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Question- Could CaCl2 melt ice at -36 degrees Celsius? Assume that the solubility of CaCl2 at this temp is 70.1 g CaCl2/100 g of H2O and that the van't Hoff factor for a saturated solution of CaCl2 is i=2.5.
What is the minimum amount of CaCl2 that would be required to melt ice on sidewalks at the above temperature? Use 100 g of water as the amount of solvent.
I need help for above question. Show each steps for the above problem.
What mass of solid silver chloride will precipitate from a solution containing 1.5 grams of calcium chloride if an excess amount of silver nitrate is added? CaCl2(aq) + 2AgNO3(aq) = 2AgCl(s) + Ca(NO3)2 (aq)
An aqueous solution at 18C contains H2SO4 and H20 and the mixture has a specific gravity of 1.382. Assuming that the H2SO4 and H20 mix ideally what would the density of pure water be
Could you please tell me between water and alcohol, which one is more polar. and why. (please, as detailed as possible). What factors need to be considered to compare the polarity of 2 molecules.
calculate the concentrations of the h or h3o ion in a 0.5 m hf solutiona. h concentration 7.7 x 10-1 mb. h
Presume compounds A and B react to form C as shown below. If the reaction forms 6.14g of C, Explain what are the minimum quantities of A and B (in grams) that one would need to use, presuming that the percent yield of C is 100%.
Which of the following is true for a system whose equalibrium constant is relatively small? a.) it will take a short time to reach equalibrium.
State a balanced reaction that describes how sodium bromide as well as sulfuric acid will produce hydrobromic acid
draw the structures for all the products obtained from the Diels - alders reaction of 2 methyl 1,3 butadiene and propene
What volumes of 0.46 M HNO2 and 0.49 M NaNO2 must be mixed to prepare 1.00 L of a solution buffered at pH = 3.40
Calculate work (in kJ) when 422 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 445 K:
Can someone help me locate the tetrahedral stereocenters and how many sterioisomers are possible for the following structures please
How many seconds after the start of the reaction does it take for the reactant concentration to decrease to 0.0131 M?
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