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Suppose that 1.75 g of NaOH is added to 250mL of 0.10 M NiCl2 solution. What mass, in grams, of Ni(OH)2 will be formed? What will be the pH of the final solution? For Ni(OH)2, Ksp = 5.5 x 10^-16
Explain in your own words what consitutes a buffer solution. Then explain how this solution resists changes in pH when strong acids or strong bases are added to it.
The endpoint in the titration is "overshot" A. is the reported molar concentration of the hydrochloric acid solution too high or too low. EXPLAIN
How much heat is needed to convert 10.0 g of ice at -25.0ºC to water at 80.0ºC?
Steam at 3MPa and 300oC exits a boiler and goes into a high pressure turbine in which it is expanded to 300kPa. The steam is then sent back to the boiler (constant pressure heat exchanger) and reheated to 300oC.
How many milliliters of 4.21 M NaOH are needed to completely neutralize 76.9 mL of 0.340 M H3PO4? The reaction is 3NaOH(aq) + H3PO4(aq) → Na3PO4(aq) + 3H2O(l)
to scale-forming water to convert calcium carbonate to calcium bicarbonate. write the chemical equation for this reaction.
What are the other side products present in this biocatytic reaction?
Calculate the urms , uavg , and ump velocities for CH4 at 600. K. The molecular weight of methane is 16.043 g mol-1. Show your cancellations of proper units for at least one calculation
Kc for the reaction below at 25°C is 4.8 x 10-6. Calculate the equilibrium concentration (mol/L) of Cl2(g) if the initial concentration of ICl(g) is 1.33 mol/L. There is no I2 or Cl2 initially present.
determine at what pressure will pure H 2 O start to boil if its temperature is seventy five degree Celsius
Determine the pH of the solution resulting from the combination of 40.0 mL of 0.200 M Perchloric acid and what is the mass in mg
the density of milk is 1.04 g/ml, how many milligrams of milk are in 0.50 qt of milk? (1L=1.057 qt, 1000g=1Kg, 1000ml=1L, 1000mg=1g)
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