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Balance the following equation by the half-reaction method for the pH conditions specified: H2CO (aq) + Ag(NH3)2+ (aq) ? HCO3- (aq) + Ag (s) + NH3 (aq) (basic)
the reaction rate does not change when [B] increases from 1 M to 2 M. Which of the following is the correct rate law for the reaction?
Draw the major, neutral organic product for each substitution reaction below
Is strategic behavior important in this market pharmaceutical drugs. Avoid answering any of the questions with a quote.
the laboratory is dissolved in 95% ethanol, diluted with water, and titrated to a phenolphthalein endpoint with 17.3 mL of 0.114 M NaOH. What is the percent purity of aspirin in the sample?
a chemist often uses a white card with a black mark to aid in reading the meniscus of a clear liquid. How does this technique make the reading more accurate
A proton in a linear accelerator has a de Broglie wavelength of 138 pm. what is the speed of the proton?
It is important to allow each spot added to the chromatography paper to dry completely before adding another spot.
A camping lantern uses the reaction of calcium carbide, CaC2 (s) , and water to produce acetylene gas C2H2 (g) , and calcium hydroxide, Ca(OH)2 (s) . How many grams of water are required to produce 1.55 moles of acetylene gas
a 4.50-g sample of CaO is reacted with 4.34 g of H2O. how many grams of water remains after completion of reaction?
What is the purpose of the sodium bisulfite? If bisulfite is oxidized to sulfate
How many grams of potassium nitrate are required to prepare 0.250 L of a 0.700 M solution?
The student then took 100 ml of the Mg(OH)2 solution and reacted with HCl(aq). If 13.75 ml of .010M HCL reacted with the OH-(aq), what was the concentration of hydroxide ion in the 100ml solution?
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