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Instructions: Complete each of the following problems to the best of your ability. Each question (or...
ANSWER ALL QUESTIONS 7-12 or don’t bother 7. If 25.0 mL of 1.50 M CuSO4 is...
ANSWER ALL QUESTIONS 7-12 or don’t bother
7. If 25.0 mL of 1.50 M CuSO4 is diluted to 250.0 mL with pure water, what is the molar concentration of CuSO4 after dilution? 8. A gas occupies a volume of 2.5 L at a pressure of 1.0 atm. What volume will it occupy, at the same temperature, at a pressure of 0.25 atm? 9. A 400 cm3 steel cylinder holds 1.50 g of ethanol, C2HsOH, vapor at 250 °C. What is...
1.Carbon monoxide gas reacts with hydrogen gas to form methanol via the following reaction: CO(g)+2H2(g)→CH3OH(g)CO(g)+2H2(g)→CH3OH(g) A...
1.Carbon monoxide gas reacts with hydrogen gas to form methanol via the following reaction: CO(g)+2H2(g)→CH3OH(g)CO(g)+2H2(g)→CH3OH(g) A 1.65 LL reaction vessel, initially at 305 KK, contains carbon monoxide gas at a partial pressure of 232 mmHg and hydrogen gas at a partial pressure of 395 mmHg. Identify the limiting reactant and determine the theoretical yield of methanol in grams. Express your answer with the appropriate units. 2. What is the pressure in a 12.0-LL cylinder filled with 39.5 g of oxygen...
Name: Section: Gas Law Practice (IC-6) 1. At what temperature will 5.00 g of Cl, exert...
Name: Section: Gas Law Practice (IC-6) 1. At what temperature will 5.00 g of Cl, exert a pressure of 900. torrat a volume of 750 ml? 2. What pressure will be exerted by 25 g of CO, at a temperature of 25 "C and a volume of 500 mL? 3. Find the number of grams of CO, that exert a pressure of 785 torrs at a volume of 32.5 L and a temperature of 32°C 4. An elemental gas has...
nstructions: Complete each of the following problems to the best of your ability. Each question or...
nstructions: Complete each of the following problems to the best of your ability. Each question or part of a question) is worth 2 points. The points are all or nothing (no partial credit). 1) Free radicals are molecules that contain an unpaired electron. Free radicals are important in many environmentally significant reactions. For example, photochemical smog - smog that results from the action of sunlight on air pollutants - forms in part by these two steps: NO2 hy NO+0 O+O2O...
Part 2: Short Answer Directions: Answer each of the following questions. Be sure to use complete sentences where...
Part 2: Short Answer Directions: Answer each of the following questions. Be sure to use complete sentences where appropriate. For full credit be sure to show all of your work, UNITS and SF are important as well!!!1 balloon at a temperature of 35°C, how high can the temperature go (°C) before it will burst (5 1. A balloon will burst if the volume exceeds 4.57 L. If 2.96 L of helium are put into the points)? 2. A sample of...
Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answens Chem 1A...
Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answens Chem 1A Weekly Quiz5 1) Determine the total the question. pressure of all gases (at STP) formed when 500mLofNT(C3H5NOI.d. 1.60 g/ml, molar mass 227.10 g/mol) reacts according to the following reaction. 1)_ - 4 C3H5(NO3130)-6 N2(8)+02) 12 CO2(g) 10 H2og) A) 57.2L B) 29.6L ) 175L D) 493L E) 448 L at volume (L) of 0.250 M HNO3 is nequired to neutralize a solution peepared by...
In a collision of sufficient force, automobile air bags respond by electrically triggering the ex...
In a collision of sufficient force, automobile air bags respond
by electrically triggering the explosive decomposition of sodium
azide (NaN3) to its elements. A 43.398 g sample of
sodium azide was decomposed, and the nitrogen gas generated was
collected over water at 22°C. The total pressure was 798.8 mmHg.
How many liters of dry N2 were generated?
An atmospheric chemist studying the pollutant SO2
places a mixture of SO2 and O2 in a1.14 L
container at 825.7 K and 2.3...
Help? Q2) In a collision of sufficient force, automobile air bags respond by electrically trigger...
Help?
Q2) In a collision of sufficient force, automobile air bags
respond by electrically triggering the explosive decomposition of
sodium azide (NaN3) to its elements. A 43.398 g sample
of sodium azide was decomposed, and the nitrogen gas generated was
collected over water at 22°C. The total pressure was 798.8 mmHg.
How many liters of dry N2 were generated?
Q3) An atmospheric chemist studying the pollutant SO2
places a mixture of SO2 and O2 in a1.14 L
container at 825.7...
With the data given, help on the calculations please - Tes Name Determination of the Gas...
With the data given, help on the calculations please
- Tes Name Determination of the Gas Constant, R, and the Purity of KCIO, Data Unknown number or letter Mass of test tube and iron (IIT) oxide 44.5928 Mass of test tube, iron (III) oxide and sample 44.979 8 Mass of test tube and contents after heating 44.8488 Volume of water displaced Barometric pressure 976 mbar Temperature of water temperature of O, 23 Vapor pressure of water at this temperature 21.068_mm...
