Basic Chemistry
6th Edition
ISBN: 9780134878119
Author: Timberlake, Karen C. , William
Publisher: Pearson,
expand_more
expand_more
format_list_bulleted
Question
Chapter 3.6, Problem 42PP
Interpretation Introduction
Interpretation: How many Kilocalories are produced in following should be calculated-
- Burning of a cup of popcorn that gives 131 kJ when it is burned in calorimeter
- Burning of a sample of butter which gives 23.4 kJ when it is burned in calorimeter.
Concept Introduction:
- conversion factor used is-
Or,
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Calculate the kilocalories for each of the following: a. one cup of popcorn that produces 131 kJ when burned in a calorimeter.b. a sample of butter that produces 23.4 kJ when burned in a calorimeter.
Natural gas, or methane, is an important fuel. Combustion of
one mole of methane releases 802.3 kilojoules of energy.
How much energy does that represent in kilocalories?
Select one:
a. 3.36 x 10° kcal
b. 1.92 x 10° kcal
c. 1.92 x 10 kcal
3
d. 3.36 x 10 kcal
e. 1.92 x 10¯ kcal
Natural gas, or methane, is an important fuel. Combustion of one mole of methane releases 802.3
kilojoules of energy. How much energy does that represent in kilocalories?
Select one:
a. 1.92 x 10
-1
kcal
b. 1.92 x 10
C. 3.36 x 10 kcal
d. 3.36 x 10 kcal
e. 1.92 x 10 kcal
Chapter 3 Solutions
Basic Chemistry
Ch. 3.1 - Classify each of the following pure substances as...Ch. 3.1 - Classify each of the following pure substances as...Ch. 3.1 - Classify each of the following as a pure substance...Ch. 3.1 - Classify each of the following as a pure substance...Ch. 3.1 - A dietitian includes one of the following mixtures...Ch. 3.1 - A dietitian includes one of the following mixtures...Ch. 3.2 - Indicate whether each of the following describes a...Ch. 3.2 - Indicate whether each of the following describes a...Ch. 3.2 - Describe each of the following as a physical or...Ch. 3.2 - Describe each of the following as a physical or...
Ch. 3.2 - Prob. 11PPCh. 3.2 - Prob. 12PPCh. 3.2 - Prob. 13PPCh. 3.2 - Describe each of the following properties for the...Ch. 3.3 - Prob. 15PPCh. 3.3 - Prob. 16PPCh. 3.3 - Prob. 17PPCh. 3.3 - Calculate the unknown temperature in each of the...Ch. 3.3 - Prob. 19PPCh. 3.3 - Prob. 20PPCh. 3.4 - Prob. 21PPCh. 3.4 - Prob. 22PPCh. 3.4 - Prob. 23PPCh. 3.4 - Prob. 24PPCh. 3.4 - Prob. 25PPCh. 3.4 - Prob. 26PPCh. 3.4 - Prob. 27PPCh. 3.4 - Prob. 28PPCh. 3.5 - If the same amount of heat is supplied to samples...Ch. 3.5 - Substances A and B are the same mass and at the...Ch. 3.5 - Calculate the specific heat (J/g °C) for each of...Ch. 3.5 - Calculate the specific heat (J/g °C) for each of...Ch. 3.5 - Use the heat equation to calculate the energy, in...Ch. 3.5 - Use the heat equation to calculate the energy, in...Ch. 3.5 - Calculate the mass, in grams, for each of the...Ch. 3.5 - Prob. 36PPCh. 3.5 - Prob. 37PPCh. 3.5 - Prob. 38PPCh. 3.5 - Prob. 39PPCh. 3.5 - a. A 22.8-g piece of metal at 92.6 °C is dropped...Ch. 3.6 - Prob. 41PPCh. 3.6 - Prob. 42PPCh. 3.6 - Prob. 43PPCh. 3.6 - Prob. 44PPCh. 3.6 - Prob. 45PPCh. 3.6 - Prob. 46PPCh. 3.6 - Prob. 47PPCh. 3.6 - Prob. 48PPCh. 3.6 - When a 1.50-g sample of walnuts is burned in a...Ch. 3.6 - Prob. 50PPCh. 3.6 - Prob. 51PPCh. 3.6 - Prob. 52PPCh. 3 - Prob. 53UTCCh. 3 - Prob. 54UTCCh. 3 - Prob. 55UTCCh. 3 - Classify each of the following as a homogeneous or...Ch. 3 - Prob. 57UTCCh. 3 - Prob. 58UTCCh. 3 - Prob. 59UTCCh. 3 - Prob. 60UTCCh. 3 - Prob. 61UTCCh. 3 - Prob. 62UTCCh. 3 - Prob. 63UTCCh. 3 - Prob. 64UTCCh. 3 - Prob. 65APPCh. 3 - Classify each of the following as an element, a...Ch. 3 - Classify each of the following mixtures as...Ch. 3 - Prob. 68APPCh. 3 - Prob. 69APPCh. 3 - Prob. 70APPCh. 3 - Prob. 71APPCh. 3 - Prob. 72APPCh. 3 - Prob. 73APPCh. 3 - Prob. 74APPCh. 3 - Prob. 75APPCh. 3 - Calculate each of the following temperatures in...Ch. 3 - Prob. 77APPCh. 3 - Prob. 78APPCh. 3 - Prob. 79APPCh. 3 - Prob. 80APPCh. 3 - A 0.50-g sample of vegetable oil is placed in a...Ch. 3 - A 1.3-g sample of rice is placed in a calorimeter....Ch. 3 - A hot-water bottle for a patient contains 725 g of...Ch. 3 - Prob. 84APPCh. 3 - Prob. 85APPCh. 3 - Prob. 86APPCh. 3 - The following problems are related to the topics...Ch. 3 - The following problems are related to the topics...Ch. 3 - The following problems are related to the topics...Ch. 3 - The following problems are related to the topics...Ch. 3 - Prob. 91CPCh. 3 - Prob. 92CPCh. 3 - Gold, one of the most sought-after metals in the...Ch. 3 - Prob. 2CICh. 3 - Prob. 3CICh. 3 - Prob. 4CICh. 3 - In one box of nails weighing 0.250 lb, there are...Ch. 3 - A hot tub is filled with 450 gal of water. (2.5,...
