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A student decomposes KClO3 as well as collects 35.5 cm3 of O2 over water at 23°C. The laboratory barometer reads 746torr. If the vapor pressure of water at 23°C is 21.1torr. Determine the volume the dry oxygen would occupy at 0°C and 1.000 atm.
What is the molar mass of the unknown acid? B) As the acid is titrated, the pH of the solution after the addition of 15.00mL of the base is 9.46. What is the Ka for the acid?
Determine the Keq for the reaction of benzoic acid with 4-nitroaniline.
an object weighing 335 n in air is immersed in water after being tied to a string connected to a balance. the scale now
The mass of a liquid that occupies 15.5 mL is found to be 22.35 g. What is the density of the liquid
if 0.500 g of antacid was added to 50.00 ml of 0.100 m hcl and 5.65 ml of 0.100 m naoh was required to titrate the
At 600 K, the equilibrium constant Kp =0.060. In a vessel at 600K there is a mixture of all three gases. The partial pressure of NOCl is 675 torr the partial pressure of NO is 43 torr as well as the partial pressure of chlorine is 23 torr. Explain..
Calculate the correct volume of sulfuric acid which will need to be added to neurallize the base. The chemical reaction involves Al(OH)3 and Fe2O3 reacting with KOH and H2SO4 with the end product being KAL(SO4)2*12H2O.
How many moles of sodium choloride should be put in a 50.0 ml volumetric flask to give 0.15 molarity NaCl solution when the flask is filled to the mark with water
Imagine that you are trying to design a new battery using the elements tin (Sn) and a halogen (Cl2, Br2, or I2) and you are using the reactions when SnCl2 and KBr are combined.
A cylindrical container has a radius of 2.1cm and a height of 0.62m. What is the volume of the container in dm3
A flask contains only H2 at 59.2 atm and I2 (g) at 118. atm. The contents are then allowed to come to equilibrium according to the equation H2 (g) + I2 (g) 2HI (g) , Kp = 50.5
The concentration of glucose in blood is approximately 90 mg/100 mL. What is the weight/volume percent concentration of glucose. what is the molariy of glucose
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