EP BASIC CHEMISTRY-STANDALONE ACCESS
6th Edition
ISBN: 9780134999890
Author: Timberlake
Publisher: PEARSON CO
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Textbook Question
Chapter 10.7, Problem 46PP
Using Figure 10.6, calculate the heat change needed for each of the following at the melting/freezing point:
a. joules to freeze 35.2 g of acetic acid
b. joules to freeze 275 g of water
c. kilojoules to melt 145 g of ammonia
d. kilojoules to melt 5.00 kg of ice
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7. Calculate the heat needed at 0°C to make each of the following changes of state.
Indicate whether heat was absorbed or released.
a. calories to freeze 35 g of water.
b. calories to freeze 250 g of water.
c. kilocalories to melt 140 g of ice.
that cools from 110°C to -10°C. Indicate
7. Calculate the heat needed at 0°C to make each of the following changes of state.
Indicate whether heat was absorbed or released.
a. calories to freeze 35 g of water.
b. calories to freeze 250 g of water.
c. kilocalories to melt 140 g of ice.
If the heat of fusion for water is 80. cal/g, how many calories are needed to melt 45.0 g of ice at 0 °C?
A.
3.6 cal
B.
3.6 ×103cal
C.
1.8 cal
D.
80. cal
E.
0.56 cal
Chapter 10 Solutions
EP BASIC CHEMISTRY-STANDALONE ACCESS
Ch. 10.1 - Determine the total number of valence electrons...Ch. 10.1 - Determine the total number of valence electrons...Ch. 10.1 - Prob. 3PPCh. 10.1 - If the available number of valence electrons for a...Ch. 10.1 - Draw the Lewis structures for each of the...Ch. 10.1 - Draw the Lewis structures for each of the...Ch. 10.1 - Draw the Lewis structures for each of the...Ch. 10.1 - Draw the Lewis structures for each of the...Ch. 10.2 - Prob. 9PPCh. 10.2 - When does a molecular compound have resonance?
Ch. 10.2 - Draw two resonance structures for each of the...Ch. 10.2 - Draw two resonance structures for each of the...Ch. 10.3 - Prob. 13PPCh. 10.3 - Choose the shape (1 to 6) that matches each of the...Ch. 10.3 - Prob. 15PPCh. 10.3 - Prob. 16PPCh. 10.3 - Prob. 17PPCh. 10.3 - Prob. 18PPCh. 10.3 - Use VSEPR theory to predict the shape of each of...Ch. 10.3 - Prob. 20PPCh. 10.3 - Prob. 21PPCh. 10.3 - Draw the Lewis structure and predict the shape for...Ch. 10.4 - Describe the trend in electronegativity as...Ch. 10.4 - Describe the trend in electronegativity as...Ch. 10.4 - Prob. 25PPCh. 10.4 - Which electronegativity difference (a, b, or c)...Ch. 10.4 - Using the periodic table, arrange the atoms in...Ch. 10.4 - Using the periodic table, arrange the atoms in...Ch. 10.4 - Predict whether the bond between each of the...Ch. 10.4 - Predict whether the bond between each of the...Ch. 10.4 - For the bond between each of the following pairs...Ch. 10.4 - For the bond between each of the following pairs...Ch. 10.5 - Why is F2 a nonpolar molecule, but HF is a polar...Ch. 10.5 - Why is CCl4 a nonpolar molecule, but PCl3 is a...Ch. 10.5 - Identify each of the following molecules as polar...Ch. 10.5 - Identify each of the following molecules as polar...Ch. 10.5 - Prob. 37PPCh. 10.5 - Prob. 38PPCh. 10.6 - Prob. 39PPCh. 10.6 - Prob. 40PPCh. 10.6 - Identify the strongest intermolecular forces...Ch. 10.6 - Identify the strongest intermolecular forces...Ch. 10.6 - Prob. 43PPCh. 10.6 - Prob. 44PPCh. 10.7 - Using Figure 10.6, calculate the heat change...Ch. 10.7 - Using Figure 10.6, calculate the heat change...Ch. 10.7 - Prob. 47PPCh. 10.7 - Using Figure 10.6, calculate the heat change...Ch. 10.7 - Using Figure 10.6 and the specific heat of water,...Ch. 10.7 - Using Figure 10.6 and the specific heat of water,...Ch. 10.7 - An ice bag containing 275 g of ice at 0 °C was...Ch. 10.7 - Prob. 52PPCh. 10.7 - Prob. 53PPCh. 10.7 - In the preparation of liquid nitrogen, how many...Ch. 10.7 - Using the electronegativity values in Figure 10.2,...Ch. 10.7 - Prob. 56PPCh. 10.7 - Prob. 57PPCh. 10.7 - a. Draw two resonance structures for bicarbonate...Ch. 10 - State the number of valence electrons, bonding...Ch. 10 - State the number of valence electrons, bonding...Ch. 10 - Prob. 61UTCCh. 