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Question- A closed container is filled with oxygen. The pressure in the container is 385kPa . What is the pressure in millimeters of mercury?
As much detail as probable is really appreciated
What is the molarity of a solution prepared by diluting 25 drops of 0.35 M K2SO4 solution with 75 drops
what is ture when equal masses of a and b are reacted?
A sample of Nitrogen gas at 24.8 degree C and 61.2 torr occupies a volume of 16.6 L. What will the gas pressure be if the volume is changed to 44.4 L and the temperature is changed to 38.5 C
Problem- What products are formed when aqueous solutions of calcium bromide and potassium phosphate are mixed
Explain how many moles of water are made from entire reaction of 2.2 moles of oxygen gas with hydrogen gas. Given the reaction: 2H2 + O2 --> 2H2O
Explain why do we need potassium carbonate before distillation? I did an ethanol from sucrose lab as well as the TA had to put potassium carbonate in the mixture before we utilized fractional distillation to separate the 3 liquids
What is the absolute error in pKa according to pKa from the mid-point pH value? The true value is given in # (5) (9) What is the relative % error in pKa according to pKa from the mid-point pH value?
What is the molar mass of a compound if 5.96g of the compound dissolved in 25g of chloroform solvent has a boiling point change of 4.80 c. The boiling point constant for chloroform is 3.63 c/m.
for a certain change the value of U is -2.37 kJ. During the change, the system absorbs 650 joules. how much work did the system do.
One of the strongest "weak" acids is chloric acid. Its Ka is 1.0. What is the pH of a 0.75M solution of HClO3
Calculate the number of grams of Mg(OH)2 that should dissolve in 100 mL of water.
Calculate the standard enthalpy of formation of carbon disulfide (CS2) from its elements, given the following data.
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