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Suppose that 3.50 g of solid potassium chromate is added to 75.0 mL and 0.250 M Mg(NO3)2(aq).
a) What is the initial molarity of potassium chromate in the solution?
b) What mass of potassium is present in solution? Write the formula for the precipitate that forms. Assume a final volume of 75.0 mL.
NO2 then interacts withUV light according to the following reaction. Classify this reaction as a synthesis, decomposition, single-displacement, or double-displacement reaction.
the pressure of a gas is 817 torr at 55degc. the quantity of the gas is fixed and the volume remains constant as the
What is the total anion concentration (in mEq/L) of a solution that contains 6.0 mEq/L Na+, 13.0 mEq/L Ca+
needed to titrate 45.25 mL of NaOH. Calculate the moles of NaOH needed for the reaction. Calculate the Molarity of the NaOH solution
Calculate the potential of a galvanic cell with two platinum electrodes, the one immersed in a solution that is .0301 M in \(Fe^{3+}\) and .0760 M
Determine the mass of phosphorus (P) is required to make 39 grams of this product?
What is the the structures of both products and how can you distinguished them using IR spectroscopy?
A compressed gas cylinder contains 1.00 x 103 g of argon gas. The pressure inside the cylinder is 2050 psi at a temperature of 18oC. How much gas remains in the cylinder if the pressure is decreased to 650psi at a temperature of 26oC?
As part of an internship in a petrochemical company you are given the task of identifying the fractions coming off the distillation tower. The current fraction shows a 1H NMR with only peaks for methyl (CH3) and methylene (CH2) groups
Based on the fact that the alloy has an HCP crystal structure, what general processing technique would you consider for the processing of the turbine blade? Explain your choice.
Explain how many moles of nitrogen n2 are in 0.650 mol of ammonium carbonate (NH4) CO 3. Explain how many grams of this compound supply this much nitrogen
Draw the acid/base balanced reaction when 4-methylphenol is reacted with 50% potassium hydroxide solution
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