10 - Prob. 62UTCCh. 10 - Consider the following bonds: Ca and O, C and O, K...Ch. 10 - Consider the following bonds: F and Cl, Cl and Cl,...Ch. 10 - Identify the major intermolecular forces between...Ch. 10 - Prob. 66UTCCh. 10 - Prob. 67UTCCh. 10 - Prob. 68UTCCh. 10 - Prob. 69UTCCh. 10 - Prob. 70UTCCh. 10 - Prob. 71UTCCh. 10 - Prob. 72UTCCh. 10 - Prob. 73APPCh. 10 - Determine the total number of valence electrons in...Ch. 10 - Draw the Lewis structures for each of the...Ch. 10 - Draw the Lewis structures for each of the...Ch. 10 - Draw resonance structures for each of the...Ch. 10 - Prob. 78APPCh. 10 - Use the periodic table to arrange the following...Ch. 10 - Use the periodic table to arrange the following...Ch. 10 - Select the more polar bond in each of the...Ch. 10 - Select the more polar bond in each of the...Ch. 10 - Show the dipole arrow for each of the following...Ch. 10 - Show the dipole arrow for each of the following...Ch. 10 - Calculate the electronegativity difference and...Ch. 10 - Calculate the electronegativity difference and...Ch. 10 - Prob. 87APPCh. 10 - For each of the following, draw the Lewis...Ch. 10 - For each of the following, draw the Lewis...Ch. 10 - For each of the following, draw the Lewis...Ch. 10 - Prob. 91APPCh. 10 - Predict the shape and polarity of each of the...Ch. 10 - Prob. 93APPCh. 10 - Prob. 94APPCh. 10 - Prob. 95APPCh. 10 - Indicate the major type of intermolecular...Ch. 10 - When it rains or snows, the air temperature seems...Ch. 10 - Prob. 98APPCh. 10 - Using Figure 10.6, calculate the grams of ice that...Ch. 10 - Using Figure 10.6, calculate the grams of ethanol...Ch. 10 - Prob. 101APPCh. 10 - Using Figure 10.6, calculate the grams of benzene...Ch. 10 - Prob. 103CPCh. 10 - Prob. 104CPCh. 10 - Prob. 105CPCh. 10 - Prob. 106CPCh. 10 - Prob. 107CPCh. 10 - The melting point of benzene is 5.5 °C, and its...Ch. 10 - A 45.0-g piece of ice at 0.0 °C is added to a...Ch. 10 - An ice cube at 0 °C with a mass of 115 g is added...Ch. 10 - Prob. 111CPCh. 10 - Prob. 112CPCh. 10 - Prob. 13CICh. 10 - Prob. 14CICh. 10 - Prob. 15CICh. 10 - Ethanol, C2H6O , is obtained from renewable crops...Ch. 10 - Chloral hydrate, a sedative and hypnotic, was the...Ch. 10 - Ethylene glycol, C2H6O2 , used as a coolant and...Ch. 10 - Prob. 19CICh. 10 - Prob. 20CI
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- What is the heat, q , required to melt 10 grams of ice in a) Joules b) caloriesarrow_forwardWhen 50 g of ethanol is heated from T1 below its freezing point to a temperature T2 above its freezing point, it absorbs 523 kJ of heat. If the same sample is cooled back from T2 until it freezes and is cooled back to T1, which of the following is true? a. The sample releases more than 523 kJ of heat to its surroundings. b. The sample releases less than 523 kJ of heat to its surroundings. c. The sample releases 523 kJ to its surroundings. d. It is impossible to know without the heat of fusion of ethanol.arrow_forward5. How much heat does your skin give up if that heat is used to evaporate sweat? 6. How much heat does your window/air give up if heat is used to melt frost on the pane and then raise the temperature of the melted water? START: 5 gram of solid ice at -12°C END: 5 gram of water at 89°C START: 3 gram of water at 20°C END: 3 gram of water vapor at 110°C Change Heat ratio Change Required heat Required heat Heat ratio Total Totalarrow_forward
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