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Calcium carbonate (a weak base) reacts with nitric acid (a strong acid) quantitatively in the following reaction to form calcium nitrate, water and carbon dioxide:
CaCO_3+2HNO_3→Ca(NO_3 )_2+H_2 O+CO_2
How many kg of carbon dioxide (CO2) are formed per kg of CaCO3 reacted? Presume that there is an excess of HNO3 available.
Liquid hydrogen peroxide, an oxidizing agent in many rocket fuel mixtures, releases oxygen gas on decomposition.
Explain will the concentration of the sodium hydroxide be significantly changed during the course of the reaction while doing the activation energy experiment
If 200 mL of 0.300 M Cr(NO3)3(aq) is added to 100 mL of 4.0 × 10^-4 M NaF(aq) at 25 degrees celcius, will a CrF3 precipitate form? For CrF3 in water at 25°C, Ksp = 6.6 × 10^-11.
Why are the crude ester mixtures washed with aqueous NaHCO3?2. You wish to test 9 esters for antitumor activity. One and only one of the 9 esters will actually have antitumor activity. You will prepare the esters from an alcohol and an acid as was..
In the absorption spectrum of the hydrogen atom, the electron is promoted from n=2 level to the n=3 level. What energy does this correspond to in joules. Which of each following pair would you predict to have the higher boiling point and why
Question- What does the NMR instrument do when each of the following commands are typed at the console? (a) rga (b) ft and (c) zg.
How many milliliters of a 0.150 M sucrose solution will be needed to perform an experiment in which 36.69 g of sucrose is needed
A 93.7 g (5.20 mole) sample of water is heated to exactly 94.4 celsius. It is then added to 90.1 g (5.00 mole) of water at 22.5 celsius in a styrofoam cup calorimeter.
Determine the pressure inside a container of a gas connected to an open-end manometer filled with CCl4, has the density = 1.594 g/cm3,
A student titrated 10.00 mL HCL with standard NaOH in a 125 mL flask. The amount of NaOH needed was 24.50 mL. Calculate the molarity of the HCl solution if the concentration of the standarized NaOH is 0.09430 M. (The blank titration needed 0.10 mL..
what is the pressure in a 22.7l cylinder filled with 10.8 g of oxygen gas at a temperature of 343
What do understand by the terms a) Empirical Formula b) isomerism and what conclusions can you draw from the following observations about the chemical nature of the organic liquid D?
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