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A current of 5.64 A is pass through a Ni(NO3)2 solution. How long (in hours) would this current have to be applied to plate out 8.80 g of nickel
Write half reactions for the anode and cathode and the write a balanced cell reaction. Please include the states of matter in the equation
A common way of removing Cr3+ from solution is by precipitation of Cr(OH)3(s). An environmental engineer tells you that adjusting the pH to 8.5 will decrease total soluble Cr(III) to below 1 mg/L (1.92 x 10-5 M). Is this true?
Which of the following compounds will produce an acidic solution when dissolved in water? What is the OH- (hydroxide ion) concentration in a solution with pOH = 2.45.
Important information about Ethers and Alcohols, Ethers and Alcohols can be isomeric. Write the structures, and give the names for all possible isomers
What is the final temperature of the water when equilibrium is reached? (Assume a density of 0.998 (g/mL) for water.)
What is the pH of a buffer that results when 0.50 mole of Na3PO4 is mixed with 0.75 mole of HCl and diluted with water to 1.00 L?
In Flask A, you reacted 1.65 g Mg with 0.136 mol HCl. In Flask B, you reacted 2.21 g Mg with 0.098 mol HCl. Which ballon will inflate the most?
If 100.0 grams of copper (Cu) completely reacts with 25.0 grams of oxygen, how much copper(II) oxide (CuO) will form from 140.0 grams of copper and excess oxygen?
A sample of gas occupies 1.55L at STP. Remember, pressure at STP is 1.0 atm. What will the volume be if the pressure is increased to 50 atm while the temperature remains constant
if 510 grams of sodium hydroxide reacts, how many grams of magnesium nitrate are needed for complete reaction?
discharged into a small stream saturated with oxygen from the air at 25 celcius. How many liters of this water could be contaminated to the extent of removing all the dissolved oxygen by biodegradation?
suppose the hydrate was heated too quickly and some of it was lost as it spattered out of the container . explain how this would effect .
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