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While ammonium chloride dissolves in water, the solution becomes colder. (A) Is the process endothermic or exothermic? (B) Explain why the solution forms
what happened when caco3 was combined with hydrochloric acid? was a chemical reaction obvious here ? what about naoh
write the half reaction for oxidation of n-butanol. (d) Calculate Eo' at 25.0 oC for the n-butanol half reaction in (c) above
If p-nitroacetanilide is hydrolysed in acidic solution, why does hydrolysis not take place during the nitration with HNO3 and H2SO4.
Assume 846 mg of a pure diprotic acid, this means that the acid is capable of donating two hydrogen ions or protons was titrated with 12.32 mL of a 0.684 M potassium hydroxide solution. Define the molar mass of the acid and the balanced equation i..
How many kilograms of CO2 are produced by the complete combustion of 1.00kg of this natural gas
Calculate the wavelength of light emitted from a hydrogen atom when it undergoes a transition from the n=11 level to n=5. µm
How many grams of acetic acid will you need to prepare the 500 mL buffer? Note that the given concentration of acetate refers to the concentration of all acetate species in solution.
predict the vernier angle based on the following best-fit line equation: y = 0.0126x + 25.68? y is for vernier angle and x is for wavelength in nm. Estimate to the nearest whole number.
It takes 42 min for the concentration of a reactant in the first order reaction to drop from .45 M to .32 M at 25 degrees celcius. How long will it take for the reaction to be 90% complete.
How many grams of precipitate are formed when 204 mL of a 0.794 M aluminum sulfate soultion and 301 mL of a 1.48 M sodium hydroxide solution are mixed together?
A fifty litres container of stainless steel was charged with 5.00 atm of H2(hydrogen gas) and 6.00 atm of O2(oxygen gas). A spark ignited this mixture (hydrogen gas & oxygen gas)
a vitamin c capsule is analyzed by tirating with 0.3m naoh. it is found that 24.4 ml of base is required to react with
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