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1) Find out the pressure in a 0.34L balloon if the temperature is 35 Celsius as well as the balloon contains 0.0233 mol of an ideal gas 2) Explain what is the temperature of 1.506 x 1022 molecules of hydrogen gas if they occupy 665mL at 715 torr?
Calculate the entropy change for each of the following reactions. Justify why these are physically reasonable answers.
Draw the skeletal structure of the enantiomer(s) of (2S,4S)-(+)-rose oxide. (Draw all enantiomers if more than one exists.) Draw the skeletal structure of the diastereomer(s) of (2S,4S)-(+)-rose oxide. (Draw all diastereomers if more than one exists..
calculate the end point ph when 25 ml of 0.01 moll hcl solution reacts exactly with 25 ml of 0.1 moll nh4oh
What is the length of a cubic lose-packed unit cell of an element, in picometers, if the atomic radius is 187.0pm
If you had a saturated solution of NaNO3 at 40 degrees Celsius that contained 85 grams of water, how much of the salt would you need to add to have a saturated solution at 70 degrees Celsius?
What steps would you take to separate the following four organic compounds using an acid/base solvent extraction? Compounds: m-anisic acid, p-toluidine, thymol, indane
A certain mixture of He and Ne in a 356 cm3 bulb weighs 0.1480 g and is at 20.0 oC and 748 torr. Find the mass and mole fraction present.
Which of the compounds contain chiral centers? (you may choose more than one answer)
solving this question helps the student to understand how to find the limiting reactant and how much product is
Compute the mass of Au(gold) that occupies 5.0 X 10^-3 cm^3. If the density of gold (Au) is given=19.3 g/cm^3.
If the molar mass is 88 g/mol and the percent composition is 54.5% carbon, 9.15% hydrogen and 36.3% oxygen, what is the molecular formula of dioxane?
5.0 g of a substance is mixed with 125g of benzene. This will lead to a boiling point of 0.65K. Calculate the freezing point
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