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Problem- A sample of gas occupies a volume of 74.8 mL. As it expands, it does 116.3 J of work on its surroundings at a constant pressure of 783 torr. What is the final volume of the gas?
Give your answer with short explanation
An unknown solid mixture containing benzoic acid,copper(II)sulfate and sand. She added 15mL.of acetone to her sample. Which component of the mixture dissolved in the acetone?
A student was synthesizing aspirin in the lab. Utilize the amount of limiting reactant, she compute the mass of aspirin that should form as 10.32 g. While she weighed her aspirin produce on the balance, its mass was 6.23 g. Compute the percent yie..
How to devise a multi-step synthesis of butanoic acid and hexanoic acid from 1-bromopentane
Give TWO possible reactions you could use in each case and write an equation for each reaction.
The diatomic molecule AB has a dipole moment of 1.21 D and the A-B bond distance is 115 pm. Determine the percent ionic character of the bond in AB
Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric acid. What is the molar concentration of H3O^+ in a cola that has a pH of 3.120
After i titrated the weak acid with the strong base i plotted my point and found the equivalence point to be V=7.82 mL and a ph of 8. SO moles of acid is = to moles of base at equivalence point so moles was determined to be 0.0004012 moles and the..
A gas mixture is composed of 0.0856 mol of Ne and 0.0254 mol Kr. What is the mass percent of Kr in this mixture?
When 1.28 mg of hydrogen peroxide decomposes in the presence of manganese dioxide to form water and oxygen, how many miligrams of each are produced?
if an automobile travels 245 mi with a gas mileage of 21.5 migal how many kilograms of co2 are produced? assume that
1.two metal strips weighing 100g each that are placed into a cylinder that contains h2o.in one case we observed the
consider a 13.0 solution of sulfuric acid h2so4 whose density is 1.090 gml.a calculate the molarity of the solution.b
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