.18 J ⁄ (g ⋅ °C).