Introduction to General, Organic and Biochemistry
11th Edition
ISBN: 9781285869759
Author: Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher: Cengage Learning
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Question
Chapter 5.10, Problem 5.10P
Interpretation Introduction
Interpretation: The amount of heat that must be added to
Concept Introduction: Heat of vaporization of water is
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4. How much energy is removed from 500.0 g of water when the temperature is lowered by 1.10 o C?
Answer: -550. cal (or -2.30 x 103 J)
5. How much energy is required to raise the temperature of 1000.0 g of water from 23.00 o C to 26.00 o C?
Answer: 3.00 x 103 cal (or 1.26 x 104 J)
6. The specific heat of copper is (0.0924 cal/go C), how much energy is required to raise the temperature of 10.0 g of copper by 100.0 o C?
Answer: 92.4 cal
Trial 1
Trial 2
Mass of unknown metal (g)
19.249
19.249
Mass of calorimeter cup (g)
1.707
1.707
Mass of calorimeter and water (g)
47.831
46.184
Temperature of boiling water bath (°C)
99.600
98.9
Initial temperature of calorimeter water (°C)
23.8
22.1
Final temperature of water and metal (°C)
26.5
25.1
Mass of water (g)
Temperature change of water (°C)(Do not include a negative sign)
Heat gained by water (cal)(Do not include a negative sign)
Heat lost by metal (cal)(Do not include a negative sign)
Temperature change of metal (°C)(Do not include a negative sign)
Specific heat of metal [cal/(g·°C)]
Specific heat of metal [J/(g·°C)]
Average specific heat of metal [J/(g·°C)]
Identify the Metal based on the average specific heat in [J/(g·°C)]
SIMPLE ALGORITHM. Correct significant figures and rounding off (Conventional).
10. Consider the hypothetical reaction: A + 3B → 2C, which gives ΔH0 = 357.2 kJ. Determine the enthalpy of its reverse reaction.
Chapter 5 Solutions
Introduction to General, Organic and Biochemistry
Ch. 5.3 - Prob. 5.1PCh. 5.3 - Prob. 5.2PCh. 5.3 - Prob. 5.3PCh. 5.4 - Prob. 5.4PCh. 5.4 - Prob. 5.5PCh. 5.4 - Prob. 5.6PCh. 5.5 - Prob. 5.7PCh. 5.7 - Problem 5-8 Will the molecules in each set form a...Ch. 5.10 - Prob. 5.9PCh. 5.10 - Prob. 5.10P
Ch. 5.10 - Prob. 5.11PCh. 5 - Prob. 5.12PCh. 5 - Prob. 5.13PCh. 5 - Prob. 5.14PCh. 5 - Prob. 5.15PCh. 5 - 5-16 Answer true or false. (a) For a sample of gas...Ch. 5 - Prob. 5.17PCh. 5 - Prob. 5.18PCh. 5 - Prob. 5.19PCh. 5 - Prob. 5.20PCh. 5 - Prob. 5.21PCh. 5 - Prob. 5.22PCh. 5 - Prob. 5.23PCh. 5 - Prob. 5.24PCh. 5 - 5-25 A gas in a bulb as in Figure 5-3 registers a...Ch. 5 - Prob. 5.26PCh. 5 - 5-27 A sample of the inhalation anesthetic gas...Ch. 5 - Prob. 5.28PCh. 5 - Prob. 5.29PCh. 5 - Prob. 5.30PCh. 5 - 5-31 A balloon used for atmospheric research has a...Ch. 5 - Prob. 5.32PCh. 5 - 5-33 A certain quantity of helium gas is at a...Ch. 5 - 5-34 A sample of 30.0 mL of krypton gas, Kr, is at...Ch. 5 - 5-35 A 26.4-mL sample of ethylene gas, C2H4, has a...Ch. 5 - Prob. 5.36PCh. 5 - 5-37 A sample of a gas at 77°C and 1.33 atm...Ch. 5 - 5-38 What is the volume in liters occupied by 1.21...Ch. 5 - 5-39 An 8.00-g sample of a gas