1. When 2.50 g of copper metal reacts with molecular oxygen, the copper oxide product of the reaction has a mass of...
1. When 2.50 g of copper metal reacts with molecular oxygen, the copper oxide product of the reaction has a mass of 2.81 g. What is the empirical formula of the copper oxide product
2. When 10.8 g of silver was reacted with sulfur. 12.4 grams of product was produced there was only one product). What is the empirical formula of the product?
3. Lysine is a compound composed of carbon, hydrogen, nitrogen and oxygen. When 1.50 g of lysine is burned, 2.72 g of carbon dioxide, 1.29 g of water and 0.287 g of nitrogen gas are produced. What is the empirical formula of lysine? If the molar mass of lysine is 146.19 g/mol, what is the molecular formula?
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1. When 2.50 g of copper metal reacts with molecular oxygen, the copper oxide product of the reaction has a mass of...
1. A 0.750-g sample of tin metal reacts with 0.201 g of oxygen gas to form tin oxide.
1. A 0.750-g sample of tin metal reacts with 0.201 g of oxygen gas to form tin oxide. Calculate the empirical formula of the tin oxide. 2. A 0.565-g sample of cobalt metal reacts with excess sulfur to give 1.027 g of cobalt sulfide. Calculate the empirical formula of the product. 3. A 1.164-g sample of iron filings reacts with chlorine gas to give 3.384 g of iron chloride. Calculate the empirical formula of the product? 4. A 0.626-8 sample of copper oxide...
5. A 0.565-8 sample of cobalt metal reacted with excess sulfur powder to give 1.027 g of cobalt sulfide
5. A 0.565-8 sample of cobalt metal reacted with excess sulfur powder to give 1.027 g of cobalt sulfide Calculate the empirical formula of the product. 6. A 0.750-g sample of tin foil was heated in air and reacted with oxygen gas to give 0.953 g of tin oxide. Calculate the empirical formula of the product. 7. (optional) A 1.000-g sample of red phosphorus powder was burned in air and reacted with oxygen gas to give 2.291 g of phosphorus oxide. Calculate...
f a compound consisting of carbon, hydrogen, oxygen, nitrogen, and sulfur was combusted in excess oxygen. This produced 2.20 g Co2 and 1.20 g H,O. A second sample of this compound with a mass of...
f a compound consisting of carbon, hydrogen, oxygen, nitrogen, and sulfur was combusted in excess oxygen. This produced 2.20 g Co2 and 1.20 g H,O. A second sample of this compound with a mass of 4.86 g produced 3.19 g SO,. A third sample of this compound with a mass of 8.86 g produced 4.57 g HNO,. Determine the empirical formula of the compound. Enter the correct subscripts on the given chemical formula. empirical formula: CHNSO
f a compound consisting...
When solid copper(II) sulfide reacts with oxygen gas (molecular oxygen) , the products are solid copper(II)...
When solid copper(II) sulfide reacts with oxygen gas (molecular oxygen) , the products are solid copper(II) oxide and sulfur dioxide gas .The reaction releases 805.6 kJ of heat. Calculate the enthalpy of formation for copper(II) sulfide.
The reaction of oxygen and copper(i) sulfide produces copper(ii) oxide and sulfur dioxide. What is the...
The reaction of oxygen and copper(i) sulfide produces copper(ii) oxide and sulfur dioxide. What is the mass (in g) of oxygen which is necessary in order to make 25.0g copper(ii) oxide according to this reaction?
002 14. When 10.0 g of phosphorous reacted with oxygen 100 g of phosphorous reacted with...
002 14. When 10.0 g of phosphorous reacted with oxygen 100 g of phosphorous reacted with oxygen, it produced 17.77 g of a phosphorous oxide. This new compound was found to have a formula mass of approximately 220 g/mole. Find the molecular formula,
7. Solid sodium oxide is synthesized from it elements in a reaction that is 45.6% efficient....
7. Solid sodium oxide is synthesized from it elements in a reaction that is 45.6% efficient. How many grams of sulfur must be used in the reaction in order to produce 350.0 g of the product? 8. A 78.91 g sample of ethane, C,H, is completely oxidized in a reaction with 94.21 g of oxygen. What mass of products (in grams) are produced in the reaction? 9. 5.43 x 1023 formula units of sodium phosphate are reacted with 8.32 x...