3.355 M K2SO4 solution can be prepared by A) dilution of 500.0 mL of 1.00 MK2SO4...
3.355 M K2SO4 solution can be prepared by A) dilution of 500.0 mL of 1.00 MK2SO4 to 1.00 L B) dissolving 46.7 g of K2SO4 in water and diluting to 500.0 ml, then diluting 25.0 ml of this solution to a total volume of 500.0 mL C) dissolving 46.7 g of K2SO4 in water and diluting to a total volume of 250.0 mL D) dilution of 1.00 mL of 0.355 M K2SO4 to 1.00 L E) diluting 46.7 mL of...
ANSWER ALL QUESTIONS 7-12 or don’t bother
7. If 25.0 mL of 1.50 M CuSO4 is diluted to 250.0 mL with pure water, what is the molar concentration of CuSO4 after dilution? 8. A gas occupies a volume of 2.5 L at a pressure of 1.0 atm. What volume will it occupy, at the same temperature, at a pressure of 0.25 atm? 9. A 400 cm3 steel cylinder holds 1.50 g of ethanol, C2HsOH, vapor at 250 °C. What is...
Name: Section: Gas Law Practice (IC-6) 1. At what temperature will 5.00 g of Cl, exert a pressure of 900. torrat a volume of 750 ml? 2. What pressure will be exerted by 25 g of CO, at a temperature of 25 "C and a volume of 500 mL? 3. Find the number of grams of CO, that exert a pressure of 785 torrs at a volume of 32.5 L and a temperature of 32°C 4. An elemental gas has...
nstructions: Complete each of the following problems to the best of your ability. Each question or part of a question) is worth 2 points. The points are all or nothing (no partial credit). 1) Free radicals are molecules that contain an unpaired electron. Free radicals are important in many environmentally significant reactions. For example, photochemical smog - smog that results from the action of sunlight on air pollutants - forms in part by these two steps: NO2 hy NO+0 O+O2O...
Part 2: Short Answer Directions: Answer each of the following questions. Be sure to use complete sentences where appropriate. For full credit be sure to show all of your work, UNITS and SF are important as well!!!1 balloon at a temperature of 35°C, how high can the temperature go (°C) before it will burst (5 1. A balloon will burst if the volume exceeds 4.57 L. If 2.96 L of helium are put into the points)? 2. A sample of...
Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answens Chem 1A Weekly Quiz5 1) Determine the total the question. pressure of all gases (at STP) formed when 500mLofNT(C3H5NOI.d. 1.60 g/ml, molar mass 227.10 g/mol) reacts according to the following reaction. 1)_ - 4 C3H5(NO3130)-6 N2(8)+02) 12 CO2(g) 10 H2og) A) 57.2L B) 29.6L ) 175L D) 493L E) 448 L at volume (L) of 0.250 M HNO3 is nequired to neutralize a solution peepared by...
In a collision of sufficient force, automobile air bags respond
by electrically triggering the explosive decomposition of sodium
azide (NaN3) to its elements. A 43.398 g sample of
sodium azide was decomposed, and the nitrogen gas generated was
collected over water at 22°C. The total pressure was 798.8 mmHg.
How many liters of dry N2 were generated?
An atmospheric chemist studying the pollutant SO2
places a mixture of SO2 and O2 in a1.14 L
container at 825.7 K and 2.3...
Help?
Q2) In a collision of sufficient force, automobile air bags
respond by electrically triggering the explosive decomposition of
sodium azide (NaN3) to its elements. A 43.398 g sample
of sodium azide was decomposed, and the nitrogen gas generated was
collected over water at 22°C. The total pressure was 798.8 mmHg.
How many liters of dry N2 were generated?
Q3) An atmospheric chemist studying the pollutant SO2
places a mixture of SO2 and O2 in a1.14 L
container at 825.7...
With the data given, help on the calculations please
- Tes Name Determination of the Gas Constant, R, and the Purity of KCIO, Data Unknown number or letter Mass of test tube and iron (IIT) oxide 44.5928 Mass of test tube, iron (III) oxide and sample 44.979 8 Mass of test tube and contents after heating 44.8488 Volume of water displaced Barometric pressure 976 mbar Temperature of water temperature of O, 23 Vapor pressure of water at this temperature 21.068_mm...
3.355 M K2SO4 solution can be prepared by A) dilution of 500.0 mL of 1.00 MK2SO4 to 1.00 L B) dissolving 46.7 g of K2SO4 in water and diluting to 500.0 ml, then diluting 25.0 ml of this solution to a total volume of 500.0 mL C) dissolving 46.7 g of K2SO4 in water and diluting to a total volume of 250.0 mL D) dilution of 1.00 mL of 0.355 M K2SO4 to 1.00 L E) diluting 46.7 mL of...
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