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From your balanced equation what is the theorectical yield of calium carbonate? Na2CO3(aq) + CaCl2.2H2O(aq) => CaCO3(s) + 2 NaCl(aq) + 2 H2O(l)
Some KCl is dissolved in water at 25 degree Celsius, where it completely dissociates. The vapor pressure of pure water at 25 degree celsius is 28.3 mmHg.
When 5.00g of copper reacts with oxygen, the copper oxide product has a mass of 5.62g. What is the empirical formula of this copper oxide? MM Cu= 63.5, O= 16.0
A sample of propane,C3H8, contains 11.7 moles of carbon atoms. How many total moles of atoms does the sample contain?
A mixture of gases conssists of CH4 at a partial pressure of 143 mm Hg, N2 at a partial pressure of 469 mm Hg, and O2 at a partial pressure of 563 mm Hg
How many grams of silica were in a 6.00 grams sample, if it took 34.1 mL of 0.95 M HCl to react with all of calcium carbonate
If you wanted to prepare a solution of CO in water at 25 in which the CO concentration was 2.1 mM , what pressure of CO would you need to use
If the volumes in the buret and the flask are identical and the concentration of the acid in the buret is 0.250 M, what is the concentration of the base in the flask.
If 5.00 g Br2 and 3.00 g NH3 react according to the equation below, what is the maximum mass of ammonium bromide produced?
How many vinylic hydrogens are there in 1-ethylcyclohexene? A. one B. two C. three D. four
how many liters of gasoline would you need to buy to complete a 142- trip in Europe? Use the following conversions
The molecules CH4 and CH3Cl both have tetrahedral shapes. Why is CH4 nonpolar whereas CH3Cl is polar
The reaction that occurs here is the reaction of iodide ions with peroxydisulfate ions to produce iodine molecules and sulfate ions. Write the balanced net ionic equation for this reaction.
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