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A 0.21L sample of hydrogen gas is collected over water. The reaction that allowed the gas to be liberated was between Mg ribbon and 3M HCl. If the starting conditions were at STP with 0.58g of Mg and 10 mL of the HCl: Identify the limiting and excess reactions and how many grams of the excess will be unused.
nitrate solution according to the unbalanced equation given below. Hg(NO3)2(aq) + NaI(aq) = HgI2(s) + NaNO3(aq) (a) What volume of Hg(NO3)2 is required for complete precipitation?
Determine how many milligrams of H 2 O are present in sample If the freezing point of 100.0 grams of sample of 2-methyl-2-propanol =24.59C, (2methyl-2propanol has Kf=4.68Ckg/mol
What is formed when benzene is reacted with Br2 then FeBr3? Then that molecule is reacted with Mg then CO2 then H
Explain why dichloroethene has a boiling point of 60 degrees C while trans-dichloroethene as a boiling point of 48 degrees C. Include drawings of the structures with dipoles in your answer.
A 4.60 g nugget of pure gold absorbed 288 J of heat. What was the final temperature of the gold if the initial temperature was 26.0°C? The specific heat of gold is 0.129 J/(g·°C).
Cesium ions are added to flood the flame with electrons. It needs to be in a large concentration, larger than what is being measured.
You respond to a 2AM liquefied compressed gas transportation accident which is leaking from a 5lb (2.3kg) steel cylinder. Chemical commodity on shipping paper is 5 lb RQ, compressed gas, flammable, toxic, n.o.s. (poison - inhalation hazard, zone B..
Graphite Furnace vs ICP, with investigating and writing a proposal for Heavy metal testing using Graphite Furnace.
Consider the following cell: Pt|H2(g, 0.670 atm)|H (aq, ? M)||Ag (aq, 1.00 M)|Ag(s) If the measured cell potential is 1.15 V at 25 °C and the standard reduction potential of the Ag /Ag half-reaction couple is 0.80 V, calculate the hydrogen ion con..
Calculate how many molecules of C 2 H 6 S (ethyl mercaptan )are contained in 1.0 micro liter sample if the given density = 0.84 g/mL
A metal, M, was converted to the chloride, MCl2. Then a solution of the chloride was treated with silver nitrate to give silver chloride crystals, which were filtered from the solution.
Using complete sentences, respond to questions 1-5 using the equation below. Be sure to explain your reasoning.
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