Find the formula of the orginal copper substance
A 5.05g sample of a copper substance was heated in air and 6.32g of copper II oxide was formed. what was the formula of the orginal copper substance?
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Kelly's Boutique is contemplating several means of financing their acquisition of $100,000 in special equipment. One alternative is to borrow $100,000 from a local bank for 10 years at 12 percent per annum.
Bert Company budgets sales of $1,090,000, fixed costs of $66,200, and variable costs of $294,300. What is the contribution margin ratio for Bert Company?
How the Reserve Bank Of Australia's decision to decrease interest rates would affect the following business sectors: Financial Intermediaries, Individual Households and Small Business Owners.
In an experiment, 6.00 g of Mg(s) was reacted completely with O2(g) to form MgO(s) and 148.5 kJ of heat was evolved. What is the molar enthalpy in kJ/mol of formation of MgO(s)?
Wages earned by employees during November 2012, unpaid and unrecorded at November 30, 2012, amounted to $3,800. The next payroll date will be December 5, 2012.
Transfer the product to Data Equipment by December 31 and agree that the customer could return it for a full refund after it arrives at Data Equipment's warehouse.
The Henry's Law constant KH for O2 in water at 20 degrees C is 1.28 x 10-3 mol L-1atm-1. How many grams of O2 will dissolve in 2.0 L of H2O that is in contact with pure O2 at 1 atm?
When chemists are preparing dilute acid solutions in water they follow the proverb "Always add acid" Explain why this is a good idea. What would happen if the water is added to the acid?
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