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what is the predicted product from the following combination
reaction?
E) none of the above 33)...
A) C) electrons directo r y D) nutes dregte weerwyl E) none of the above 5.93...
A) C) electrons directo r y D) nutes dregte weerwyl E) none of the above 5.93 Teter Chapter 34) Mow many atoms of cobalt quadass Periodic Table.) A) 1 B) 27 C) 58.93 D) 59 E) 6.02 x 1023 35) What is the number of magnesium atoms that equal a mass of 24.5 A) 1 B) 12 C) 24 D) 6.02 x 1023 E) none of the above 36) Which of the following is equal to 1.00 mole of substance?...
Howmany moles of nitrogen gas are in the tank with nitrogen? He ( N₂ CH4 Volume...
Howmany moles of nitrogen gas
are in the tank with nitrogen?
He ( N₂ CH4 Volume 22.4 L Pressure Temperature Mass of gas Number of gas molecules 22.4 L 101.3 kPa 0°C 4.00 g 6.02 x 1023 101.3 kPa 0 °C 28.0 g 6.02 x 1023 22.4 L 101.3 kPa 0°C 16.0 g 6.02 x 1023
3) Calculate the percentage by mass of hydrogen in PtCl2(NH3)2 A) 0.672 B) 2.016 C) 1.008...
3) Calculate the percentage by mass of hydrogen in PtCl2(NH3)2 A) 0.672 B) 2.016 C) 1.008 D) 0.034 E) 1.558 4) How many molecules of CH4 are in 48.2 g of this compound? A) 1.81 x 1024 B) 4.00 C) 2.00 x 1023 D) 4.64 x 1026 E) 5.00 x 10-24 5) A sample of CH2F2 with a mass of 19 g contains A) 9.5 B) 3.3 * 1024 C) 2.2 x 1023 atoms of F. D) 4.4 x 1023...
1. Which atmospheric component does not contribute to global warming? A. H2O C. N2 D. O...
1. Which atmospheric component does not contribute to global warming? A. H2O C. N2 D. O 2. Calculate the mass of 2.50 6.02 x 1023 molecules) A. 5.81 10-19g B. r, 16-10-18 g C. 7.00×105 g D. 5.38 x 102 g 104 rmolecules of nitrogen gas. (covert from g to molecules, 3. Find the molar mass of ethanol, C2H6O A. 29.02 g/mol B. 45.06 g/mol C. 46.07 g/mol D. 110.0 g/mol 4. The greenhouse and enhanced greenhouse effects refer to...
I was wondering if someone could help me with some problems on my test, my teacher...
I was wondering if someone could help me with some problems on
my test, my teacher allows me to correct them then give them back
for 1/2 credit. Along with the correct answer for each id like to
know why the answers are wrong and why the new answer is correct.
The questiins with a red mark are incorrect.
QUINN A coolant widely used in automobile engines is 38.7 % carbon, 9.7 % hydrogen, and 51.6 % oxygen. Calculate the...
49. Calculate the mass of water produced when 625 of methane, CH4, reacts with an excess...
49. Calculate the mass of water produced when 625 of methane, CH4, reacts with an excess of oxygen in the following unbalanced reaction. CH4%)+18) + CO2g)+H2Og) a. 7.02 g H20 b. 2.25 x 10² g H20 c. 14.0 g H20 d. 0.347 g H20 c. 0.78 g H20 50. In the reaction below, how many molecules of hydrogen are required to react with 9.79 g of nitrogen? 3H,@) + N2) 2NH3) 1.2.10 x 1023 molecules hydrogen b. 3.16 x 1023...
45. Refer to the following equation: 4NH3(g) + 70,() → 4NO2()+6H20() How many moles of ammonia...
45. Refer to the following equation: 4NH3(g) + 70,() → 4NO2()+6H20() How many moles of ammonia will be required to produce 10.5 mol of water a. 4.20 mol b. 10.5 mol c. 7.00 mol d. 5.25 mol e. none of these 46. Refer to the following equation: 4NH3(Ⓡ) + 702() → 4NO2(%) +6H20(g) How many molecules of NO2 are produced when 4.16 mol of ammonia is completely reacted a. 16.64 b. 5.01 X 1024 c. 2.51 1024 d. 191 e....
8) Methanol, CH3OH, is derived from natural gas and is blended with gasoline to make 8)...
8) Methanol, CH3OH, is derived from natural gas and is blended with gasoline to make 8) gasohol. If the combustion of methanol produces carbon dioxide and water, what is the coefficient of oxygen in the balanced equation? _cH3OH(g) +-O2(g) spark-CO2e) . _H2Og) A) 1 B) 3 D) 2 E) none of the above 9) What is the mass of 2.50 L of sulfur dioxide gas, SO2, at STP? 9) A) 56.0 g B) 25.6 g C) 1.14 g D) 0.875...
1) What is the term for a compound containing two nonmetals? A) binary acid B) ionic...
