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Would it be safer to store a nickell (II) chlorides solution in a lead container or a chromium container?
Write reaction equations to explain how your acetic acid/sodium acetate buffer reacts with an acid and reacts with a base.
How much heat is required to warm 231 g of ice from -46.9°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
If aqueous acetone (80% acetone, 20% h2o) is used as the extraction solvent instead of 100% acetone, the extraction yields of chlorophyll a and beta carotene
how many grams of silver nitrate are present when 8.50 g of silver are in a sample?
how many atoms of copper are there in this wire?
How many grams of dry NH_4Cl need to be added to 2.10 L of a 0.100 it M solution of ammonia, NH_3, to prepare a buffer solution that has a pH of 8.84? K_b for ammonia is 1.8 * 10^{-5}
Suggest a reason why the cyclic intermediate in the formation of methyl-e-4-methoxycinnamte from p-anisaldehyde, might have two important groups in a trans relationship
A sample that weighs 0.1586 grams contains only sodium chloride and potassium chloride was dissolved in water. It took 22.90 mL of 0.1000 AgNO3 to precipitate all of the chloride present.
Butyric acid is responsible for the foul smell of rancid butter. The pKa of butyric acicd is 4.84.
Without a reference sample of a pure compound, can melting point alone be used to unambiguously assignt the correct chemical structure
if the freezing point of a 0.106m CH3COOH solution is -0.323 degrees celcius, what is the percent of acid that has undergone ionization?
A home swimming pool contains 145 m3 of water. At the beginning of the swimming season, the water must be heated from 18 to 31°C. How many joules of heat energy must be supplied?
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