Knowledge Booster
Similar questions
- A teaspoon of the carbohydrate sucrose (common sugar) contains 16 Calories (16 kcal). What is the mass of one teaspoon of sucrose if the average number of Calories for carbohydrates is 4.1 Calories/g?arrow_forward9.15 Carry out the following conversions of energy units: (a) 14.3 Btu Into calories, (b) 1.4105 cal into joules, (c) 31.6 mJ into Btuarrow_forwardConsider the following diagram when answering the questions below. a. Compare balls A and B in terms of potential energy in both the initial and final setups. b. Ball A has stopped moving in the figure on the right above, but energy must be conserved. What happened to the potential energy of ball A?arrow_forward
- which has more calories : table sugar or aspartame ? what does synthetic gas (water gas) consist of ?arrow_forwardNatural gas, or methane, is an important fuel. Combustion of one mole of methane releases 802.3 kilojoules of energy. How much energy does that represent in kilocalories? Select one: a. 1.92 x 10-1 kcal b. 1.92 x 102 kcal c. 1.92 x 105 kcal d. 3.36 x 103 kcal e. 3.36 x 106 kcalarrow_forwardAmmonia (NH 3) decomposes to hydrogen and nitrogen and 22.0 kcal/mol of energy is absorbed. 2 NH3(g) 3H2(g) + N2(g) a. How much energy is absorbed when 1 mol of N 2 is formed? b. How much energy is absorbed when 1 mol of NH 3 reacts? c. How much energy is absorbed when 3.50 g of NH 3 reacts?arrow_forward
- A teaspoon of the carbohydrate sucrose (common sugar) contains 16 Calories (16 kcal). What is the mass of one teaspoon of sucrose if the average number of Calories for carbohydrates is 4.1 Calories/g? 3.90 g 0.256 g 65.6 garrow_forwardA food contains 50 grams of carbohydrate and has a total 200 kilocalories. What is the percentage of calories from carbohydrates? a. 100% b. 75% c. 25% d. 50%arrow_forwardJoans dinner contains 100g of carbohydrates, 50 g of protein, 35g of fat, and a glass of wine with 15 g of alcohol. What percent of the total kilocalories in this meal comes from carbohydrates? A. 50% B. 47% C. 39% D. 44%arrow_forward
- Classify each of the following chemical changes as exothermic or endothermic reaction. Chemical Change Exothermic or Endothermic a. A reaction absorbs 550 kJ. b. The energy level of the products is lower than that of the reactants. c. The metabolism of glucose in the body provides energy. d. The energy level of the products is higher than that of the reactants. e. In the body, the synthesis of proteins requires energy. 0.400 moles of sucrose, C12H22O11, contains _________________ C atoms. 12 b. 6.02 x 1023 c. 2.89 x 1024 d. 5.02 x 1022 e. 4.80 Three moles of copper(II) sulfate, CuSO4, contains __________________ moles of O. 4 b. 6.02 x 1023 c. 1.51 x 1023 d. 8 e. 12.04 x 1023 f. 12arrow_forwardwhen a 0.55-g of olive oil is burned in a calorimeter the hear released increases the temperature of 360 g of water from 22.7 c to 36.4 c . what is the energy value for the olive oil in kcal/g?arrow_forwardCarry out the following conversions of energy units: a. 26.8 Btu into calories cal b. 2.2 x 105 cal into joules c. 34.9 mJ into Btu Btuarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- World of Chemistry, 3rd editionChemistryISBN:9781133109655Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCostePublisher:Brooks / Cole / Cengage LearningChemistry for Engineering StudentsChemistryISBN:9781337398909Author:Lawrence S. Brown, Tom HolmePublisher:Cengage LearningWorld of ChemistryChemistryISBN:9780618562763Author:Steven S. ZumdahlPublisher:Houghton Mifflin College Div
- Introductory Chemistry: A FoundationChemistryISBN:9781337399425Author:Steven S. Zumdahl, Donald J. DeCostePublisher:Cengage LearningChemistry: Matter and ChangeChemistryISBN:9780078746376Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl WistromPublisher:Glencoe/McGraw-Hill School Pub CoChemistry by OpenStax (2015-05-04)ChemistryISBN:9781938168390Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark BlaserPublisher:OpenStax
World of Chemistry, 3rd edition
Chemistry
ISBN:9781133109655
Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher:Brooks / Cole / Cengage Learning
Chemistry for Engineering Students
Chemistry
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Cengage Learning
World of Chemistry
Chemistry
ISBN:9780618562763
Author:Steven S. Zumdahl
Publisher:Houghton Mifflin College Div
Introductory Chemistry: A Foundation
Chemistry
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Cengage Learning
Chemistry: Matter and Change
Chemistry
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Glencoe/McGraw-Hill School Pub Co
Chemistry by OpenStax (2015-05-04)
Chemistry
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:OpenStax