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What mass of iron(iii) oxide is produced from 2.00 moles of iron given 2fe + 3h2o -> Fe2o3 + 3H2. Show work to receive full credit.
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The Earth receives approximately 2 x 1014 kJ/s of solar energy. What mass of solar material is converted into energy each second to produce this much energy
A dessert contains 131.55 g of vanilla ice cream, 90g of fudge sauce, and 40.0 g of nuts. What is the total weight, in pounds, of the dessert?
What is the volume of a solution with a concentration of 1.2 M that contains 12 g of NaOH?
Do you notice any trends or can you make any generalizations about where certain types of liquids fall on the pH scale?
The combustion of naphthalene (C 10 H 8 ), which releases 5150.1 kJ/mol, is often used to calibrate calorimeters. A 1.05 - g sample of naphthalene is burned in a calorimeter, producting a temperature rise of 3.86 degrees ...
A sample of cobalt (II) chloride hydrate starts with a mass of 3.35 g. After heating, the sample mass is 1.83 g. What is the molar ratio of water to cobalt chloride? What is the correct chemical formula
You are required to read the following case study and prepare a Project Feasibility Study and Timeline based on the information contained in the case study. Residential Duplex Development Project You own a real estate ...
A 1.000 g sample of copper metal is heated in a crucible and after 15 minutes themass of the crucible contents is 1.111 g. Calculate the mass of copper (II) oxide that was produced.
A chemist adds 75.0 mL of a 1.92 M nickel(II) chloride (NiCl2) solution to a reaction flask. Calculate the millimoles of nickel(II) chloride the chemist has added to the flask. Round your answer to 3 significant digits.
A compound contains only carbon, hydrogen, and oxygen. Combustion of 10.68 mg of the compound yields 15.48 mg CO2 and 7.39 mg H2O. The molar mass of the compound is 182.2 g/mol. What are the empirical and molecular formu ...
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