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What is the theoretical yield (in grams) of the precipitate when 22.35 g of barium nitrate reacts in solution with 11.37 g sodium carbonate
Calculate the energy in joules and calories lost when 18.0 {rm g} gold ({rm Au}) cools from 226^circ C to 124^circ C.
I dissolved .5 grams of mustard in 3 mL of distilled water. I was asked to determine the mass percentage of acetic acid in mustard, so I added 2.5 mL of NaOH to turn the mustard solution red.
What is the major disadvantage of using concentrated sulfuric acid (or hydrochloric acid) rather than 85% phosphoric acid for the dehydration of alcohols?
What mass of solid sodium formate (of MW 68.01) must be added to 140 mL of 0.3 mol/L formic acid (HCOOH) to make a buffer solution having a pH of 3.77? Ka = 0.00018 for HCOOH.
From the heats of reaction as given 3O2(g) ---> 2O3(g) DH = +284.6 kJ, 2H2(g) + O2(g) ---> 2H2O(g) DH = -483.6 kJ
Calculate the amount of heat required to completely sublime 53.0 g of solid dry ice CO_2 at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3
After the washing in this preparation, the 1-bromobutane was treated with anhydrous sodium sulfate
Sodium Bisulfite UseThe non-shrinking, non-warping nature of ultramarine blue, along with its exceptional heat and light stability has led to the development of a range of high quality ultramarine blue pigments specifically for masterbatchs applicati..
you have a hydrochloric acidsolution with a pH of 1.8. How many mL of sodium hydroxide with a pH of 11.8 would be used to neutralize 20.0 mL of the acid solution.
calculate the mass in kilograms of 3.99 liters of acetic acid. the density of this substance is 1.05g/mL ?
Draw an energy diagram for the enthalpy of solution of NaCl given that the lattice energy is 773 kJ/mol, the enthalpy of hydration
Friedel-Crafts alkylation and acylation reactions won't work because of the deactivating nitro group present on the benzene ring. Propose an alternate pathway to the ketone product desired
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