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The critical temperature and pressure of CS, are 279 °C and 78 atm, respectively. What exists...
please show me how to get the correct answers in preperation for my upcoming exam 22.) E 23.) D 22) During volcanic...
please show me how to get the correct answers in preperation
for my upcoming exam
22.) E 23.) D
22) During volcanic eruptions, hydrogen sulfide gas is given off and oxidized by air according to the following chemical equation: 2H2S(g) + 302(g) - 2802(g) + 2H2O(g) Calculate the standard enthalpy change for the above reaction given: 3S(s) + 2H2O(g) → 2H2S(g) + SO2(g) AH° = 146.9 kJ/mol S(s) + O2(g) → SO2(g) AH°= -296.4 kJ/mol A) 443.3 kJ/mol B) 742.3...
500. mL, a pressure in its closed container of What was the new volume of the...
500. mL, a pressure in its closed container of What was the new volume of the gas when the temperature 6) A sample of nitrogen gas had a volume of 740 torr, and a temperature of 25 °C. was changed to 50 C and the new pressure was 760 torr, if the amount of gas does not change? A) 530 mL B) 450 mlL C) 970 mL. D) 240 mL E) 400 mL 7) The predominant intermolecular force in (CH3)2NH...
R1.20 atm) needed to produce 1.1x1o gofs. 2) ll there is excess SO2 present. S(g) +...
R1.20 atm) needed to produce 1.1x1o gofs. 2) ll there is excess SO2 present. S(g) + SO2(g) → 3 S(s) + 2 H2O(g) 6 L B) 88.0 L E) 132 L C) 45.4 L the following must be overcome during the boiling of so,? Make sure to 2. dipole-dipole forces D) 68.2 L draw a Lewis structure first. 1. dispersion forces A) 1 only 3. hydrogen B) 2 only C) 1 and 2 D) 1 and 3 1, 2, and...
5) Consider the phase diagram for carbon dioxide(10). Supercritical fluid Solid Liquid Pressure (atm) -78.5 -56.4...
5) Consider the phase diagram for carbon dioxide(10). Supercritical fluid Solid Liquid Pressure (atm) -78.5 -56.4 Temperature (°C)— a) What is the critical temperature for carbon dioxide? b) What is the critical pressure for carbon dioxide? c) What phase(s) is/are present at -10°C and 30 atm. d) What phase(s) is/are present at -60°C and 10 atm. - e) What phase(s) is/are present at-78.5°C and 1 atm. f) What phase(s) is/are present at-56.4°C and 5.11 atm. g) What is the normal...
1. Select the two compounds that are more likely to be a gas at room temperature...
1. Select the two compounds that are more likely to be a gas at room temperature (as opposed to a liquid). CH4 CH3OH C2H6 H2O 2. The separation of charges within a polar molecule is called a(n) ________. polar bond strong attraction dipole ionic bond dipole-dipole 3. Which of the following intermolecular forces best describes why nonpolar molecules like gasoline (C8H18) have only limited solubility in water? dipole-dipole ion-dipole Both dipole-dipole and induced dipole-induced dipole induced dipole-induced dipole dipole-induced dipole...
check each statement about the temperature, check each item that is a unit of pressure, which...
check each statement about the temperature, check each item that is
a unit of pressure, which of the following pairs of substances are
held together by hudrogen bonds, multiple choice, name the phase
16. Check each true statement about the temperature 0 K. The K stands for kilo. The K stands for Kelvin. This is a temperature that is suitable for biological processes. It is absolute zero. This temperature is the middle of the Kelvin scale. This is the coldest...
29. A process has a AH° of 8.5 kJ/mol and a AS™ of 35.2 J/mol-K. What...
29. A process has a AH° of 8.5 kJ/mol and a AS™ of 35.2 J/mol-K. What is AGº at 300 K for this process? A) -23.0 kJ/mol B) -2.06 kJ/mol C) +33.4 kJ/mol D) +1.24 kJ/mol cd2 (aq) + 2e Sn2 30. A spontaneous voltaic cell is based on the following two standard half-reactions: (aq) + 2e Cd (w) Eº red (Ca/Cd) = -0.40 V → Sn) Ered (Sn/Sn) = -0.14 V What is the standard cell potential, Ecell? A)...
1. Some solids can be converted directly to the vapor phase by heating. The process is...
1. Some solids can be converted directly to the vapor phase by heating. The process is called: a) Fusion b) sublimation c) vaporization d) condensation e) distillation 2. Which one of the following substances is INCORRECTLY matched with the kind of solid it forms? Substance Kind of Solid a) Sulfur dioxide molecular b) Graphite covalent c) Calcium bromide ionic d) Lithium ionic e) Methane molecular 3. Arrange the following in order of increasing melting points: KCl, He, H2O, HF. a)...
can someone help me find the answeres for these questions? The answer you fill in on...
can someone help me find the answeres for these
questions?
