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Free Response For questions A and B. A hydrocarbon containing 85.7% of carbon and 14.3% of...
Not yet graded/5 pts Question 13 Free Response For questions A and B. A hydrocarbon containing...
Not yet graded/5 pts Question 13 Free Response For questions A and B. A hydrocarbon containing 85.7% of carbon and 14.3% of hydrogen was burned in a rigid, enclosed box with the pressure of 715 mmHg at 95°C and an oxygen volume of 4490 mL. At the end of the reaction, the temperature cooled down to 0°C. Molar mass of the hydrocarbon is 70.0 g/mol. A. What is the amount of O2 reacted in grams? B. What is the yield...
Free Response For questions A and B. A hydrocarbon containing 83.9% of carbon and 16.1% of...
Free Response For questions A and B. A hydrocarbon containing 83.9% of carbon and 16.1% of hydrogen was burned in a rigid, enclosed box with the pressure of 715 mmHg at 55°C and an oxygen volume of 5090 ml. At the end of the reaction, the temperature cooled down to 0°C. Molar mass of the hydrocon is 100.2 g/mol. A. What is the amount of O2 reacted in gram. B. What is the yield of H20, in grams, after the...
2.51 correct Question 12 0/2 pts How many butane molecules are in 32.4 liters of C4H10...
2.51 correct Question 12 0/2 pts How many butane molecules are in 32.4 liters of C4H10 gas at STP? 2.70X1023 6.45X102 2.46X1024 13710 Question 13 Not yet graded/5 pts Free Response For questions A and B. A hydrocarbon containing 85.7% of carbon and 14.3% of hydrogen was burned in a tigid, enclosed box with the pressure
Naphthalene, a hydrocarbon, has an approximate molar mass of 128 g/mole. If the combustion of 64...
Naphthalene, a hydrocarbon, has an approximate molar mass of 128 g/mole. If the combustion of 64 produces 0.3599 g H20 and 2.1977 g CO2, what is the molecular formula of this compound? 3. A mass of 0.4113 g of an unknown acid, HA, is titrated with NaOH. If the acid reacts with 28.10 mL of 0.1055 M NaOH(aq), what is the molar mass of the acid? 4. The amount of calcium in a 15.0-g sample was determined by converting the...
8. How many gram Na in 5.00g Na2SO4? A. 0.035 g B. 1.31 g
8. How many gram Na in 5.00g Na2SO4? A. 0.035 g B. 1.31 g C. 1.62 g D. 0.97 g E. 0.81 g 9. A compound containing only carbon and hydrogen has 85.7 wt% C and 14.3 wt%H. Its molar mass is 56 amu. What is its molecular formula? A. C4H8 B. C2H4 C. C2H D. CH2 E. CH 10. Balance the following reactions. No fractional coefficients, coefficients must be the lowest whole numbers. a) ____K + ____H2O →...
19. Calculate the rate of flow of O, (g) through the walls of a porous tube if H, (g) flows at the rate of 3.95 x 10...
19. Calculate the rate of flow of O, (g) through the walls of a porous tube if H, (g) flows at the rate of 3.95 x 10 mL/sec under identical conditions. 20. Acetylene gas reacts with oxygen gas as follows: 2 C,H, (B)+5 0, (8) 4 CO, (B) +2 H,0 (g) What quantity of CO, (g) is formed when 6.0 L of acetylene gas is completely combusted? 21. How many liters of O,(g) at STP are evolved when 3.25 g...
Lequired HW 11/07/19 16 Question (1 point) The reaction of Cr2O3 with silicon metal at high...
Lequired HW 11/07/19 16 Question (1 point) The reaction of Cr2O3 with silicon metal at high temperatures will make chromium metal. 2Cr,0(s) +35i(s) — 4Cr(1) + 3Si0, (s) The reaction is begun with 98.00 g of Si and 78.00 g of Cr2O3- 1st attempt Part 1 (0.5 point) Select the limiting reactant. 15 OF 19 QUESTIONS COMPLETED < 16/19 > nk 12 pages Type here to search e ê 3 * Select the limiting reactant Choose one or more: В...
