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1) When each of the following pairs of aqueous solutions is mixed, does a precipitation reaction occur? If so, write the formula and name of the precipitate. (Type your answer using the format CO2 for CO2. Type NONE in the blanks if there is no precipitation reaction.)
(a) lead(II) nitrate + potassium bromide
2) How many total moles of ions are released when each of the following samples dissolves completely in water 6.004 1021 formula units of NiCl2?
What is the pH of the solution at equivalence point. How many mL of HCl will need to be added to the methlamine, CH3NH2 solution to reach a pH of 10.64. What will the major species in solution be when 1198.75 mL of HCl has been added to the base s..
A chemist was studying the solubility of two "new" compounds she made in her laboratory at work; NI3 and CBr4. They will not dissolve in each other Explain why they may not be dissolving in each other, based on molecular comparison, and draw the 3..
Calculate the amount of energy in the form of heat that is produced when a volume of 4.70 L of SO2 (g) is converted to 4.70 L of SO3 (g) according to this process at a constant pressure and a temperature of 1.00 bar and 25 degree celsius.
One of the more common agents for standardizing solutions of potassium hydroxide (KOH) is potassium acid phtalate (KHC8H4O4), or, more accurately, potassium hydrogen phthalate.
Consider the reaction below. If you start with 7.00 moles of C3H8 (propane) and 7.00 moles of O2, how many moles of carbon dioxide can be produced. C3H8(g) + 5O2(g) 3CO2(g) + 4H2O(g)
Can someone help me solve the problem below? ? for one line of the hydrogen spectrum is .4118 x 10-4 cm. Use this value in the Rydberg equation to calculate the RH value
A 100 liter air tank housed in a gas station ruptured suddenly and air originally at 5atm escaped to the surroundings at 1atm and 25°C. Find ?S of air, had it been let out slowly in a reversible manner
A 2.50-g sample of a large biomolecule was dissolved in 37.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C.
What is the change is volume when 1.00 mol of CH4 reacts with 2.00 mol O2? What is the w for this chnage? Calculate the change in internal energy, U, for the change indicated by the chemical equation
A 347 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 630. mmHg. Calculate the moles of Ar present.
He finds that the total pressure at equilibrium is 40% greater than it was originally. What is Kc for this reaction?
A solution of methanol, CH3OH, cotains 55.0 grams of methanol in 100. mL of water solution. What is the molarity of methanol in the solution?
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