Calculate the molarity of a solution of glycerol made
Calculate the molarity of a solution of glycerol made by dissolving 50.000 glycerol at 15 in enough water to make 330.00 of solution.
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Iron ore is produced through the following reaction in a blast furnace. If 4.00kg of iron(III) oxide reacts, how many moles of carbon monoxide are needed?
The half-life of a certain radioactive element is 1,250 years. What percent of the atoms remain after 7,500 years?
For the equation below, identify the substance oxidized, the substance reduced, the oxidizing and reducing agent, and write the oxidation and reduction half reactions: 2H2 + O2 yields 2H2O
When heated to 350 at 0.950 , ammonium nitrate decomposes to produce nitrogen, water, and oxygen gases:
The pressure of a sample of gas at 10.0 C increases from 700. mm Hg to 900. mm Hg. What is the new temperature?
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Calculate the pH of a buffer solution obtained by mixing 400.0 mL of 0.200 M acetic acid solution and 100.0 mL of a 0.300 M sodium hydroxide solution.(The pKa of Acitic Acid, CH3OOH is 4.74)
Draw three simple molecules that illustrate the geometry of each states.Define" reduction" with reference to organic reactions.
How do you calculate the vapor pressure of water above a solution prepared by dissolving 34.9 g in glycerin (C3H8O3) to 107 g of water at 343 K?
Interpet the given equation in terms of relative numbers of representative particles, numbers of moles, and masses of reactants and products: 2 K+ 2H2O= 2KOH+H2
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