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Write balanced equations for the following chemical reactions:
a) Solid lead(II) iodide forms when aqueous solutions of potassium iodide and lead(II) nitrate are mixed. Write the molecular equation and include state symbols.
b) Solid copper(II) hydroxide forms when aqueous solutions of sodium hydroxide and copper(II) sulfate are mixed. Write the net ionic equation and include state symbols.
c) Magnesium metal reacts with aqueous hydrochloric acid to produce hydrogen gas and aqueous magnesium chloride. Write the molecular equation and include state symbols.
pouring liquid nitrogen onto a balloon decreases the volume of the balloon dramatically. once the liquid nitrogen is
Explain what is the pH of a sodium acetate solution prepared by adding 0.820 grams of sodium acetate to 100.0 ml of water at 25.0oC? The Ka at 25.0 oC for acetic acid is 1.8 × 10-5
-13 degrees C air pressure in an auto tire is 1.5 atm. if the volume does not change, what is the pressure after the tire has warmed to 15 degrees C?
What is the final product of acid-catalyzed hydrolysis of starch. What tests will be positive with that product. Write the reactions.
Calculate the molar mass of a nonelectrolyte that lowers the freezing point of 25.00 g of water to 3.9°C when 4.27 g of the substance is dissolved in the water.
.493g of H2SO4 is reacted with a .568 M solution of NaOH to make sodium sulfate and water. How many liters of H2SO4 will react with .633 L of the NaOH solution.
Consider three different compounds of the hypothetical element X using the table of bond lenghts as a reference, rank the three compounds shown below in order of increasing
Problem- How many milliliters of a 1.0 M bromine (Br2) in CH2Cl2 solution are there in 1.1 molar equivalents of the N, N- dimethylaniline (above). How many moles are there in 7.0mL of N, N- dimethylaniline
If 18.4 mL of 0.800 M HCl solution are needed to neutralize 5.00 mL of a household ammonia solution, what is the molar concentration of the ammonia?
The enthalpy of combustion of benzoic acid (C6H5COOH) is commonly used as the standard for calibrating constant-volume bomb calorimeters; its value has been accurately determined to be 3226.7 kj?mol
calculate the osmotic pressure in mm hg of 6.00 l of an aqueous 0.889 m solution at 30.degc if the solute concerned is
Assuming gasoline is 89.0% isooctane, with a density of 0.692 g/mL, what is the theoretical yield (in grams) of CO2 produced by the combustion of 1.56 x 1010 gallons of gasoline
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