1) What is the term for a compound containing two nonmetals? A) binary acid B) ionic compound C) molecular compound D) ternary acid 2) The compound TiO2 is classified as which of the following? A) binary acid B) ionic compound C) molecular compound D) ternary acid 3) What is the name for S2-? A) sulfur ion B) sulfide ion C) sulfite ion D) sulfate ion 4) What is the chemical formula for the nitrite ion? A) NO3- B) NO32- C)...
A) C) electrons directo r y D) nutes dregte weerwyl E) none of the above 5.93 Teter Chapter 34) Mow many atoms of cobalt quadass Periodic Table.) A) 1 B) 27 C) 58.93 D) 59 E) 6.02 x 1023 35) What is the number of magnesium atoms that equal a mass of 24.5 A) 1 B) 12 C) 24 D) 6.02 x 1023 E) none of the above 36) Which of the following is equal to 1.00 mole of substance?...
Howmany moles of nitrogen gas
are in the tank with nitrogen?
He ( N₂ CH4 Volume 22.4 L Pressure Temperature Mass of gas Number of gas molecules 22.4 L 101.3 kPa 0°C 4.00 g 6.02 x 1023 101.3 kPa 0 °C 28.0 g 6.02 x 1023 22.4 L 101.3 kPa 0°C 16.0 g 6.02 x 1023
3) Calculate the percentage by mass of hydrogen in PtCl2(NH3)2 A) 0.672 B) 2.016 C) 1.008 D) 0.034 E) 1.558 4) How many molecules of CH4 are in 48.2 g of this compound? A) 1.81 x 1024 B) 4.00 C) 2.00 x 1023 D) 4.64 x 1026 E) 5.00 x 10-24 5) A sample of CH2F2 with a mass of 19 g contains A) 9.5 B) 3.3 * 1024 C) 2.2 x 1023 atoms of F. D) 4.4 x 1023...
1. Which atmospheric component does not contribute to global warming? A. H2O C. N2 D. O 2. Calculate the mass of 2.50 6.02 x 1023 molecules) A. 5.81 10-19g B. r, 16-10-18 g C. 7.00×105 g D. 5.38 x 102 g 104 rmolecules of nitrogen gas. (covert from g to molecules, 3. Find the molar mass of ethanol, C2H6O A. 29.02 g/mol B. 45.06 g/mol C. 46.07 g/mol D. 110.0 g/mol 4. The greenhouse and enhanced greenhouse effects refer to...
I was wondering if someone could help me with some problems on
my test, my teacher allows me to correct them then give them back
for 1/2 credit. Along with the correct answer for each id like to
know why the answers are wrong and why the new answer is correct.
The questiins with a red mark are incorrect.
QUINN A coolant widely used in automobile engines is 38.7 % carbon, 9.7 % hydrogen, and 51.6 % oxygen. Calculate the...
49. Calculate the mass of water produced when 625 of methane, CH4, reacts with an excess of oxygen in the following unbalanced reaction. CH4%)+18) + CO2g)+H2Og) a. 7.02 g H20 b. 2.25 x 10² g H20 c. 14.0 g H20 d. 0.347 g H20 c. 0.78 g H20 50. In the reaction below, how many molecules of hydrogen are required to react with 9.79 g of nitrogen? 3H,@) + N2) 2NH3) 1.2.10 x 1023 molecules hydrogen b. 3.16 x 1023...
45. Refer to the following equation: 4NH3(g) + 70,() → 4NO2()+6H20() How many moles of ammonia will be required to produce 10.5 mol of water a. 4.20 mol b. 10.5 mol c. 7.00 mol d. 5.25 mol e. none of these 46. Refer to the following equation: 4NH3(Ⓡ) + 702() → 4NO2(%) +6H20(g) How many molecules of NO2 are produced when 4.16 mol of ammonia is completely reacted a. 16.64 b. 5.01 X 1024 c. 2.51 1024 d. 191 e....
8) Methanol, CH3OH, is derived from natural gas and is blended with gasoline to make 8) gasohol. If the combustion of methanol produces carbon dioxide and water, what is the coefficient of oxygen in the balanced equation? _cH3OH(g) +-O2(g) spark-CO2e) . _H2Og) A) 1 B) 3 D) 2 E) none of the above 9) What is the mass of 2.50 L of sulfur dioxide gas, SO2, at STP? 9) A) 56.0 g B) 25.6 g C) 1.14 g D) 0.875...
1) What is the term for a compound containing two nonmetals? A) binary acid B) ionic compound C) molecular compound D) ternary acid 2) The compound TiO2 is classified as which of the following? A) binary acid B) ionic compound C) molecular compound D) ternary acid 3) What is the name for S2-? A) sulfur ion B) sulfide ion C) sulfite ion D) sulfate ion 4) What is the chemical formula for the nitrite ion? A) NO3- B) NO32- C)...
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