7. A 0.250-g sample of calcium metal is heated in a 38.500-g crucible to form calcium...
7. A 0.250-g sample of calcium metal is heated in a 38.500-g crucible to form calcium oxide. The resulting crucible and product weigh 38.850 g. Refer to Example Exercise 1 and determine the empirical formula of calcium oxide. DATE DATA TABLE A Empirical Formula of Magnesium Oxide mass of crucible and cover + magnesium metal (before heating) mass of crucible and cover mass of magnesium metal mass of crucible and cover + magnesium oxide (after heating ) 0000 mass of...
3. Acrylic acid, used in the manufacture of some plastics, has the composition 50.0% C, 5.6%...
3. Acrylic acid, used in the manufacture of some plastics, has the composition 50.0% C, 5.6% H, and 44.4% O by mass. What is the empirical formula? 4. Urea contains C, H, N, and O. A 2.54 gram sample of urea is found to contain 0.51 g carbon, 0.17 g of hydrogen, and 1.19 g of nitrogen. What is the empirical formula of urea? 5. Putrescine, a substance produced by decaying animals, is composed of 54.5 % carbon, 13.6% hydrogen,...
Calculate the mass of water produced when 7.44 g of butane reacts with excess oxygen. Express...
Calculate the mass of water produced when 7.44 g of butane reacts with excess oxygen. Express your answer to three significant figures and include the appropriate units. View Available Hint(s) 0.64 Units Submit Previous Answers * Incorrect; Try Again Enter your answer using units of mass. Part Review Constants Periodic Table Calculate the mass of butane needed to produce 61.3 g of carbon dioxide. Express your answer to three significant figures and include the appropriate units. ► View Available Hint(s)...
f a compound consisting of carbon, hydrogen, oxygen, nitrogen, and sulfur was combusted in excess oxygen. This produced 2.20 g Co2 and 1.20 g H,O. A second sample of this compound with a mass of 4.86 g produced 3.19 g SO,. A third sample of this compound with a mass of 8.86 g produced 4.57 g HNO,. Determine the empirical formula of the compound. Enter the correct subscripts on the given chemical formula. empirical formula: CHNSO
f a compound consisting...
002 14. When 10.0 g of phosphorous reacted with oxygen 100 g of phosphorous reacted with oxygen, it produced 17.77 g of a phosphorous oxide. This new compound was found to have a formula mass of approximately 220 g/mole. Find the molecular formula,
7. Solid sodium oxide is synthesized from it elements in a reaction that is 45.6% efficient. How many grams of sulfur must be used in the reaction in order to produce 350.0 g of the product? 8. A 78.91 g sample of ethane, C,H, is completely oxidized in a reaction with 94.21 g of oxygen. What mass of products (in grams) are produced in the reaction? 9. 5.43 x 1023 formula units of sodium phosphate are reacted with 8.32 x...
7. A 0.250-g sample of calcium metal is heated in a 38.500-g crucible to form calcium oxide. The resulting crucible and product weigh 38.850 g. Refer to Example Exercise 1 and determine the empirical formula of calcium oxide. DATE DATA TABLE A Empirical Formula of Magnesium Oxide mass of crucible and cover + magnesium metal (before heating) mass of crucible and cover mass of magnesium metal mass of crucible and cover + magnesium oxide (after heating ) 0000 mass of...
Calculate the mass of water produced when 7.44 g of butane reacts with excess oxygen. Express your answer to three significant figures and include the appropriate units. View Available Hint(s) 0.64 Units Submit Previous Answers * Incorrect; Try Again Enter your answer using units of mass. Part Review Constants Periodic Table Calculate the mass of butane needed to produce 61.3 g of carbon dioxide. Express your answer to three significant figures and include the appropriate units. ► View Available Hint(s)...
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