The answer you fill in on your bubble sheet is the one that will You should circle the answer on this sheet for your own reference You can only get the 4 points for this question if you have filled in your name and Do you understand this? а.yes IsU bubble. 1. ly on the bubble sheet and you completely and darkly fill in the ""Check following on the bubble...
(6 pts.) 1. The air pressure in the inner tube of a tire on a typical...
(6 pts.) 1. The air pressure in the inner tube of a tire on a typical racing bike is held at a pressure of 115 psi (pounds! per square inch). Convert this pressure to atm and mm Hg. (3 pts. each) The atmospheric pressure is 0.978 atm. Determine the pressure of the enclosed gas in each of the cases depicted below. Gas Gas (6 pts.) 3. A 5.90 L bottle contains 1070 g of oxygen at 25.0°C. Calculate the pressure...
please show me how to get the correct answers in preperation
for my upcoming exam
22.) E 23.) D
22) During volcanic eruptions, hydrogen sulfide gas is given off and oxidized by air according to the following chemical equation: 2H2S(g) + 302(g) - 2802(g) + 2H2O(g) Calculate the standard enthalpy change for the above reaction given: 3S(s) + 2H2O(g) → 2H2S(g) + SO2(g) AH° = 146.9 kJ/mol S(s) + O2(g) → SO2(g) AH°= -296.4 kJ/mol A) 443.3 kJ/mol B) 742.3...
500. mL, a pressure in its closed container of What was the new volume of the gas when the temperature 6) A sample of nitrogen gas had a volume of 740 torr, and a temperature of 25 °C. was changed to 50 C and the new pressure was 760 torr, if the amount of gas does not change? A) 530 mL B) 450 mlL C) 970 mL. D) 240 mL E) 400 mL 7) The predominant intermolecular force in (CH3)2NH...
R1.20 atm) needed to produce 1.1x1o gofs. 2) ll there is excess SO2 present. S(g) + SO2(g) → 3 S(s) + 2 H2O(g) 6 L B) 88.0 L E) 132 L C) 45.4 L the following must be overcome during the boiling of so,? Make sure to 2. dipole-dipole forces D) 68.2 L draw a Lewis structure first. 1. dispersion forces A) 1 only 3. hydrogen B) 2 only C) 1 and 2 D) 1 and 3 1, 2, and...
5) Consider the phase diagram for carbon dioxide(10). Supercritical fluid Solid Liquid Pressure (atm) -78.5 -56.4 Temperature (°C)— a) What is the critical temperature for carbon dioxide? b) What is the critical pressure for carbon dioxide? c) What phase(s) is/are present at -10°C and 30 atm. d) What phase(s) is/are present at -60°C and 10 atm. - e) What phase(s) is/are present at-78.5°C and 1 atm. f) What phase(s) is/are present at-56.4°C and 5.11 atm. g) What is the normal...
check each statement about the temperature, check each item that is
a unit of pressure, which of the following pairs of substances are
held together by hudrogen bonds, multiple choice, name the phase
16. Check each true statement about the temperature 0 K. The K stands for kilo. The K stands for Kelvin. This is a temperature that is suitable for biological processes. It is absolute zero. This temperature is the middle of the Kelvin scale. This is the coldest...
29. A process has a AH° of 8.5 kJ/mol and a AS™ of 35.2 J/mol-K. What is AGº at 300 K for this process? A) -23.0 kJ/mol B) -2.06 kJ/mol C) +33.4 kJ/mol D) +1.24 kJ/mol cd2 (aq) + 2e Sn2 30. A spontaneous voltaic cell is based on the following two standard half-reactions: (aq) + 2e Cd (w) Eº red (Ca/Cd) = -0.40 V → Sn) Ered (Sn/Sn) = -0.14 V What is the standard cell potential, Ecell? A)...
1. Some solids can be converted directly to the vapor phase by heating. The process is called: a) Fusion b) sublimation c) vaporization d) condensation e) distillation 2. Which one of the following substances is INCORRECTLY matched with the kind of solid it forms? Substance Kind of Solid a) Sulfur dioxide molecular b) Graphite covalent c) Calcium bromide ionic d) Lithium ionic e) Methane molecular 3. Arrange the following in order of increasing melting points: KCl, He, H2O, HF. a)...
can someone help me find the answeres for these
questions?
The answer you fill in on your bubble sheet is the one that will You should circle the answer on this sheet for your own reference You can only get the 4 points for this question if you have filled in your name and Do you understand this? а.yes IsU bubble. 1. ly on the bubble sheet and you completely and darkly fill in the ""Check following on the bubble...
(6 pts.) 1. The air pressure in the inner tube of a tire on a typical racing bike is held at a pressure of 115 psi (pounds! per square inch). Convert this pressure to atm and mm Hg. (3 pts. each) The atmospheric pressure is 0.978 atm. Determine the pressure of the enclosed gas in each of the cases depicted below. Gas Gas (6 pts.) 3. A 5.90 L bottle contains 1070 g of oxygen at 25.0°C. Calculate the pressure...
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