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22.05 mL of a sodium hydroxide solution is needed to react completely with 0.5210 g of KHP (molar mass+204.22) What is the concentration of the sodium hydroxide solution?
Attractive intermolecular forces exist between the molecules in the gas. The effect of these attractive intermolecular forces in a real gas is to
Calculate the equilibrium concentrations of H3O^+, A^-, and HA in a 0.040 M solution of the acid, along with the pH of the solution.
sodium hydroxide to make sodium phosphate and water. How many L of the H3PO4 solution will react with 0.281 L of the NaOH solution? Give your answer to 3 decimal places.
Find the velocity of an electron emitted by a metal whose threshold frequency is 2.32×1014 when it is exposed to visible light of wavelength 5.10×10?7
How many grams of CaH2 (Molar Mass = 42.1 g/mol)are needed to generate 16.0 L of H2 gas if the pressure of H2 is 729 torr at 21.0°C?
What length of time (minutes) would be required to plate 12.25 g of nickel from a NiCl2(aq) solution?
As is often said, quantum mechanice yields classical mechanics when h approaches 0. What result is obtained classically for p(v,T) when h approaches 0? Why is this relation unsatisfactory
-Determining the molar enthalpy/heat of a reaction, and then how much heat was actually given off in a specific reaction -Finding the increase in temperature of a substance given its gain or loss of heat energy
Calculate the volume of oxygen required to burn 5.00 L of propane gas, C3H8, to produce carbon dioxide and water, if the volumes of both the propane
the students product is contaminated with 5% o a constitutional isomer. give the approximate expected melting point of the students product
Present-day plant life has a carbon-14 decay rate of 16 disintegrations per minute (dpm) per gram of carbon. If a contemporary wooden chair were somehow preserved for the next 3,900 years, what 14C decay rate should be expected from the wood used ..
An aqueous solution is 22.0% by mass silver nitrate, AgNO3, and has a density of 1.22 g/mL. What is the molarity of silver nitrate in the solution?
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