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What mass of Cu is deposited on an automobile trim piece if plating continues for 1.25 h at a current of 3.7 A?
Determine the solubility product constant for silver fluoride at this temperature. It is not what is listed on the chart on page 773 because that chart is only for use at 25 deg C.
The heat of fusion of acetic acid, the principal organic component of vinegar, is 45.9 cal/g.How much heat (in kilocalories) is required to melt 3.65 mol of solid acetic acid
What is the pH of a solution made by mixing 100.00 mL of .20 M HCl with 50.0 mL of .10 M HCl. Assume that the volumes are additive
which is used as a sugar substitute, is produced by the reduction of D-xylose. Draw xylitol. show all hydrogen atoms, and connect the appropriate atoms using bonds
determine number of moles of oxygen molecules are in the cylinder if the volume of the cylinder is 5500 ml and the
Find the mass in grams of PbCl2 in the products. In a test tube you have 1.0 mL of 0.10 M of NaCl mixed with 1.0 mL of 0.10M of NaCl. 2 NaCl + Pb(NO3)2 --> PbCl2 + 2 NaNO3
Calcium phosphide reacts with water according to the equation. Using 84.0g of Ca ?P? and 36.0g of H?O, What volume of PH? will be produced at 273 K and a pressure of 1520 torr
when a metal was exposed to light at a frequency of 4.63*10^15 Hz, electrons were emitted with a kinetic energy of 3.10*10^-19 J.
Which of these names and formulae do NOT match correctly?
What is the composition of anti-dust chalk? What are differences between normal blackboard chalk and anti-dust chalk? What made anti-dust chalk anti-dust? Explain in details.
Consider a 100.0 mL of buffer solution that is 0.50 M CH3COOH and 0.50 M NaCH3COO. What is the pH of the solution after 10.0 mL of 1.0 M NaOH is added.
What is the heat change in J associated with 37 g of gaseous methanol at 89 oC changing to liquid at -64 oC?
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