occupies 22.4 L at...Ch. 5 - Prob. 5.40PCh. 5 - 5-41 Does the density of a gas increase, decrease,...Ch. 5 - Prob. 5.42PCh. 5 - Prob. 5.43PCh. 5 - Prob. 5.44PCh. 5 - Prob. 5.45PCh. 5 - 5-46 Calculate the molar mass of a gas if 3.30 g...Ch. 5 - Prob. 5.47PCh. 5 - Prob. 5.48PCh. 5 - Prob. 5.49PCh. 5 - 5-50 How many molecules of CO are in 100. L of CO...Ch. 5 - Prob. 5.51PCh. 5 - Prob. 5.52PCh. 5 - Prob. 5.53PCh. 5 - 5-54 Automobile air bags are inflated by nitrogen...Ch. 5 - Prob. 5.55PCh. 5 - 5-56 The three main components of dry air and the...Ch. 5 - Prob. 5.57PCh. 5 - Prob. 5.58PCh. 5 - Prob. 5.59PCh. 5 - Prob. 5.60PCh. 5 - Prob. 5.61PCh. 5 - Prob. 5.62PCh. 5 - Prob. 5.63PCh. 5 - Prob. 5.64PCh. 5 - Prob. 5.65PCh. 5 - Prob. 5.66PCh. 5 - Prob. 5.67PCh. 5 - Prob. 5.68PCh. 5 - Prob. 5.69PCh. 5 - Prob. 5.70PCh. 5 - Prob. 5.71PCh. 5 - Prob. 5.72PCh. 5 - Prob. 5.73PCh. 5 - Prob. 5.74PCh. 5 - 5-75 The heat of vaporization of liquid Freon-12,...Ch. 5 - Prob. 5.76PCh. 5 - Prob. 5.77PCh. 5 - Prob. 5.78PCh. 5 - Prob. 5.79PCh. 5 - Prob. 5.80PCh. 5 - 5-81 Compare the number of calories absorbed when...Ch. 5 - Prob. 5.82PCh. 5 - Prob. 5.83PCh. 5 - Prob. 5.84PCh. 5 - Prob. 5.85PCh. 5 - 5-86 Using the phase diagram of water (Figure...Ch. 5 - Prob. 5.87PCh. 5 - Prob. 5.88PCh. 5 - 5-89 (Chemical Connections 5C) In a...Ch. 5 - Prob. 5.90PCh. 5 - Prob. 5.91PCh. 5 - Prob. 5.92PCh. 5 - Prob. 5.93PCh. 5 - Prob. 5.94PCh. 5 - Prob. 5.95PCh. 5 - Prob. 5.96PCh. 5 - Prob. 5.97PCh. 5 - Prob. 5.98PCh. 5 - Prob. 5.99PCh. 5 - Prob. 5.100PCh. 5 - Prob. 5.101PCh. 5 - Prob. 5.102PCh. 5 - Prob. 5.103PCh. 5 - Prob. 5.104PCh. 5 - Prob. 5.105PCh. 5 - 5-106 The normal boiling point of hexane, C6H14,...Ch. 5 - 5-107 If 60.0 g of NH3 occupies 35.1 L under a...Ch. 5 - Prob. 5.108PCh. 5 - Prob. 5.109PCh. 5 - Prob. 5.110PCh. 5 - 5-111 Diving, particularly SCUBA (Self-Contained...Ch. 5 - Prob. 5.112PCh. 5 - 5-113 Ammonia and gaseous hydrogen chloride react...Ch. 5 - 5-114 Carbon dioxide gas, saturated with water...Ch. 5 - 5-115 Ammonium nitrite decomposes upon heating to...Ch. 5 - Prob. 5.116PCh. 5 - Prob. 5.117PCh. 5 - 5-118 Isooctane, which has a chemical formula...Ch. 5 - Prob. 5.119PCh. 5 - Prob. 5.120P
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- What is the energy change when the temperature of 13.5 grams of solid gold is decreased from 38.2 °C to 22.5 °C ? Answer: ____ Jarrow_forwardBackground info: A unit of heat energy=calorie=amount of heat that raises 1 g of liquid water by 1 degrees C. 1) How many calories of heat need to be removed from a 100 g sample of water to drop the temperature from 99 degrees C to 1 degrees C ? 2) How many calories of heat will raise the temperature of 60g of ethylene gylcol from 10 degrees C to 50 degrees C?arrow_forwardSIMPLE ALGORITHM. Correct significant figures and rounding off (Conventional). 7. Given the following reactions N2(g) + O2(g) → 2NO(g) ΔH = +180.7 kJ 2N2O(g) → O2(g) + 2N2(g) ΔH = -163.2 kJ Determine the enthalpy of reaction: 2N2O(g) → 2NO(g) + N2(g).arrow_forward
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