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a) Explain what is the molar solubility if magnesium oxalate (MgC2O4) in water? The solubility product constant for MgC2O4 is 8.6x10^-5 at 25C.
b) For a given reaction, delta H = -25.5 kJ/mol and delta S = -77.0 kJ/mol. The reaction will have delta G =0 at _______________K. Presume that delta H and delta S do not vary with temperature.
Consider a gas in a 1.0 L bulb at stp that is connected via a valve to another bulb that is initially evacuated. Answer the following concerning what occurs when the valve between the two bulbs is opened.
ethylene glycol hoch2ch2oh is effective as an antifreeze but it also raises the boiling temperature of automobile
Calculate the concentrations of all species at equilibrium for each of the given original mixtures. 1.2 mol of NOCl and 1.2 mol of NO in a 1.0-L flask? K = 1.6*10^-5 mol/L
Exactly 20.00 mL of standard 0.1171 M Ca(OH)2 are titrated with a solution of citric acid, H3C6H5O7. If 17.43 mL of the citric acid solution are required to reach the endpoint, what is its molarity
what error would be introduced into the determination of the density of the irregularly shaped metal pellets if you had
Wastewater flow in a sewer can be estimated by adding a known amount of tracer such as salt solution and measuring the salt concentration upstream and downstream of the point of addition.
The iron content of iron ore can be determined by titration with standard KMnO4 solution. The iron ore is dissolved in excess HCl and the iron reduced to Fe+2 ions. This solution is then titrated with KMnO4 solution, producing Fe+3 and Mn+2 in aci..
Imagine that you have a 7.00 litre gas tank and a 3.00 litre gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.
If 0.230g of sodium metal reacts with 0.355g of chlorine gas, what is the mass of sodium chloride produced
large volumes of gases are released.if 100g of TNT were detonated, what would the mass of each product be? is the law of conservation of mass obeyed? 2C7H5(NO2)3--> 12CO(g)+2C(s)+5H2(g)+3N2(g)
A solution (volume = 100.0 ml) contains 0.27 M HCOOH(formic acid, Ka=1.8*10^-4) and 0.39 M KHCOO. a. Determine the pH of the solution b. We add 4.00 ml of 4.0 M HNO3 to this solution. Determine the new pH.
which portion of the titration curve are you in to reach pH = 7? Show your calculations to prove that dilution of 10,000 gal aniline requires 0.58 gal of this acid.
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