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How many moles of iron(III) hydroxide are needed to react with excess nitric acid to produce 67.0 g iron(III) nitrate?
Titration with sodium thiosulfate required the use of 18.94mL of 0.07992M Na;>203' Find the molarity of ascorbic acid in the juice.
In an earlier problem we described the reaction of ammonia with oxygen to form nitrogen monoxide, NO.
Determine the amount of heat given off when 1.26 x 104 g of NO2 are produced express your answer (in kJ)?
Explain why the bond dissociation energy for the C-C sigma bond in propane is lower than the BDE for the C-C bond in propene.
Supposed that 36.78 mL of a 0.09554 M potassium chloride added to a 25.00 mL sample of lead(II) nitrate solution, and as a result all the lead(II) nitrate is consumed. Determine the morality of the lead(II) nitrate solution.
a volume of 18.0 m l contains a mixture of 0.250 mole n2 0.250 mole o2 and an unknown quantity of he. the temperature
A 20.00 ml sample of 0.200 M HBr solution is titrated with 0.200 M NaOH solution. Calculate the pH of the solution after the following volume of base has been added: 20.1 ml.
Suppose the reaction is at equilibrium 2NOBr (g) 2NO(g)+Br2(g) Delta Hf NOBr=82.2 Kj/mol DeltaHf NO=90.4 KJ/mol What happens to Kp when the temperature is increased
NaOH to achieve a phenolphthalein end point. Express the acidity of the wine in terms of grams of tartaric acid (H2C4H4O6, fw 150.09) per 100 mL of wine.
napthalene lowered the freezing point of the solvent by 0.780K. Calculate the molar mass of the compound. [Kf of napthalene= 6.94 K*kg/mol]
Draw formulas that illustrate the hydrogen bonding that may exist between two polyamide molecules after fibers have been cold drawn. In this lab,
What is the molecular, ionic, & net ionic equations for iron(ii) sulfate + sulfuric acid + hydrogen peroxide = iron(iii) sulfate + water
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