I need help figuring out #5.35, 5.37, 5.45, 5.57, and 5.71 Documents Pearson Updad Assgrmerti Eimiting....
I
need help figuring out #5.35, 5.37, 5.45, 5.57, and 5.71
Documents Pearson Updad Assgrmerti Eimiting. Nos |UNC 217 A gas-filled balloon having a volume of 2.50 L at 1.2 atm and 25°C is allowed to rise to the strato sphere (about 30 km above the surface of Earth), where the temperature and pressure are -23°C and 3.00 x 10 atm, respectively. Calculate the final volume of the balloon 5.35 The temperature of 2.5 L of a gas initially at...
(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...
Not yet graded/5 pts Question 13 Free Response For questions A and B. A hydrocarbon containing 85.7% of carbon and 14.3% of hydrogen was burned in a rigid, enclosed box with the pressure of 715 mmHg at 95°C and an oxygen volume of 4490 mL. At the end of the reaction, the temperature cooled down to 0°C. Molar mass of the hydrocarbon is 70.0 g/mol. A. What is the amount of O2 reacted in grams? B. What is the yield...
Free Response For questions A and B. A hydrocarbon containing 83.9% of carbon and 16.1% of hydrogen was burned in a rigid, enclosed box with the pressure of 715 mmHg at 55°C and an oxygen volume of 5090 ml. At the end of the reaction, the temperature cooled down to 0°C. Molar mass of the hydrocon is 100.2 g/mol. A. What is the amount of O2 reacted in gram. B. What is the yield of H20, in grams, after the...
2.51 correct Question 12 0/2 pts How many butane molecules are in 32.4 liters of C4H10 gas at STP? 2.70X1023 6.45X102 2.46X1024 13710 Question 13 Not yet graded/5 pts Free Response For questions A and B. A hydrocarbon containing 85.7% of carbon and 14.3% of hydrogen was burned in a tigid, enclosed box with the pressure
Naphthalene, a hydrocarbon, has an approximate molar mass of 128 g/mole. If the combustion of 64 produces 0.3599 g H20 and 2.1977 g CO2, what is the molecular formula of this compound? 3. A mass of 0.4113 g of an unknown acid, HA, is titrated with NaOH. If the acid reacts with 28.10 mL of 0.1055 M NaOH(aq), what is the molar mass of the acid? 4. The amount of calcium in a 15.0-g sample was determined by converting the...
19. Calculate the rate of flow of O, (g) through the walls of a porous tube if H, (g) flows at the rate of 3.95 x 10 mL/sec under identical conditions. 20. Acetylene gas reacts with oxygen gas as follows: 2 C,H, (B)+5 0, (8) 4 CO, (B) +2 H,0 (g) What quantity of CO, (g) is formed when 6.0 L of acetylene gas is completely combusted? 21. How many liters of O,(g) at STP are evolved when 3.25 g...
Lequired HW 11/07/19 16 Question (1 point) The reaction of Cr2O3 with silicon metal at high temperatures will make chromium metal. 2Cr,0(s) +35i(s) — 4Cr(1) + 3Si0, (s) The reaction is begun with 98.00 g of Si and 78.00 g of Cr2O3- 1st attempt Part 1 (0.5 point) Select the limiting reactant. 15 OF 19 QUESTIONS COMPLETED < 16/19 > nk 12 pages Type here to search e ê 3 * Select the limiting reactant Choose one or more: В...
I
need help figuring out #5.35, 5.37, 5.45, 5.57, and 5.71
Documents Pearson Updad Assgrmerti Eimiting. Nos |UNC 217 A gas-filled balloon having a volume of 2.50 L at 1.2 atm and 25°C is allowed to rise to the strato sphere (about 30 km above the surface of Earth), where the temperature and pressure are -23°C and 3.00 x 10 atm, respectively. Calculate the final volume of the balloon 5.35 The temperature of 2.5 L of a gas initially at...
(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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