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Only one of each of the following pairs of reactants undergoes a reaction. Complete and balance the equation for the reaction that occurs.
Al(s) + OH-(aq) + NO3-(aq) ?
Al(s) + OH-(aq) + CO32-(aq)?
Molecules can be as small as a few atoms or as large as thousands of atoms. In 1962, Max F. Prutz and John C. Kendrew were awarded the Nobel Prize for their discovery of the structure of hemoglobin.
when 1.150 grams of an unknown nonelectrolyte dissolves in 10.0 grams of water the solution freezes at -2.16degc. what
A solution is prepared by dissolving 249 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C. (The vapor pressure of water is 31.8 mmHg at 30°C.)
Which of the reactions below are redox reactions. a- 2Na+Cl2--->2NaCl b- Fe+NiSO4---->Ni+ FeSO4 c- AgNO3+NaCl---> AgCl2+NaNO3
Using the van der Waals equation of state, what is the pressure of 1.423 mol of helium in a container of volume 5.412 L and a temperature of 25.0 C
The approximate molarity of this solution will be 0.025 M. You will take 10.0 mL of a 0.0100 M KIO3 solution, dissolve excess amounts of KI in it, and using the Na2S2O3 solution, titrate to the disappearance of the starch I2 color. Using the appro..
The atmosphere of Venus contains carbon dioxide and nitrogen gases. At the planet's surface, the temperature is about 730 K, the total atmospheric pressure is 98 atm, and the partial pressure of carbon dioxide is 94 atm.
a separatory funnel is used in this method of separating liquids . f. liquid is allowed to evaporate, leaving the solid behind c. element
How much heat does your body lose when 1.8 of sweat evaporates from your skin at 25 ? (Assume that the sweat is only water.) The heat of vaporization of water at 25 is 44.0 .
Calculate the pH during the titration of 34.5 mL of 0.507 M triethylamine, (C2H5)3N with 0.148 M HCl after 13.0 mL of the acid have been added. Kb of triethylamine = 5.2 x 10-4.
What will happen to the number of moles of SO3 in equilibrium with SO2 and O2 in the reaction 2SO3(g) 2SO2(g) + O2(g)
You have 100 moles of solvent (not water). You have determined that 100g of dissolved sucrose incrases its boiling point temperature by 10C. For 100 moles of the pure solvent, how much mass (in grams) of salt
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