Domanda del libro di testo
A graduated cylinder contains 155 mL of water. A 15.0-g piece of iron and a 20.0-g piece of lead are added. What is the new water level, in milliliters, in the cylinder?
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Ch.2 Chemistry and Measurements
Timberlake14th EditionChemistry: An Introduction to General, Organic, and Biological ChemistryISBN: 9781292472249
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TOC.tableOfContents
- Ch.1 Chemistry in Our Lives19
- Ch.2 Chemistry and Measurements80
- Ch.3 Matter and Energy53
- Ch.4 Atoms and Elements58
- Ch.5 Nuclear Chemistry42
- Ch.6 Ionic and Molecular Compounds57
- Ch.7 Chemical Quantities and Reactions38
- Ch.8 Gases30
- Ch.9 Solutions50
- Ch.10 Acids and Bases and Equilibrium64
- Ch.11 Introduction to Organic Chemistry: Hydrocarbons77
- Ch.12 Alcohols, Thiols, Ethers, Aldehydes, and Ketones82
- Ch.13 Carbohydrates54
- Ch.14 Carboxylic Acids, Esters, Amines, and Amides91
- Ch.15 Lipids61
- Ch.16 Amino Acids, Proteins, and Enzymes84
- Ch.17 Nucleic Acids and Protein Synthesis86
- Ch.18 Metabolic Pathways and ATP Production73
Timberlake14th EditionChemistry: An Introduction to General, Organic, and Biological ChemistryISBN: 9781292472249Non è quello che usi tu?Cambia libro di testo
Capitolo 2, Problema 108
In Mexico, avocados are 48 pesos per kilogram. What is the cost, in cents, of an avocado that weighs 0.45 lb if the exchange rate is 18 pesos to the dollar?
Guida verificata passo dopo passo1
Convert the weight of the avocado from pounds to kilograms using the conversion factor: 1 lb = 0.453592 kg. Multiply 0.45 lb by 0.453592 kg/lb to find the weight in kilograms.
Calculate the cost of the avocado in pesos by multiplying the weight in kilograms by the price per kilogram (48 pesos/kg).
Convert the cost from pesos to dollars using the exchange rate: 1 dollar = 18 pesos. Divide the cost in pesos by 18 to find the cost in dollars.
Convert the cost from dollars to cents by multiplying the cost in dollars by 100 (since 1 dollar = 100 cents).
Combine all the steps into a single calculation if needed, ensuring proper unit conversions and consistency throughout the process.
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Unit Conversion
Unit conversion is the process of converting a measurement from one unit to another. In this question, it is necessary to convert the weight of the avocado from pounds to kilograms, as the price is given per kilogram. Knowing that 1 pound is approximately 0.453592 kilograms will help in making this conversion accurately.
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Percorso guidato
01:56
Conversion Factors (Simplified) Concept 1
Currency Exchange Rate
The currency exchange rate indicates how much one currency is worth in terms of another. In this case, the exchange rate of 18 pesos to the dollar means that for every dollar, you can get 18 pesos. This rate is crucial for converting the total cost of the avocado from pesos to cents, as it allows for the calculation of the equivalent value in a different currency.
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Percorso guidato
01:07Rate of Reaction Concept 1
Cost Calculation
Cost calculation involves determining the total price of an item based on its weight and price per unit. Here, the cost of the avocado can be calculated by multiplying its weight in kilograms by the price per kilogram (48 pesos). This step is essential to find the total cost before converting it to cents, ensuring that all calculations are based on consistent units.
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Percorso guidato
03:13Calculate Oxidation Numbers
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The water level in a graduated cylinder initially at 215 mL rises to 285 mL after a piece of lead is submerged. What is the mass, in grams, of the lead?
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Domanda del libro di testo
Consider the following solids. The solids A, B, and C represent aluminum (D = 2.70g/mL), and silver (D = 10.5 g/mL). If each has a mass of 10.0 g, what is the identity of each solid?
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