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Over to the right of the spill are a number of containers that have been used recently. These containers enclose chemical compounds in solid form that are commonly utilized in your lab. They are- barium sulfite, sodium chloride, potassium nitrite, iron (III) nitrate, sucrose, sodium carbonate, lithium sulfate, naphthalene, potassium permanganate, barium nitrate and copper (II) chloride, potassium sulfite, salicyclic acid.
Thinking the solid is a mixture of chemicals that are generally used in your lab, you require to test the mixture to see which method of waste disposal is correct. Propose a flowchart to test the solid to find out what it might be. The flowchart must obviously state the chemicals needed for each test as well as illustrate the expected test results.
An unknown sample with a molecular mass of 180.og is analyzed to yeild 40% c, 6.7% H, and 53.3% o. What is the empirical formula and the molecular formula of this compound?
a titration curve for H3PO4 (triprotic acid) and a mixture of three weak acids?
The vapor pressure of pure ethyl bromide at this temperature is 400.0 torr. Assuming an ideal solution, what is the molecular mass of the compound?
At 8:00 A.M., a patient receives a 56mg dose of I-131 to get an image of her thyroid. If the nuclide has a half-life of 8 days, explain what mass of the nuclide leftovers in the patient at 4:00 P.M. the next day
Give the product(s) for the reaction of (E) 3-hexene with OsO4/H2O2. Give the Fisher projection for all the products. Draw the Newman Projection for each.
Nitrogen gas when combined with hydrogen gas forms ammonia gas according to the following equation N2(g) + 3H2(g) = 2NH3(g). Delta H(rxn)=-56 kJ. The delta H(rxn) was determined using Hess's Law and the following three related reactions:
A student adds an excess (more than she needs to react completely) of solid sodium hydrogen carbonate to a beaker containing exactly 675 mL of 0.220M coper(II)nitrate aqueous solution.
Why would a producer decide to produce in a competitive market in which she will earn zero profit in the long run?
Atoms and molecules consist of electrons and nuclei. When no bonds exist between atoms, electrons are on discrete energy levels called orbitals: those levels where electrons reside at zero degree Kelvin are called ground states
Calculate the molar solubility of bbarium sulfate, BaSO4, in 0.010 M Sodium Sulfate, Na2SO4, solution at 25C. Compare this to the solubility of BaSO4 in pure H2O. What is the common ion?
A reaction has a rate consant of 1.23/mol*s at 433 Celcius and 24/mol*s at 533celcius.
when a current of 308 mA is used for 8h, what volume of fluorine gas at 298 K and 1 atm can be produced from a molten mixture of potassium and hydrogen fluoride
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