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A gaseous mixture containing 25.6g of dinitrogen tetraoxide gas and 40.0g of zinc metal react to form nitrogen monoxide gas and zinc nitrate. The reaction yielded 5.60g of nitrogen monoxide. ( must be typed in report, SHOW ALL WORK TO RECEIVE CREDIT) a. Write a balance equation for reaction. b. What is the limiting reagent c. What is theoretical yield of nitrogen monoxide in grams d. How many moles of excess reactant remain e. What is the % yield of the reaction
a large cylinder of He gas,such as that used to inflate balloons,has a volume of 25.0 L at 22c and 5.6 atm. How many moles of He are in such a cylinder
A sample of gas (24.2 g) initially at 4.00 bar was compressed from 8.00 L to 2.00 L at constant temperature. After the compression, the gas pressure was ________ bar.
The below table lists pressure and volume measurements for air in a cylindrical piston of an air compressor. The variables may be assumed related by: PV^k=C
Estimate the total calories in a slice of bread that has 9.0 g of carbohydrates, 2.0 g of protein, and 1.0 g of fat. What percentage of total calories is from fat?
A sample containing 4.80 g of O2 gas has a volume of 15.0 L. Pressure and temperature remain constant. What is the new volume if 0.500 moles of O2 gas is added?
What volume of 0.160 M of Li2S solution is required to completely react with 125 mL of 0.160 M of Co(NO3)2
The acid-dissociation constants of phosphoric acid (H3PO4) are Ka1 = 7.5 × 10-3, Ka2 = 6.2 × 10-8, 25) and Ka3 = 4.2 × 10-13 at 25.0 °C.
The equation for the combustion of acetone is: 2 C3H6O + 8 O2 ---> 6 H2O + 6 CO2 + 852.6 kcal How much heat will be given off if 0.87 mol of acetone is completely burned?
A paint company mixes it's paint with water to create more paint per gallon. They currently have ten gallon jugs which contain 10% water.
A sample of gas with a volume of 750 mL exerts a pressure of 98 kPa at 30 ?C.What pressure will the sample exert when it is compressed to 250 mL and cooled to -25 ?C?
What is the percent yield of a reaction in which 228 g phosphorus trichloride reacts with excess water to form aqueous phosphorus acid (H3PO3) and 129 g HCl?
A 493 mL sample of solution contains 33.2 g of CaCl2 Calculate the molar concentration of Cl in this solution
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