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If 315 ml of hydrogen gas is collected over water at 25 degrees C at a total pressure of 742 mm Hg , how many grams of Zn reacted?
What volume of a concentrated { HCl} solution, which is 36.0% { HCl} by mass and has a density of 1.179 {g/mL}, should be used to make 5.30L of an {HCl} solution with a {pH} of 1.7.
What is the percent yield of a reaction in which 274 g phosphorus trichloride reacts with excess water to form aqueous phosphorus acid (H3PO3) and 105 g HCl?
A 5.95-g sample of AgNO3 is reacted with BaCl2 according to the equation to give 3.21 g of AgCl. What is the percent yield of AgCl? AgNO3(aq) + BaCl2(aq) --> AgCl(s) + Ba(NO3)2(aq)
when 0.08 moles ammonium chloride are dissolved in enough water to make 677 milliliters of solution, what is the molarity of chloride ions?
How many calories are needed to raise the temperature of 525g of beryllium from 21.0 celsius to 375 celsius?
An Ideal gas originally at a temperature T1 and pressure P1 is compressed reversibly against a piston to a volume equal to one-half its original volume, Draw a diagram of the process in the P-V plane.
To determine the volume of a gas using ideal gas law and evaluate the number of moles of a gas using ideal gas law.
The chlorination of propane yields 4 different dichloropropanes of formula C3H6Cl2. Using the following information to identify dichloropropanes A,B,C,D.
The Chemistry of Nicotine, Nicotine, a component of tobacco, is composed of C, H, and N. A 5.250-mg sample of nicotine was combusted producing 14.242 mg of CO2 and 4.083 mg of H2O
Why is lip gloss long lasting containing petroleum? How many metric tonnes of 5%-S coal would be required to yield the H2SO4 needed to produce a 2.0-cm rainfall of pH 2.00 over an area of 100 square kilometers?
Liquid dimethyl disulfide (CH3SSCH3) flows through a pipe with a mass flow rate of 29.0 g/s. Given that the density of dimethyl disulfide
What mass of solid sodium formate (of MW 68.01) must be added to 110 mL of 0.55 mol/L formic acid (HCOOH) to make a bu?er solution having a pH of 3.84? Ka = 0.00018 for HCOOH
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