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Question 5 0/1 pts Give the theoretical yield, in moles, of CO2 from the combustion of...
Question 3 3 pts What is the theoretical yield for CO2 in cellular respiration below if you start with 125 grams of CH2O, and excess oxygen? CH2206+602 -->600, +6H,0 Molar Mass of CO, 44,01 g/mol Molar Mass of C,H,O. 180.18 g/mol Question 4 3 pts What is the percent yield for a reaction that actually makes 245g and had a theoretical yield of 33.0g? xewa
Octane C8H18 is burnt in excess oxygen to give CO2 and water. -5 pts Enthalpy of reaction _C8H18 (1) + O2( → _ _CO2 (g) + _ _ H2O(g) AH = - 10, 922kJ/mol Rxn 1) Is the reaction exothermic or endothermic 2) 2) Balance the reaction. 3) Calculate the energy change when 1 .0L of octane ( d= 0.69g/ml) is burnt in excess oxygen
Give the theoretical yield, in moles, of CO 2 from the reaction of 4.00 moles of C8H 18 with 4.00 moles of O 2. 2 C8H 18 + 25 0 2 16 CO 2 +18 H 20 0.640 moles 2.56 moles 64.0 moles 16.0 moles
In the combustion of ethanol according to the UNBALANCED reaction below, find the theoretical yield of CO2 in grams if we begin with 1000g of C2H5OH C2H5OH(I) + O2(g) --> CO2(g) + H2O(1) give your answer to 2 decimal places Useful information: H= 1.01 g/mol C = 12.01 g/mol O = 16.00 g/mol hint: balance the reaction first! 1 pts
HQ3.01 Homework - Unanswered How many moles of oxygen atoms are in 9.2E-1 moles of CO2? Only give the numeric value of your answer. Don't include the units. Respond with the correct number of significant figures in scientific notation (Use Enotation and only 1 digit before decimale.g.2.585 for 2.5 x 10") Numeric Answer
ACCOUNT Question 4 10 Points How many moles of oxygen are required to produce 200.0g H2O? BLANK-1 mol O2 BLANK-1 Add your answer Question 5 10 Points How many grams of oxygen are needed to produce 250.0 g of CO2? BLANK-1 g 02 BLANK-1 Add your answer Question 6 10 Points How many grams of C8H18 are needed to form 4.00 L of CO2 gas? BLANK-1 8 C8H18 BLANK-1 Add your answer Question 7 10 Points How many liters of...
Question 5 0/ 1 pts If the magnesium strip weighed 0.592 g, what would the theoretical yield (in grams) of H2 gas be? Report your answer with 4 digits behind the decimal point.
how many grams are in 81 mg aspirin sample Question Completion Status: QUESTION 5 The combustion of 0.374 kg of methane in the presence of excess oxygen produces 0.983 kg of carbon dioxide. What is the percent yield? 38.1 % 95.8% 37.4% 0.958 % QUESTION 6 How many moles of C,Hare required to produce 7.20 mol H,O? CH () * 504 (8) – 3 CO2 (4) + 4 HQ (g) Save All Aron Click Save and Submit to save and...
help with All 8 questions please Question 13 2 pts How many moles of carbon are there in 19.3 g of sucrose, CH120.? Use 180.16 g/mol as the mw of ose. Give your answer three decimal places. su Question 14 3 pts A sample of C6H12 has 34.5 g of carbon. How many moles of CH 12 are there? Use 12.01 g/mol as the mw of carbon and 84.16 g/mol as the mw of C6H12. Give your answer to three...
Question 3 1 pts What is the theoretical yield (in grams) of phosphorus pentachloride when 3.39 g of phosphorus reacts with 28.4 g of chlorine according to the following reaction: P415) + 10 Cl2 → 4 PC15 (1) Use the correct number of significant figures, fill in! the number ONLY! Question 4 6:02 PM 10/28/2019 1 D a 1x