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Calculate equilibrium constant for Fe(s)+Ni+2 yields Fe+2 +Ni
What volume of a 0.236 M HCHO2 must be added to 1.00 L of a 0.500 M solution of NaCHO2 to give a pH of 3. Assume that volumes are additive.
Condensation polymers are made using a monomer with two functional groups which split off as the remainder of the two monomers are joined together. Often the small molecule eliminated in the process is water
Problem- 500.0 mL of 0.110 M NaOH is added to 575 mL of 0.250 M weak acid (Ka = 1.09 × 10-5). What is the pH of the resulting buffer
If a 0.10mL volume of oil can spread over a surface of water of about 32.0m^2 area, calculate the thickness of the layer in centimeters. Enter your answer in scientific notation.cm?
Phases are optional. A. 0.450 L of 0.420 M H2SO4 is mixed with 0.400 L of 0.200 M KOH. What concentration of sulfuric acid remains after neutralization?
What is the mass percent of sodium flouride solution prepared by dissolving 0.64moles of sodium fluoride into 63.5 grams of water?
A sample of gas with a mass of 1.58 occupies a volume of 941 at a pressure of 753 and a temperature of 16. What is the molar mass of the gas.
How many moles of urea (60. g/mol) must be dissolved in 71.6 g of water to give a 2.4 m solution
Based on the notion of weak and strong acids and bases, which of the following three actions would you expect to produce the largest ( most negative) ΔHneut. the smallest ΔHneut
What is the freezing point in of a solution prepared by dissolving 4.80 of in 110 of water. The value of for water is 1.86 , and the van't Hoff factor for is = 2.7.
1. Which of the following is NOT a form of potential energy. a. compression of a spring b. electrostatic force c. gravity d. a free electron moving at 1000 m/s e.
If 3.50 g of H2S are used in the above reaction, what will be the theoretical yield of water in grams?
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