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10) Determine how much oxygen (in grams) would be needed to fully combust 100g of Ethylene...
What mass of oxygen is consumed by the complete combustion of 7.0 grams of ethylene, C2H4? Molar mass of C2H4 = 28.05 g/mol C2H4(g) + 3 O2(g) → 2 CO2(g) + 2 H2O(g) Which of the following can donate a proton, H+, to water? o C2H6 Ο ΚΙ O HBr O NH3
How many grams of carbon dioxide can form when a mixture of 3.20 g ethylene (C2H4) and 5.90 g of oxygen is ignited, assuming complete combustion to form carbon dioxide and water? Give the answer again with the correct number of significant figures.
6. Answer the following questions regarding the reaction below. a. How many grams of hydrogen would be needed to produce 5.450 x 106 kJ of energy? Assume excess oxygen? How many grams of oxygen would be needed to produce 2.725 x 106 kJ of energy? Assume excess hydrogen? Determine the value of q for the formation of 6.542 grams of water. Determine the value of q for the conversion of 6.542 grams water into hydrogen and oxygen gas. b. c....
Homework - Unanswered How many grams of oxygen and carbon dioxide are consumed and formed, respectively, during the combustion of 100 grams of ethylene, H2C=CH2? O A 343; 313 0 B 171; 157 O C 513; 471
How much propane, C5H12 (l), in both g and mL would you need to combust in order to produce enough heat to heat up 2 cups of water, or approximately 5.00 x 102 mL, from 22.0 ̊C to 95.0 ̊C? Assume that all the heat from the combustion directly goes to heating the water, no heat is lost to the surroundings. (density of water is 1.00 g/mL and density of C5H12 is 0.624 g/mL; ΔH°f, pentane = 121.7kJ/mol; use your...
QUESTION 1 How many grams of NaCl are needed if we want to make 9.025 moles of AgCl by the reaction NaCl + AgNO3 ———> AgCl + NaNO3 QUESTION 2 How many grams of O 2 would be needed to react with 3.933 moles of CS 2 in the reaction CS2 + 3 O2 ———> CO2 + 2 SO2 QUESTION 3 How many grams of PbSO 4 will be produced if we produce 25.59 grams of NaNO 3 in the reaction Pb(NO 3) 2 + Na 2SO 4 ———> PbSO 4 + 2 NaNO 3 QUESTION 4 How...
2 KCIO, 2 KCI + 30, 10. How many grams of O, will be formed from 3.76 grams of KCIO. 3.76g KCIO. I mol KCIO, mol - 80 122.55 g KCIO,_mol KCIO, _mol O, 11. How many grams of KCIO, are needed to make 300 grams of KCI? 30.0 g KCI m ol KCI mol KCIO, _ KCIO, — g KCI - mol KCI Lmol KCIO, 12. How many grams of KCl will be formed from 2.73 g of KCIO,?...
Problem 3 How much heat is needed to completely vaporize 30 grams of ice, initially at 5°F. (10 points)
1.3. How much gram of hydrogen is needed to operate a 50 kW hydrogen/oxygen fuel cell for 3 hours? The potential of the cell is 0.7 V (remember that Power-IV). Molecular weight of H2 is 2 g/mol. The reaction at the anode is H2 2H+ 2e
VO V205 1. Vanadium and oxygen react to make vanadium (V) oxide. How many grams of vanadium and - oxygen are needed to make 85 g of vanadium (V) oxide? Ans. 48 g of vanadium and 37 g of oxygen. 2( 50, 942) +5lis.499 ) 85g U2O5 x 1 mol v2 og 181.879 gvos k 181.87ague5 Imol v₂O5 2. Iron(III) oxide can be converted to iron metal and water by heating it with hydrogen gas. If 100 g of iron(III)...