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If the copper is drawn into wire whose diameter is 8.50 mm, how many feet of copper can be obtained from the ingot? The density of copper is 8.94 rm{g/cm^3}.
A flask contains 0.110 mol of liquid bromine, Br2. Determine the number of bromine molecules present in the flask.
A chemistry student prepares acetone by decomposing 12.3 g of calcium acetate. If the student collected 2.50 g of acetone and the theoretical yield is 3.42 g.
Determine what would be the concentration of the final solution If you take a ten mili litres portion of the stock solution and dilute it to a total volume of 0.250 Litres,?
Compute the final temperature of the mixture (assuming no heat loss to the surroundings). The heat capacities of H2O(s) and H2O (l) are 2.08 and 4.18 J/g · °C, respectively, enthalpy of fusion for ice = 6.02 kJ/mol.
An unknown element, X, reacts with chlorine to form a compound with the formula XCl2. Which element is most likely to be element X?
The stopcock between a 3.00 L bulb containing oxygen at 295 torr and 1.00 L bulb containing nitrogen at 530 torr is opened. What is the total pressure of the mixture.
What volume of 4.7 M NaOH is required to react completely with 1.7 mL of a 1.51 M HCl solution?
8.0 moles of CO2 and 9.0 moles of H2O are places in a 5.0L vessel. When equilibrium is established, [C2H4]=0.45 M. Calculate Keq
A compound contains 43.64% P with the remainder being oxygen. What is the empirical formula of the compound?
boron has two naturally occuring isotopes,, 10B (19.9%) and 11B(80.1. althought the b2 molecule doesn not exist naturally on earth, it been been produced in the laboratory and been observed in stars..
How much salicylic acid is required to produce 1.1 x 102 kg of aspirin assuming that all of the salicylic acid is converted to aspirin
On heating 5.03 g of hydrated barium chloride, 4.23 g is left behind. What is the name of this hydrate?
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