Textbook Question
Answer the following questions. (c) A certain type of wood has a density of 0.40 g/cm3. What is the mass of 1.0 cord of this wood in kg, where 1 cord is 128 cubic feet of wood?
Ch.1 - Chemical Tools: Experimentation & Measurement
McMurry8th EditionChemistryISBN: 9781292336145
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Table of contents
- Ch.1 - Chemical Tools: Experimentation & Measurement170
- Ch.2 - Atoms, Molecules & Ions160
- Ch.3 - Mass Relationships in Chemical Reactions169
- Ch.4 - Reactions in Aqueous Solution199
- Ch.5 - Periodicity & Electronic Structure of Atoms102
- Ch.6 - Ionic Compounds: Periodic Trends and Bonding Theory92
- Ch.7 - Covalent Bonding and Electron-Dot Structures61
- Ch.8 - Covalent Compounds: Bonding Theories and Molecular Structure59
- Ch.9 - Thermochemistry: Chemical Energy122
- Ch.10 - Gases: Their Properties & Behavior155
- Ch.11 - Liquids & Phase Changes54
- Ch.12 - Solids and Solid-State Materials73
- Ch.13 - Solutions & Their Properties120
- Ch.14 - Chemical Kinetics98
- Ch.15 - Chemical Equilibrium125
- Ch.16 - Aqueous Equilibria: Acids & Bases110
- Ch.17 - Applications of Aqueous Equilibria147
- Ch.18 - Thermodynamics: Entropy, Free Energy & Equilibrium86
- Ch.19 - Electrochemistry154
- Ch.20 - Nuclear Chemistry96
- Ch.21 - Transition Elements and Coordination Chemistry156
- Ch.22 - The Main Group Elements187
- Ch.23 - Organic and Biological Chemistry51
Chapter 1, Problem 112a
A bag of Hershey's Kisses contains the following information:
Serving size: 9 pieces = 41 g
Calories per serving: 230
Total fat per serving: 13 g
(a) The bag contains 2.0 lbs of Hershey's Kisses. How many Kisses are in the bag?
Verified step by step guidance1
Convert the total weight of the bag from pounds to grams using the conversion factor: 1 lb = 453.592 g.
Calculate the total weight of the bag in grams by multiplying the weight in pounds by the conversion factor.
Determine the number of servings in the bag by dividing the total weight in grams by the serving size in grams (41 g).
Calculate the total number of Hershey's Kisses in the bag by multiplying the number of servings by the number of pieces per serving (9 pieces).
Ensure all units are consistent and check calculations for accuracy.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Unit Conversion
Unit conversion is the process of converting a quantity expressed in one set of units to another. In this question, it is essential to convert the weight of the bag from pounds to grams, as the serving size is given in grams. Knowing that 1 pound equals approximately 453.592 grams allows for accurate calculations of the total weight in grams.
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Conversion Factors
Serving Size and Quantity Calculation
Understanding serving size is crucial for determining the total quantity of items in a package. In this case, the serving size of 9 pieces corresponds to 41 grams. By calculating how many servings are in the total weight of the bag, one can then multiply the number of servings by the number of pieces per serving to find the total number of Kisses.
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Proportional Relationships
Proportional relationships involve understanding how two quantities relate to each other in a consistent manner. In this scenario, the relationship between the total weight of the bag and the number of Kisses can be expressed proportionally. By establishing the ratio of grams per serving to the total grams in the bag, one can derive the total number of Kisses effectively.
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Related Practice
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Textbook Question
Answer the following questions. (d) A particular sample of crude oil has a density of 0.85 g/mL. What is the mass of 1.00 barrel of this crude oil in kg, where a barrel of oil is exactly 42 gallons?
Textbook Question
Vinaigrette salad dressing consists mainly of oil and vinegar. The density of olive oil is 0.918 g/cm3, the density of vinegar is 1.006 g/cm3, and the two do not mix. If a certain mixture of olive oil and vinegar has a total mass of 397.8 g and a total volume of 422.8 cm3, what is the volume of oil and what is the volume of vinegar in the mixture?
Textbook Question
A bag of Hershey's Kisses contains the following information: Serving size: 9 pieces = 41 g Calories per serving: 230 Total fat per serving: 13 g (c) How many Calories are in one Hershey's Kiss?
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Textbook Question
A bag of Hershey's Kisses contains the following information:
Serving size: 9 pieces = 41 g
Calories per serving: 230
Total fat per serving: 13 g
(b) The density of a Hershey's Kiss is 1.4 g/mL. What is the volume of a single Hershey's Kiss?