CHEMISTRY-TEXT
8th Edition
ISBN: 9780134856230
Author: Robinson
Publisher: PEARSON
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Chapter 11, Problem 11.37SP
Acetone,acommon laboratorysolvent,has
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CHEMISTRY-TEXT
Ch. 11 - Prob. 11.1PCh. 11 - The normal boiling point of water is 100.0 C, and...Ch. 11 - PRACTICE 11.1 The boiling point of ethanol is 78.4...Ch. 11 - APPLY 11.2 Chloroform CHCl3 has Hvap=29.2kJ/mol...Ch. 11 - How much heat is required to convert15.0 g of...Ch. 11 - APPLY 11.4 What is the sign and magnitude of q...Ch. 11 - Look at the phase diagram of H2O in Figure 11.7,...Ch. 11 - Prob. 11.8ACh. 11 - Why was a new solvent needed for extracting...Ch. 11 - A fire extinguisher containing carbon dioxide has...
Ch. 11 - Look at the phase diagram of CO2 in Figure11.13,...Ch. 11 - Liquid carbon dioxide is also used as non-toxic...Ch. 11 - For the phase transition CO2(s)CO2(g), predict the...Ch. 11 - A sample of supercritical carbon dioxide was...Ch. 11 - Assume that you have a liquid in a cylinder...Ch. 11 - The phase diagram of a substance is shown below....Ch. 11 - Prob. 11.17CPCh. 11 - Prob. 11.18CPCh. 11 - The following compound undergoes a phase...Ch. 11 - A magnetized needle gently placed on the surface...Ch. 11 - Water flows quickly through the narrow neck of a...Ch. 11 - Predict which substance in each pair has the...Ch. 11 - Prob. 11.23SPCh. 11 - The chemical structure for oleic acid, the primary...Ch. 11 - Prob. 11.25SPCh. 11 - Prob. 11.26SPCh. 11 - The vapor pressure of SiCI4 is 100 mm Hg at 5.4 C,...Ch. 11 - What is the vapor pressure of CS2 in mm Hg at 20.0...Ch. 11 - What is the vapor pressure of SiCI4 in mm Hg at...Ch. 11 - Dichloromethane, CH2CI2, is an organic solvent...Ch. 11 - Prob. 11.31SPCh. 11 - Use the plot you made in Problem 11.30 to find a...Ch. 11 - Prob. 11.33SPCh. 11 - Prob. 11.34SPCh. 11 - Prob. 11.35SPCh. 11 - Prob. 11.36SPCh. 11 - Acetone,acommon laboratorysolvent,has...Ch. 11 - Why is Hvap usually larger than Hfusion ?Ch. 11 - Why is the heat of sublimation, Hsubl, equal to...Ch. 11 - Naphthalene, better known as "mothballs," has bp =...Ch. 11 - Prob. 11.41SPCh. 11 - Prob. 11.42SPCh. 11 - Prob. 11.43SPCh. 11 - Prob. 11.44SPCh. 11 - Prob. 11.45SPCh. 11 - How much energy in kilojoules is needed to heat...Ch. 11 - Prob. 11.47SPCh. 11 - How much energy in kilojoules is released when...Ch. 11 - How much energy in kilojoules is released when...Ch. 11 - Prob. 11.50SPCh. 11 - Prob. 11.51SPCh. 11 - Prob. 11.52SPCh. 11 - Prob. 11.53SPCh. 11 - Prob. 11.54SPCh. 11 - Look at the phase diagram of H2O in Figure 11.7,...Ch. 11 - Prob. 11.56SPCh. 11 - Oxygen has Tt=54.3K,Pt=1.14mmHg,Tc=154.6K, and...Ch. 11 - Prob. 11.58SPCh. 11 - Prob. 11.59SPCh. 11 - Prob. 11.60SPCh. 11 - Prob. 11.61SPCh. 11 - Benzene has a melting point of 5.53 C and a...Ch. 11 - Prob. 11.63SPCh. 11 - How many phase transitions did you pass through in...Ch. 11 - Prob. 11.65SPCh. 11 - Prob. 11.66SPCh. 11 - Prob. 11.67SPCh. 11 - Prob. 11.68SPCh. 11 - Prob. 11.69SPCh. 11 - Prob. 11.70SPCh. 11 - Prob. 11.71SPCh. 11 - Prob. 11.72SPCh. 11 - Prob. 11.73SPCh. 11 - For each of the following substances, identify the...Ch. 11 - The chlorofluorocarbon refrigerant...Ch. 11 - Prob. 11.76MPCh. 11 - Prob. 11.77MP
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- Chloroform, CHCl3, has a normal boiling point of 61C. Its vapor pressure at 43C is 0.526 atm. What is the concentration (in g/L) of CHCl3 when it saturates the air at 27C?arrow_forwardThe vapor pressure of ethanol, C2H5OH, at 50.0 C is 233 mmHg, and its normal boiling point at 1 atm is 78.3 C. Calculate the vapH of ethanol.arrow_forward8.87 Use the vapor pressure curves illustrated here to answer the questions that follow. (a) What is the vapor pressure of ethanol (C2H5OH) at 60°C? (b) Considering only carbon disulfide (CS2) and ethanol, which has the stranger intermolecular forces in the liquid state? (c) At what temperature does heptane (C7H16) have a vapor pressure of 500 mm Hg? (d) What are the approximate normal boiling pains of each of the three substances? (e) At a pressure of 400 mm Hg and a temperature of 70°C, is each substance a liquid, a gas, or a mixture of liquid and gas?arrow_forward
- Carbon tetrachloride, CCl4, has a vapor pressure of 213 torr at 40.C and 836 torr at 80.C. What is the normal boiling point of CCl4?arrow_forwardUse Figure 11.7 to estimate the boiling point of carbon tetrachloride, CCl4, under an external pressure of 250 mmHg.arrow_forwardThe heats of vaporization of liquid O2, liquid Ne, and liquid methanol, CH3OH, are 6.8 kJ/moL 1.8 kJ/mol, and 34.5 kJ/mol, respectively. Are the relative values as you would expect? Explain.arrow_forward
- 5-106 The normal boiling point of hexane, C6H14, is 69°C, and that of pentane, C5H12, is 36°C. Predict which of these compounds has a higher vapor pressure at 20°C.arrow_forwardA fluorocarbon, CF4, has a critical temperature of 45.7 C and a critical pressure of 37 atm. Are there any conditions under which this compound can be a liquid at room temperature? Explain briefly.arrow_forwardLiquid methanol, CH3OH, is placed in a glass tube. Is the meniscus of the liquid concave or convex? Explain briefly.arrow_forward
- The types of intermolecular forces in a substance are identical whether it is a solid, a liquid, or a gas. Why then does a substance change phase from a gas to a liquid or to a solid?arrow_forwardFor each of the following pairs, choose the member with the lower boiling point. Explain your reason in each case. (a) NaCl or PCl3 (b) NH3 or AsH3 (c) C3H7OH or C2H5OCH3 (d) HI(g) or HCl(g)arrow_forward
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