uCULIONIS. Assume 171 grams of diborane, BH reacts with excess oxygen, O, The problem requires that...
Assume 117 grams of iron(III) oxide, Fe o reacts with excess hydrogen, H. The problem requires that you determine the mass of iron, Fe, formed from this reaction. Fe, O (s) + 3 H (9) 2 Fe(s) + 3 H2O(1) 1 mol Fe 0, reus 159.70 g Fe,0, 55.85 g Fe --=81.8 g Fe Imol Fe
Select the missing conversion factor for the following set of calculations. Assume 36.8 grams of hydrazine, NH, reacts with excess oxygen, O. The problem requires that you determine the mass of water, H, O, formed from this reaction. NH (0) + 30 (9) 2 NO () + 2 HO(g) 36.8 g N,HX- 2 mol H,0 1 mol NH 18.02 g H,0 = 41.4 g 1,0 1 mol H2O
Phosphorus reacts with oxygen to form diphosphorus pentoxide, P,Os. 4P(s) + 50,(8) - 2P,0,() How many grams of P, O, are formed when 3.11 g of phosphorus reacts with excess oxygen? Show the unit analysis used for the calculation by placing the correct components into the unit-factor slots. 3.113 px ( ) ( ) ( ) g Pos Answer Bank 1 mol O, 1 mol P 4 mol P 141.94 g P,0, 2 mol P,0 5 mol O, 1 mol...
d) how many grams of hydrochloric acid are produced when 7.11x1024 molecules of water react? 9. Consider the following reaction: BaHo + MM - 27.68 3 O2 → MM - 32.00 2 HBO2 MM - 43.82 + 2 H2O MM - 18.02 a) If 88.2g of diborane, BaHo, are reacted with 125.7g of oxygen, what is the theoretical yield of water? b) Which reactant is the limiting reactant? c) Which reactant is in excess? d) How many grams of the...
If 5.00 L of water vapor at 50.2 'C and 0.121 atm reacts with excess iron, how many grams of iron(III)oxide will be produced? 2 Fe(s) + 3 H,O(g) + Fe,0,() + 3H, (B) mass:
heat 4 Fe(s) +3 CO,(g) 2 Fe,0,(6)+3 C(s) Calculate the number of grams of Fe, O, needed to react with 20.0 g C mass of Fe,O,: Phosphorus reacts with oxygen to form diphosphorus pentoxide, P,O, 4 P(s) +50,(g)2P,0,(6) How many grams of P,O, are formed when 3.11 g of phosphorus reacts with excess oxygen? Show the unit analysis used for the calculation by placing the correct components into the unit-factor slots. g P,O X 3.11 g PX Answer Bank I...
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)...
Phosphorus reacts with oxygen to form diphosphorus pentoxide, P,O. 4P(8) +502(8) 2P,0,() How many grams of P,0, are formed when 6.95g of phosphorus reacts with excess oxygen? Show the unit analysis used for the calculation by placing the correct components into the unit-factor slots. 696 5Px (+ 6.95 PX ) ( ) ( ) ( «P,0, Answer Bank 141.94 g P,0 30.97gP 1 mol P,0, 1 mol P 5 mol 0, 1 molo, 32.0050, 2 mol P,0, mol P How...
6. Calcium oxide reacts with nitric acid to produce calcium nitrate and water. How many grams of calcium oxide are required for complete reaction with 30.0 mL of 0.587 M nitric acid? The molar mass of calcium oxide is 56.077 g/mol. (Hint: start by writing the balanced equation for the reaction.) 7. A sample contains an unknown amount of succinic acid, H2CHO. If 0.3540 g of the sample requires 42.70 mL of 0.1000 M NaOH to neutralize the H2C,H404 completely,...
Calculate the heat evolved when 0.500 g of Cl, (g) reacts with an excess of HBr (g) to form HCI (g) and Br, (0, given the following standard enthalpies of formation (kJ/mol): HCI (B), - 92.30; HBr (g), -36.20. Ryan Experiment 4 Advance Study Assignment: Determination of a Chemical Formula 1. To find the mass of a mole of an element, one looks up the atomic mass of the element in a table of atomic masses (see Appendix III or...