/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Problem 55 Convert the following Celsius te... [FREE SOLUTION] | 91影视

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Chapter 1: Problem 55

Convert the following Celsius temperatures to Kelvin and to Fahrenheit degrees. a. the temperature of someone with a fever, \(39.2^{\circ} \mathrm{C}\) b. a cold wintery day, \(-25^{\circ} \mathrm{C}\) c. the lowest possible temperature, \(-273^{\circ} \mathrm{C}\) d. the melting-point temperature of sodium chloride, \(801^{\circ} \mathrm{C}\)

Short Answer

Expert verified
a. Fever Temperature: 312.35 K and 102.56 掳F b. Cold Wintery Day Temperature: 248.15 K and -13 掳F c. Lowest Possible Temperature: 0.15 K and -459.4 掳F d. Melting-point Temperature of Sodium Chloride: 1074.15 K and 1473.8 掳F

Step by step solution

01

a. Fever Temperature

Given Celsius temperature: \(39.2^{\circ} \mathrm{C}\) Celsius to Kelvin: K = C + 273.15 K = 39.2 + 273.15 K = 312.35 K Celsius to Fahrenheit: F = (9/5 * C) + 32 F = (9/5 * 39.2) + 32 F = 102.56 掳F Therefore, the fever temperature is 312.35 K and 102.56 掳F.
02

b. Cold Wintery Day Temperature

Given Celsius temperature: \(-25^{\circ} \mathrm{C}\) Celsius to Kelvin: K = C + 273.15 K = -25 + 273.15 K = 248.15 K Celsius to Fahrenheit: F = (9/5 * C) + 32 F = (9/5 * -25) + 32 F = -13 掳F Therefore, the cold wintery day temperature is 248.15 K and -13 掳F.
03

c. Lowest Possible Temperature

Given Celsius temperature: \(-273^{\circ} \mathrm{C}\) Celsius to Kelvin: K = C + 273.15 K = -273 + 273.15 K = 0.15 K Celsius to Fahrenheit: F = (9/5 * C) + 32 F = (9/5 * -273) + 32 F = -459.4 掳F Therefore, the lowest possible temperature is 0.15 K and -459.4 掳F.
04

d. Melting-point Temperature of Sodium Chloride

Given Celsius temperature: \(801^{\circ} \mathrm{C}\) Celsius to Kelvin: K = C + 273.15 K = 801 + 273.15 K = 1074.15 K Celsius to Fahrenheit: F = (9/5 * C) + 32 F = (9/5 * 801) + 32 F = 1473.8 掳F Therefore, the melting-point temperature of sodium chloride is 1074.15 K and 1473.8 掳F.

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Most popular questions from this chapter

Ethylene glycol is the main component in automobile antifreeze. To monitor the temperature of an auto cooling system, you intend to use a meter that reads from 0 to 100 . You devise a new temperature scale based on the approximate melting and boiling points of a typical antifreeze solution \(\left(-45^{\circ} \mathrm{C}\right.\) and \(\left.115^{\circ} \mathrm{C}\right)\). You wish these points to correspond to \(0^{\circ} \mathrm{A}\) and \(100^{\circ} \mathrm{A}\), respectively. a. Derive an expression for converting between \({ }^{\circ} \mathrm{A}\) and \({ }^{\circ} \mathrm{C}\). b. Derive an expression for converting between \({ }^{\circ} \mathrm{F}\) and \({ }^{\circ} \mathrm{A}\). c. At what temperature would your thermometer and a Celsius thermometer give the same numerical reading? d. Your thermometer reads \(86^{\circ} \mathrm{A} .\) What is the temperature in \({ }^{\circ} \mathrm{C}\) and in \({ }^{\circ} \mathrm{F}\) ? e. What is a temperature of \(45^{\circ} \mathrm{C}\) in \({ }^{\circ} \mathrm{A}\) ?

Which of the following are exact numbers? a. There are \(100 \mathrm{~cm}\) in \(1 \mathrm{~m}\). b. One meter equals \(1.094\) yards. c. We can use the equation \({ }^{\circ} \mathrm{F}=\frac{9 \circ}{2} \mathrm{C}+32\) to convert from Celsius to Fahrenheit temperature. Are the numbers \(\frac{9}{3}\) and 32 exact or inexact? d. \(\pi=3.1415927\).

Sterling silver is a solid solution of silver and copper. If a piece of a sterling silver necklace has a mass of \(105.0 \mathrm{~g}\) and a volume of \(10.12 \mathrm{~mL}\), calculate the mass percent of copper in the piece of necklace. Assume that the volume of silver present plus the volume of copper present equals the total volume. Refer to Table \(1.5\). Mass percent of copper \(=\frac{\text { mass of copper }}{\text { total mass }} \times 100\)

The properties of a mixture are typically averages of the properties of its components. The properties of a compound may differ dramatically from the properties of the elements that combine to produce the compound. For each process described below, state whether the material being discussed is most likely a mixture or a compound, and state whether the process is a chemical change or a physical change. a. An orange liquid is distilled, resulting in the collection of a yellow liquid and a red solid. b. A colorless, crystalline solid is decomposed, yielding a pale yellow-green gas and a soft, shiny metal. c. A cup of tea becomes sweeter as sugar is added to it.

For a pharmacist dispensing pills or capsules, it is often easier to weigh the medication to be dispensed than to count the individual pills. If a single antibiotic capsule weighs \(0.65 \mathrm{~g}\), and a pharmacist weighs out \(15.6 \mathrm{~g}\) of capsules, how many capsules have been dispensed?
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