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Ch.1 - Chemical Tools: Experimentation & Measurement
McMurry - Chemistry 8th Edition
McMurry8th EditionChemistryISBN: 9781292336145당신이 사용하는 게 아니라요?교과서 변경
모든 교과서McMurry 8th EditionCh.1 - Chemical Tools: Experimentation & Measurement문제 112b
1장, 문제 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?

검증된 단계별 안내
1
Determine the mass of a single Hershey's Kiss by dividing the total mass of a serving by the number of pieces per serving. Use the formula: \( \text{Mass per Kiss} = \frac{\text{Total mass per serving}}{\text{Number of pieces per serving}} \).
Use the given density of a Hershey's Kiss to find the volume. Recall the formula for density: \( \text{Density} = \frac{\text{Mass}}{\text{Volume}} \).
Rearrange the density formula to solve for volume: \( \text{Volume} = \frac{\text{Mass}}{\text{Density}} \).
Substitute the mass of a single Hershey's Kiss and the density into the rearranged formula to calculate the volume.
Express the volume in milliliters (mL), as the density is given in grams per milliliter (g/mL).

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주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

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.
추천 영상:
가이드 코스
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.
추천 영상:
가이드 코스
02:35
Constant-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.
추천 영상:
가이드 코스
01:56
Conversion Factors
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Serving size: 9 pieces = 41 g

Calories per serving: 230

Total fat per serving: 13 g

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