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A 0.010 M HCN solution is .020% ionized. Calculate the concentration of H3O+ of this solution. Please show work and solution.
Compute the molarity of a solution prepared by dissolving 15.2 grams of CaCl2 in H2O with a solution volume equal to 5.00 x 10² millimeters.
Identify the rate determining step, reaction intermediates and the experimental rate law (intermediates can not be in the rate law)
If 85.0 J of heat is added to 50.0 g of nickle at 25.0 C , what is the final temprature of the nickle?
Which of the following metals will be oxidized by Pb(NO3)2: Zn, Cu, Fe? Write the balanced molecular, ionic and net ionic equations for the reaction.
Why isn't sodium hydroxide? In the reaction of Aldol reaction to form ethyl trans-cinnamate. Reactant are Benzaldehyde and ethyl acetate.
A radiometric dating technique uses the decay of U-238 to Pb-206 (the half-life for this process is 4.5 billion years) to determine the age of the oldest rocks on Earth and by implication the age of Earth itself The oldest uranium-containing rocks..
2K(s)+2H2O(l)--> 2KOH(aq) + H2(g) A 5.00 g chunk of potassium is dropped into 1.00 kg water at 24 deg C. What is the final temperature of the water after the preceding reaction occur.
If a sample containing 2.03 mL of nitroglycerine (density = 1.592 g/mL) is detonated, how many total moles of gas are produced?
Calculate molarity of a KCl solution prepared by dissolving 0.525 moles of Kcl in 250. mL of water.
Describe how you would make 4 liters of a 0.075 M phosphate buffer at pH of 7.15 without using a pH meter, if the only materials
Assuming no loss of water and that the vessel has a heat capacity of 10.0 J/K What is the final temperature of the system? (specific heat capacity - c of copper = 0.387J/g•K)
The purification of hydrogen gas is possible by diffusion through a thin palladium sheet. Calculate the number of kilograms of hydrogen that pass per hour (in kg/h) through a 4.7 mm thick sheet of palladium having an area of 0.25 m2 at 500°C.
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