e temperature of an object increases by 43.3 °C when it absorbs 3851 J of heat. Calculate the heat capacity of the object. = e mass of the object is 371 g. Use the table of specific heat values to identify the composition of the object. Substance gold Specific heat (J/(g · °C)) . 0.129 silver 0.240 iron 0.444 aluminum 0.900 The object is composed of 000 О gold. aluminum. silver. iron. J/°

e temperature of an object increases by 43.3 °C when it absorbs 3851 J of heat. Calculate the heat capacity of the object. = e mass of the object is 371 g. Use the table of specific heat values to identify the composition of the object. Substance gold Specific heat (J/(g · °C)) . 0.129 silver 0.240 iron 0.444 aluminum 0.900 The object is composed of 000 О gold. aluminum. silver. iron. J/°

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

A 350.0 g iron pot is heated on a stove for a period of time until it is hot. The stove is turned off and 516 g of cold water (10.0 °C) is added to the pot. When thermal equilibrium is reached, the temperature of the water is 28.4 ° C. What was the initial temperature of the iron pot, assuming heat was exchanged between these two objects and none was lost to the surroundings? (The specific heat capacity of iron is 0.450 J/g °C. The specific heat capacity of water is 4.184 J/g °C) Give only the numerical answer in the box and not units. Give 4 sig figs in your answer. Show the calculations for the problem by writing it on a paper, upload the image file/pdf file in the question for file upload.
A 29.00 g sample of metal alloy is heated to 92.6 °C; then placed in 55.23 g of water in an insulated calorimeter at 21.3 °C. If the final temperature of the system is 43.9 °C, what is the specific heat of the metal alloy? Assume that the calorimeter absorbs a negligible amount of heat.
In the laboratory a student determines the specific heat of a metal.He heats 18.4 grams of platinum to 99.28 °C and then drops it into an insulated cup containing 85.3 grams of water at 23.56 °C. When thermal equilibrium is reached, he measures the final temperature to be 24.10 °C.Assuming that all of the heat is transferred to the water, he calculates the specific heat of platinum to be J/g°C.
A chemist carefully measures the amount of heat needed to raise the temperature of a 0.61 kg sample of a pure substance from 3.0 °C to 24.2 °C. The experiment shows that 32. kJ of heat are needed. What can the chemist report for the specific heat capacity of the substance? Round your answer to 2 significant digits. 1 - 1 ·K x10
specific heat of gold is 0.129J/g C. what is molar heat capacity of gold?
When 6.54 grams of Zn is placed in 500.0 mL of 1.00 M CuSO4(aq) in a coffee cup calorimeter, it reacts completely to displace copper. The temperature of the solution rises from 20.0˚C to 30.4˚C. Assume the coffee cup itself gains no heat and that the solution has the same density (1.00 g/mL) and specific heat (4.184 J/g˚C) as pure water. (a) How much heat does the solution gain during this reaction? (in J)
The temperature of an object increases by 43.5 °C when it absorbs 3829 J of heat. Calculate the heat capacity of the object. C = The mass of the object is 367 g. Use the table of specific heat values to identify the composition of the object. Substance Specific heat (J/(g. °C)) gold 0.129. silver 0.240 iron 0.444 aluminum 0.900 The object is composed of O aluminum. silver. gold. iron. J/°C
A 4.81 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee cup calorimeter. Before placing the sample in the water, the temperature of the salt and water is 23.72°C. After the salt has completely dissolved, the temperature of the solution is 28.54°C. If 3.12 × 10³ J of heat was gained by the solution, what is the total heat for the dissolution reaction of the 4.81 g of salt? How many moles of the unknown salt were used in the reaction ? _______ J?
3. A piece of metal weighing 59.047 g was heated to 100.0 °C and then put it into 100.0 mL of water (initially at 23.7 °C). The metal and water were allowed to come to an equilibrium temperature, determined to be 27.8 °C. Assuming no heat lost to the environment, calculate the specific heat of the metal.
A metal object with mass of 21.4 g is heated to 97.0 °C and then transferred to an insulated container containing 81.7 g of water at 20.5°C. The water temperature rises and the temperature of the metal object falls until they both reach the same final temperature of 23.1 °C. What is the specific heat of this metal object? Assume that all the heat lost by the metal object is absorbed by the water. cal specific heat: