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For a neutral OH molecule,
Enough of a monproctic acid is dissolve in water to produce a 0.0147 M solution. The pH of the resulting solution is 2.31. Calculate the Ka for the acid.
You've been asked to fully crosslink a polymer whose average molecular weight is 42000g/mol. In this polymer there are an average of 4.5 -OH groups that will 'react' with the M-NCO crosslinking agent. If the crosslinking agent has a molecular weig..
Draw a free energy profile for a reaction S to P that proceeds through a single transition state with Delta G knot equal to +2.8 kcal/mol and delta G double dagger equal to 14 kcal per mole. Label the appropiate difference.
N2 is used industerial to produced Nitric acid, but contributes to acid rain and photo chemical smog. What value of nitrogen is formed at 742 torr and 28.7dgree by reacting 2.78cm^3 of cuppor 8.95gm/cm^3 .with 246 ml of nitric acid and 68% by mass
How many grams of sodium hydrogen phosphate and sodium dihydrogen phosphate are needed to make 300 mL of a 0.12 M phosphate buffer with a pH of 7.2
Suppose that a student doing this experiment used KHP that was not dry to standardize the NaOH solution. Would her calculated molarity of the NaOH solution be too high or too low
In 0.1592 M solution, a weak acid, HA, is 7.11% ionized. Calculate the ionization constant for the weak acid.
0.1505 g of K2C2O4 was weighed out and dissolved in 250 mL of 1 M H2SO4. It was than titrated with KMnO4 and the equivalence volume was 17.55 mL. When the concentration of KMnO4 is 0.0517 M.
calculate the minimum volume of 1.10m cuso4 solution that is required to ensure complete reaction of 1.04g of fe. since
1) Which guidelines can be used to ensure proper surveillance of the outbreak. 2) How can John and his team properly alert the community and prevent panic.
A vineyard has 145 acres of grapes. A soil supplement requires 5.50 grams for every square meter of vineyard. Explain how many kilograms of siol supplement are required for the entire vineyard. 1km2=247 acres
or each of the following cases, briefly explain whether the action causes net reaction from left to right, right to left, or no net reaction. Also, state whether the equilibrium partial pressure of NH3 increases, decreases or stays the same. (a) i..
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