Concept explainers
(a)
Interpretation:
Convert the temperature from Celsius to Fahrenheit scale and Kelvin scale.
25° C.
Concept Introduction:
Temperature can be converted from Celsius scale to Fahrenheit scale using the following conversion factor.
Temperature can be converted from Celsius scale to Kelvin scale using the conversion factor.
Answer to Problem 1.37P
The temperature in Kelvin = 298 K
The temperature in Fahrenheit n =77° F.
Explanation of Solution
Converting 250 C to Fahrenheit:
Converting 250 C to Kelvin:
(b)
Interpretation:
Convert the temperature from Celsius to Fahrenheit scale and Kelvin scale.
40° C.
Concept Introduction:
Temperature can be converted from Celsius scale to Fahrenheit scale using the following conversion factor.
Temperature can be converted from Celsius scale to Kelvin scale using the conversion factor.
Answer to Problem 1.37P
The temperature in Kelvin = 313 K
The temperature in Fahrenheit n =104° F.
Explanation of Solution
Converting 400 C to Fahrenheit:
Converting 400 C to Kelvin:
(c)
Interpretation:
Convert the temperature from Celsius to Fahrenheit scale and Kelvin scale.
250° C.
Concept Introduction:
Temperature can be converted from Celsius scale to Fahrenheit scale using the following conversion factor.
Temperature can be converted from Celsius scale to Kelvin scale using the conversion factor.
Answer to Problem 1.37P
The temperature in Kelvin = 523 K
The temperature in Fahrenheit = 482° F.
Explanation of Solution
Converting 2500 C to Fahrenheit:
Converting 2500 C to Kelvin:
(d)
Interpretation:
Convert the temperature from Celsius to Fahrenheit scale and Kelvin scale.
-273° C.
Concept Introduction:
Temperature can be converted from Celsius scale to Fahrenheit scale using the following conversion factor.
Temperature can be converted from Celsius scale to Kelvin scale using the conversion factor.
Answer to Problem 1.37P
The temperature in Kelvin = 0 K
The temperature in Fahrenheit = -459.4° F.
Explanation of Solution
Converting -2730 C to Fahrenheit:
Converting -2730 C to Kelvin:
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Chapter 1 Solutions
Introduction to General, Organic and Biochemistry
- 1-86 The specific heats of some elements at 25oC are as follows: aluminum = 0.215 cal/g · oC; carbon (graphite) = 0.170 caI/g oC; iron = 0.107 cal/g mercury = 0.033 1 caI/g oC. (a) Which element would require the smallest amount of heat to raise the temperature of 100 g of the element by 10oC? (b) If the same amount of heat needed to raise the temperature of 1 g of aluminum by 25oC were applied to 1 g of mercury, by how many degrees would its temperature be raised? (c) If a certain amount of heat is used to raise the temperature of 1.6 g of iron by 10oC, the temperature of 1 g of which element would also be raised by 10oC, using the same amount of heat?arrow_forward1-67 If 168 g of an unknown liquid requires 2750 cal of heat to raise its temperature from 26oC to 74oC, what is the specific heat of the liquid?arrow_forward1-91 In calculating the specific heat of a substance, the following data are used: mass = 92.15 g; heat = 3.200 kcal; rise in temperature = 45oC. How many significant figures should you report in calculating the specific heat?arrow_forward
- 1-93 The specific heat of urea is 1.339 J/g . If one adds 60.0 J of heat to 10.0 g of urea at 20oC, what would be the final temperature?arrow_forward1-68 The specific heat of steam is 0.48 cal/g oC. How many kilocalories are needed to raise the temperature of 10.5 kg of steam from 120oC to 150oC?arrow_forward1-87 Water that contains deuterium rather than ordinary hydrogen (see Section 2-4D) is called heavy water. The specific heat of heavy water at 25oC is 4.2 17 J/g oC. Which requires more energy to raise the temperature of 10.0 g by 10oC, water or heavy water?arrow_forward
- 1-78 The kinetic energy possessed by an object with a mass of 1 g moving with a velocity of 1 cm/s is called 1 erg. What is the kinetic energy, in ergs, of an athlete with a mass of 127 lb running at a velocity of 14.7 mi/h?arrow_forwardWhich is the higher temperature, 15C or 4F?arrow_forward1-76 If the density of air is 1.25 10-3 g/cc, what is the mass in kilograms of the air in a room that is 5.3 m long, 4.2 m wide, and 2.0 m high?arrow_forward
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