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The following items are obtained from he Stockholm for the construction of a galvanic cell: two 250ml bearers and a salt bridge, a voltmetere with attached wires and clips, 200ml of a.0080M CrCl3, 200 ml of .12M CuSO4, a piece copper wire, and a chrome-plated piece of metal.
Draw and label the galvanic cell, then write and identify he two half-life reactions and write the overall cell reaction. Calculate E.
Write the cell diagram for the galvanic cell and calculate the expected cell potential
The equilibrium point is reached at 120 seconds. After 200 seconds has passed, what is the concentration of sulfates in the drinking water sample.
Suppose that each sphere represents 6.7×1021 molecules and that the volume of the container is 1.0 L. What is the rate constant for the reaction in the usual units?
A 1.43-L flask is filled with propane gas (C3H8), at 1.00 atm and -23.0°C. What is the mass of the propane in the flask?
What is the expected freezing point of an aqueous solution of 2.62 kg of nitric acid, HNO3 , in a solution with a total mass of 5.91 kg? Assume that the nitric acid is completely ionized.
Given the following informationp redict whether or not the hypothetical ionic compound AX is likely to form. In this compound, A forms the A+ cation, and X forms the X?anion. Be sure to justify your answer.
The bonding in BF3 requires formation of hybrid orbitals on boron. If the molecule is oriented in the xy plane, what is the identity of the unfilled p orbital on boron.
Why is molarity not the best means of stating acid strength? Is molarity the most representative form of quantifying acids and bases?
What mass of sodium azide is required to provide the nitrogen needed to inflate a 47.0 L bag to a pressure of 1.2 atm at 47 C.
Calculate the amount of water (in liters) that a camel can produce from 1.0 kg of fat. Assume for simplicity that the fat consists entirely of tripalmitoylglycerol. please show work how you arrive with the answer.
calculate the quantity of heat produced when 19.0g of propane is completely combusted in air under standard conditions. Assume that liquid water is forming.
How much heat is evolved when 265 g of ammonia gas condenses to a liquid at its boiling point
The normal boiling point of ethanol is 78.4 C, and the heat of vaporization is Delta H vap = 38.6 kJ / mol.
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