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An antique automobile bumper is to be chrome plated. The bumper, which is dipped into an acidicCr2O7-2 serves as a cathode of anelectrolytic cell. If the current is 10.0 Amperes, how long will it take to deposit 200. grams of Cr(s) onto the bumper?
Why is it particularly important to wash the cupric hydroxide intermediate in the synthesis of cupric acetate (verdigris)? Be specific about what is being removed and why it matters.
an automobile gasoine tanks holds 42 kg of gasoline. when the gasoline burns 147 kg of oxygen are consumed and carbon
an 8.4 g ice cube is placed into 260 g of water. calculate the temperature change in the water upon the complete
which of these solutions has the lowest freezing point?a. 0.25 m naclb. 0.5 m naclc. 1.5 m nacld. 2.0 m
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?
the solubility of oxygen gas in water at 25degc and 1.0 atm pressure is 0.041 gl. what is the solubility of oxygen in
A Reaction has a rate constant of 1.22*10^-4 /s at 20 degrees Celsius and 0.227 /s at 75 degrees Celsius. 1. Determine the activation energy for the reaction (kJ/mol)
If the curves A and B refer to two different gases, He and O2 at the same temperature, which is which. and Why.
Draw all of the possible constitutional and geometric isomers for monobromination of ethylcyclohexane. Label each isomer as chiral or achiral. Mark chiral centers with an asterisk (*).
Explain what health risks may arise people use this hot water in the preparation and cooking and what is the equilibrium constant for this reaction
C3H8(g)+5O2(g)->3CO2(g)+4H2O If 465 mL of oxygen at STP is used in the reaction, what volume of CO2 measured at 37 degrees C and 0.973 atm, is produced?
What is the volume of a gas at T=35.0C and P=675 torr if the same sample occupied 42.6L at T=-27.3C and P=1.000 atm.
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