What is the limiting reagent
when 7.50g of magnesium reacts with 9.50g hydrochloric acid, hydrogen gas is formed. what is the limiting reagent?
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A solution is prepared by mixing 50.0 mL of 0.50 M Pb(NO3)2 with 50.0 mL of 1.7 M KCl. Calculate the concentrations of Pb2+ and Cl ‾ at equilibrium. Ksp for PbCl2(s) is 1.6 multiplied by 10-5.
How much precipitate will be produced if 6.65 g of Ca(NO3)2 reacts completely with excess Na3PO4? The molar mass of Ca(NO3)2 is 164.1 g/mol and the molar mass of Ca3(PO4)2 is 310.2 g/mol.
Suppose that in changing samples, a portion of the water in the calorimeter weere lost. In what way, if any, would this change the heat capacity of the calorimeter?
Lets design the members if they are made of wood(compression and tension design strength = 5000psi) or aluminum (???compression and tension design strength= 20000psi). Do not use any safety factors. Can you use any of the wood or aluminum piece
Explain the only way you could distinguish these two products by NMR spectroscopy. Please see attachment (2 products by NMR spectroscopy)
The rate constant for a certain reaction is k= 5.40×10-3 . If the initial reactant concentration was 0.250 , what will the concentration be after 9.00 minutes?
Describe the difference between population standard deviation and sample standard deviation. Describe a scenario in which you would use each.Other than the calculation of statistics, how could an engineer use a spreadsheet application to increase
The water level in a graduated cylinder initially at 221 rises to 271 after a piece of lead is submerged. What is the mass in grams of the lead?
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