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Magnesium metal reacts with HCl solution, liberating H2 gas and generating Mg2+ cations in solution. A 2.530-g sample of Mg metal is added to 50.0 mL of a 4.00 M HCl solution, and the reaction goes to completion. How many grams of H2 are formed?
picometers and a crystal of metal X has a unit-cell that is faced centered cubic. Calculate the density of Metal X(Atomic Weight = 42.3g/mol)
Carbon dioxide is eliminated from pyruvate ions by a decarboxylase enzyme through the following first order reaction Pyruvate(l) goes to CO2(g) + acetaldehyde(l)
Sodium Carbonate (NaCO3) is available in very pure form and can be used to standardize acid solutions. What is the molarity of the HCl solution if 25.3 mL of the solution is required to react with 0.256 g of Na2Co3
cinnamic alcohol is used mainly in perfumery particularly in soaps and cosmetics. its molecular formula is
Calculate the molarity of a solution of glycerol made by dissolving 66.000 mL glycerol at 15 ^circ {rm C} in enough water to make 400.00 mL of solution.
a water soluble salt forms a precipitant during Group 3 analysis. An acidic solution of this precipitant and NaBiO3 yields a pinkish color. This same salt has no reaction to concentrated H2SO4 or AgNO3, what is the chemical formula for this salt?
Suppose you have a stoppered ?ask containing CO2 gas at room temperature and pressure. If the volume of your stoppered ?ask is 300.0 mL, the pressure in the room is 770 mm Hg, and the temperature in your work area is 22.0°C, how many moles of CO2 ..
The solubility of AgBr was found to be 0.0000398 g per 300 mL of water. Calculate the solubility product constant (Ksp) for AgBr. AgBr (s) Ag+ (aq) + Br- (aq) Molar Mass (g/mol) AgBr 187.77c
Starting with a sample of (R)-2,3-dimethylhexan-3-ol, provide the best synthesis of (R)-3-chloro-2,3-dimethylhexane
A collection of electrons is confined to an infinitely deep well or 1-D box having a 4 nm width. What wavelength photon in micrometers and nanometers when absorbed by an electron in a n=3 level will cause the electron to undergo a transition from ..
You are an EH&S professional returning home from your plant on a summer Friday afternoon at about 4 p.m. You have just picked up some materials from a nearby building supply store for a weekend backyard project
a 105.5 mg sample of a white substance is suspected to be cocaine c17h21no4. the substance formed 279.3 mg of co2 and
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