Calculate the number of moles of CO2produced when 5.65 grams of C2 H5 OH burns in the presence of sufficient O2. Us...
Calculate the number of moles of HCN produced when 12.4 moles of Ozare consumed. Express your answer using three significant figures. 2 NH3 • 2 CH4 + 3O2--> 2 HCN + 6 H2O Calculate the number of moles of HCN produced when 12.4 moles of Ozare consumed. Express your answer using three significant figures. 2 NH3. 2 CH4 + 3O2--> 2 HCN + 6 Hao Calculate the mass of NO2, in grams, needed to completely react with 25.9 grams of...
Calculate the mass, in grams, of C2 H5OH consumed if 0.293 moles of CO2are produced. Use three significant figures. C2H50H 3 O2--> 2 CO2 3 H20
How many moles of water will be produced if 285 moles of Ozare consumed? Use three significant figures. C2H5OH + 3 O2--> 2 CO2 · 3 H20
Calculate the number of moles of CO2(a) produced when 0.250 mol CH2(g) is burned in the presence of 0.400 mol O2@). CH4(9) + 2 O2(g) + CO2(g) + 2 H2O(g)
Calculate the number of moles of CO2(g) produced when 0.250 mol CH4() is burned in the presence of 0.400 mol O2(g). CHA(a) + 2 O2(g) - CO2a) + 2 H2O(g) 0.500 mol CO2 0.200 mol CO2 0.125 mol CO2 0.400 mol CO2 0.250 mol CO2
Calculate the mass of NH3, in grams, require to produce 96.5 moles of water. Express your answer using three significant figures. 2 NH3 • 2 CH4 • 3 O2--> 2 HCN + 6 Hao
2. C3Hs 5 O2 3CO2 +4 H20 Initial Grams Initial moles Change in moles Final Moles Final Grams Fill in the amounts for the table above given that 100g of C3Hs and 170 g of oxygen are initially available to react. Round to three decimal places when necessary
1- Calculate the following: A- Number of moles in 10 gram of AlBr3. B- Number of Atoms in 10 gram of Al(OH)3. C- Number of molecules in 10 gram of Cr(NO3)5. D- Number of grams in 10 10 atoms of AlBr3. 2- How many gram of Oxygen is in 10 gram of Zn(OH)2? 3- Balance the following chemical equations: A- O2--------------->O3 B-Na++Al(OH)3--------------> C-KI+Mg(NO3)2---------------> D-FeCl3+Ca3(PO4)2---------------> E- C4H12+O2---------------->CO2+H2O 4- Find Oxidized –Reduced and number of electrons: a) 3Ba+N2---------->Ba3N2 OX: RE: Electrons: b)...
Homework Thermochemistry Name: 1. Calculate the mass of O that is produced by photosynthesis when 2.49 x 109 kJ of solar energy is consumed by the following reaction: 6 H20 (1) + 6 CO2 (g) - C&H 20(s) + 6 02 (g) ; AH-2803 kJ 2. Given the following thermochemical equation, what amount of energy is absorbed/given off when 255 g of CuO is reacted. 2 Cu20 (s) - 4 Cu (s) + O2(g) : AH = 333.8 kJ 3....
Assume that an exhaled breath of air consists of 74.9 % N2, 15.2 % O2, 3.9 % CO2, and 6.0 %water vapor. 1) If the total pressure of the gases is 0.990 atm , calculate the partial pressure of N2. Express your answer using three significant figures. 2) If the total pressure of the gases is 0.990 atm , calculate the partial pressure of O2. Express your answer using three significant figures. 3) If the total pressure of the gases...