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?
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Ch.1 - Chemical Tools: Experimentation & Measurement
Chapter 1, Problem 112b
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?
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Density
Density is defined as the mass of an object divided by its volume, typically expressed in grams per milliliter (g/mL) or kilograms per cubic meter (kg/m³). It is a crucial property that helps determine how much space an object occupies relative to its mass. In this context, knowing the density of a Hershey's Kiss allows us to calculate its volume using the formula: Volume = Mass / Density.
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01:56
Density Concepts
Volume Calculation
Volume is a measure of the three-dimensional space an object occupies. For irregularly shaped objects, volume can be calculated using the formula derived from density. In this case, to find the volume of a single Hershey's Kiss, we will use the total mass of one piece and the known density, applying the formula: Volume = Mass / Density, where mass is the weight of one Kiss.
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02:35Constant-Volume Calorimetry
Unit Conversion
Unit conversion is the process of converting a quantity expressed in one set of units to another. In this problem, it is important to ensure that the mass of a Hershey's Kiss is in grams to match the density's units (g/mL). Understanding how to convert between different units is essential for accurate calculations, especially when dealing with measurements in chemistry.
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01:56Conversion Factors
Related Practice
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?
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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
(a) The bag contains 2.0 lbs of Hershey's Kisses. How many Kisses are in the bag?
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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 (c) How many Calories are in one Hershey's Kiss?
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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?
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Textbook Question
At a certain point, the Celsius and Fahrenheit scales 'cross,' giving the same numerical value on both. At what tempera-ture does this crossover occur?
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