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We need to be able to measure the amounts of reactants needed and the amounts of products produced in a chemical reaction. 1. List some common units of measurement used in recipes. 2. These units are not useful in chemistry. However, there are units we can use to measure amounts of chemicals. 3. In chemistry, we often convert between units using constant ratios. Constant ratios are mathematical relationships between two units of measurement. e.g., State a mathematical relationship between each of the following: Daysiyear_ Month/week Month/days Days/hours Minutes/? 4. We can use these relationships to solve the following: a. How many minutes are in 3 days?

We need to be able to measure the amounts of reactants needed and the amounts of products produced in a chemical reaction. 1. List some common units of measurement used in recipes. 2. These units are not useful in chemistry. However, there are units we can use to measure amounts of chemicals. 3. In chemistry, we often convert between units using constant ratios. Constant ratios are mathematical relationships between two units of measurement. e.g., State a mathematical relationship between each of the following: Daysiyear_ Month/week Month/days Days/hours Minutes/? 4. We can use these relationships to solve the following: a. How many minutes are in 3 days?

Introductory Chemistry: A Foundation
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter6: Chemical Reactions: An Introduction
Section: Chapter Questions
Problem 56AP: A common experiment in introductory chemistry courses involves heating a weighed mixture of...
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We need to be able to measure the amounts of reactants needed and the amounts of products produced in a chemical reaction. 1. List some common units of measurement used in recipes. 2. These units are not useful in chemistry. However, there are units we can use to measure amounts of chemicals. 3. In chemistry, we often convert between units using constant ratios. Constant ratios are mathematical relationships between two units of measurement. e.g., State a mathematical relationship between each of the following: Days/year_ Month/week Month/days Days/hours Minutes/? 4. We can use these relationships to solve the following: a. How many minutes are in 3 days? b. How many months are in 3.00 x 10 5 minutes? 5. In chemistry, we can measure the number of particles (atoms, molecules), but there are so many it is easier to group them into a large unit called the mole; just as it is easier to count 36 doughnuts as three dozen. It is easier to count moles of atoms or molecules. 1 mole = 6.02 x 10 23 atoms or molecules or anything (the unit depends on the given).
Transcribed Image Text:We need to be able to measure the amounts of reactants needed and the amounts of products produced in a chemical reaction. 1. List some common units of measurement used in recipes. 2. These units are not useful in chemistry. However, there are units we can use to measure amounts of chemicals. 3. In chemistry, we often convert between units using constant ratios. Constant ratios are mathematical relationships between two units of measurement. e.g., State a mathematical relationship between each of the following: Days/year_ Month/week Month/days Days/hours Minutes/? 4. We can use these relationships to solve the following: a. How many minutes are in 3 days? b. How many months are in 3.00 x 10 5 minutes? 5. In chemistry, we can measure the number of particles (atoms, molecules), but there are so many it is easier to group them into a large unit called the mole; just as it is easier to count 36 doughnuts as three dozen. It is easier to count moles of atoms or molecules. 1 mole = 6.02 x 10 23 atoms or molecules or anything (the unit depends on the given).
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