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Rubidium carbonate, Rb2CO3(aq), reacts with hydrobromic acid, HBr(aq), to form a salt, a gas, and H2O(l).
(a) Write the net ionic equation for this reaction. (Include states-of-matter under the given conditions in your answer. Use the lowest possible whole number coefficients.)
if you were to use IR spectroscopy how would you differentiate between acetone, water, and diethyl ether? (include values and relate them to functional groups)
What is the pH of the solution when 50 grams of Ca(OH)2 was added to 1 liter of water? Ksp of Ca(OH)2 = 6.5 x 10^-6
How many grams of NaCl must be added to 250g water to lower the vapor pressure by 1.30 mm Hg at 40 degrees C assuming complete dissociation?
A 1.00 g sample of enriched water, a mixture of H2O and D2O, reacted completely with Cl2 to give a mixture of HCl and DCl. The HCl and DCl were then dissolved in pure H2O to make a 1.00 L solution
The vapor pressure of water is 439 mm Hg at 358 K, and the enthalpy of vaporization is 40.7 kj/mol.
The water level in a graduated cylinder initially at 220 rises to 279 after a piece of lead is submerged. What is the mass in grams of the lead.
Tf will be negative and so you must use negative Kf values. Either way, the freezing point of the solution should be lower than that of the pure solvent. Assuming 100% dissociation, Find the freezing and boiling points of 1.85 m Na2SO4(aq).
Compounds containing carbon-carbon triple bond undergo the Diels-Alder reaction. Formulate the product formed by the reaction of
Mg3N2 + 6H2O ----> 3Mg(OH)2 + 2NH3 When 36.0g of H2O react, how many grams of NH3 are produced?
The decomposition of potassium chlorate (KClO3) is used as a source of oxygen in the laboratory. How much potassium chlorate is needed to produce 20.7 mol of oxygen?
Draw the structure of the major product(s) formed when 1-hexyne is subjected to ozonolysis, followed by hydrolysis.
Explain the significance of the chromic acid test. What would you observe in the case of a positive result? Do you expect 9-fluorenol to give a positive or negative result? What about the 9-fluorenone?
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