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Calculate the mass of KI in grams required to prepare 8.00 multiplied by 102 mL of a 1.00 M solution
In heating an organic compound strongly with metallic sodium, one frequently observes the formation of a blck material, which is insoluble in water
What is the enthalpy of this reaction? Assume that no heat is lost to the surroundings or to the coffee cup itself.
concentrated sulfuric acid 18.4-molar h2so4 has a density of 1.84 grams per milliliter. after dilution with water to
A scientist has a sample of gas that was collected several days earlier. The sample has a volume of 392 cm3 at a pressure of 0.987 atm and a temperature of 21°C.
A thermometer containing 9.5 of mercury has broken. If mercury has a density of 13.6 , what volume spilled?
the molar heat capacities of iron and gold are 25.19J/(mol*degrees celsius) and 25.41 J/(mol*degrees celsius), respectively. what is the final temperature of the water and pieces of metal?
a solution is prepared by dissolving 4.21 g of a nonelectrolyte in 50.0 g of water. If the boiling point increases by 0.203 C what is the molar mass of the solute? The boiling point elevation constant for water is 0.512 C/.
How do you write and balance this chemical equation a mixture of benzoic acid (C7H6O2 or C6H5COOH) and 4-t-butylphenol (CH3)3CC6H4OH
1. H2O2(aq) acting as an oxidizing agent in acidic solution. Write the balanced half reaction?
Using the values for the heat of fusion, specific heat of water, and or heat vaporization, calculate the amount of heat energy in each of the following
The density of silver is 10.5 g/mL. What is the mass (in grams) of a piece of silver with a volume of 23.6 mL
Use the systematic treatment of equilibrium to determine the pH and concentrations of species in 1.00 L of solution containing 0.070 mol lysine (HL), 0.055 mol aspartic acid (H2A), and 0.0080 mol NaOH. Consider just acid-base chemistry.
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