
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Question

Transcribed Image Text:The particular substance whose specific
heat capacity is 0.90564 J/(g.°C) at a temperature of
161.00°C loses 7869.0 cal of heat and attains the
temperature of 82.30°C. What is the mass of this
substance in kilograms? Show dimensional analysis,
include correct sig figs, and express your answer in
scientific notation.
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution
Trending nowThis is a popular solution!
Step by stepSolved in 3 steps with 1 images

Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- A sample of sand initially at 2.24E1 °C absorbs 1.357E3 J of heat. The final temperature of the sand is 6.7E1 °C. What is the mass (in g) of sand in the sample? The heat capacity of sand is 0.84 Jg^{-1} °C^{-1}.arrow_forwardIn a calorimeter, a 75.0 g piece of metal at 98.6 *C is submerged in 100.0 g of water, that is initially at 21.8 *C. When the metal and water reach thermal equilibrium, the temperature is 26.2 *C. What was the heat capacity of the metal (3 sig figs)?arrow_forwardA chemical reaction takes place inside a flask submerged in a water bath. The water bath contains 2.30 kg of water at 35.8 °C. During the reaction 74.9 kJ of heat flows out of the bath and into the flask. Calculate the new temperature of the water bath. You can assume the specific heat capacity of water under these conditions 1 is 4.18 J.g •K`1 ▪ Be sure your answer has the correct number of significant digits.arrow_forward
- A) An iron nail with a mass of 12 gg absorbs 15 J of heat. If the nail was initially at 30 ∘C, what is its final temperature? Express your answer using two significant figures. B) When 47.1 J of heat is added to 13.8 g of a liquid, its temperature rises by 1.74 ∘C. What is the heat capacity of the liquid?arrow_forwardYou are performing an experiment where you place 9.2113 g of Al metal at 205.02 C into a coffee cup calorimeter that contains 98.4 g of water at 25.05 C. The final temperature of the water in the coffee cup is 28.89 C.Calculate the heat (q), in J, gained by the water using the equation, , given cwater= 4.184 J/g°CDo not include units. If you need to express your answer as an exponential number, use this template: 1445 should be typed as 1.445e+003arrow_forwardIT The temperature of a sample of aluminum increased by 24.6 °C when 255 J of heat was applied. Substance Specific heat J/(g lead 0.128 What is the mass of the sample? silver 0.235 copper 0.385 iron 0.449 aluminum 0.903 m =arrow_forward
- Express the quantity in the unit indicated and designate whether this heat is gained or lost by the substance a. The quantity of heat in calories when 162.5 grams of water undergoes a temperature decrease from 45.84 C to 40.00 C. b. The quantity of heat in Kilojoules when 43.5 Kg of chloroform ,CHCl3 has its temperature changed from 16.8 C to 22.3 C ( sp ht of CHCl3 = 0.971 KJ/kg- C)arrow_forwardA series of equal-mass samples of the five materials listed in the table are brought from room temperature to 100. °C. Which sample required the least amount of energy (J) to reach the final temperature? Material Specific heat (J/g•°C) Al (aluminum) 0.903 Pyrex glass 0.75 Fe (iron) 0.449 Pb (lead) 0.128 water; H2O (l) 4.18arrow_forwardHow many grams of an unknown substance, having a specific heat of 1.66 J g ° C, are present if a temperature change of -173.4 K occurs. The heat lost was 35981 J.arrow_forward
- If 391.5 Joules of heat are added to 27.96 grams of a liquid, raising the temperature of the liquid from 29.6°C to 34.0°C, what is the specific heat capacity of the liquid with units of J/g•°C? Report your answer with 3 significant figures.arrow_forwardA 18g sample of a material absorbed 898 calories, raising the temperature of the anitmony from 33 degrees C to its melting point (389 degrees C). Calculate the specific heat (cal/g degrees C) of this material.arrow_forwardHow much heat is given off to the surroundings when 6 g of aluminum reacts according to the following equation? Express your answer correctly rounded to two decimal places.2 Al + Fe2O3 Al2O3 + 2 Fe ΔH°rxn = -849 kJ. kJIf all of the heat generated by the reaction was absorbed by one liter of room temperature water, what would be the highest temperature the water could reach? Express your answer correctly rounded to two decimal places. °CWhile writing this question, I had to take into account that the final temperature reachable in the previous question could not exceed the boiling point of water. Given this information, what is the highest whole number amount of aluminum that could have been used for this question? Enter only a number for your answer. garrow_forward
arrow_back_ios
arrow_forward_ios
Recommended textbooks for you
- ChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage LearningChemistryChemistryISBN:9781259911156Author:Raymond Chang Dr., Jason Overby ProfessorPublisher:McGraw-Hill EducationPrinciples of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage Learning
- Organic ChemistryChemistryISBN:9780078021558Author:Janice Gorzynski Smith Dr.Publisher:McGraw-Hill EducationChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningElementary Principles of Chemical Processes, Bind...ChemistryISBN:9781118431221Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. BullardPublisher:WILEY

Chemistry
Chemistry
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Cengage Learning

Chemistry
Chemistry
ISBN:9781259911156
Author:Raymond Chang Dr., Jason Overby Professor
Publisher:McGraw-Hill Education

Principles of Instrumental Analysis
Chemistry
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Cengage Learning

Organic Chemistry
Chemistry
ISBN:9780078021558
Author:Janice Gorzynski Smith Dr.
Publisher:McGraw-Hill Education

Chemistry: Principles and Reactions
Chemistry
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:Cengage Learning

Elementary Principles of Chemical Processes, Bind...
Chemistry
ISBN:9781118431221
Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:WILEY