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Antimony reacts with sulfur according to the following reaction:
2Sb(s) + 3S(s) → Sb2S3(s)
What is the mass percent yield from 2.35 g of Sb in excess S, if 1.16 g of Sb2S3is obtained?
Sb2S3is 340. g/mol
what must be the atomic mass of the metal mnbsp if a sample of the compound mso4 weighing 0.1131 g reacts with barium
how do you synthesize 1-phenylcyclopropanol from benzene using any solvents reagents needed or alcohols containing no
Consider the following cell: Pt|H2(g, 0.645 atm)|H (aq, ? M)||Ag (aq, 1.00 M)|Ag(s) If the measured cell potential is 1.20 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..
an aluminum tank of volume 0.0300 m3 is filled to the top with mercury at 20.0 degc. the tank is placed inside a
A solution of codeine is made by dissolving 7.79 g of codeine in water to make 14.7 L of solution. If the pH of this codeine solution is 9.59, calculate the Kb of codeine.
An oligomeric protein has a molecular weight of 168000. A 420 mg sample was treated with an excess of 1-fluoro-2,4-dinitrobenzene (Sanger\'s reagent) until the reaction was complete
The flask was then shaken until the solution was uniform. A 45.0 \rm mL sample of this glucose solution was diluted to 0.500 \rm L. How many grams of glucose are in 100. \rm mL of the final solution
A gas of unknown molecular mass was allowed to effuse through a small opening under constant-pressure conditions. It required 62 s for 1.0 L of the gas to effuse. Under identical experimental conditions it required 33 s for 1.0 L of O2 gas to effu..
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.140 M HClO(aq) with 0.140 M KOH(aq). The ionization constant for HClO can be found here.
Explain what happens when the following chemicals are mixed in water as well as how would you write a balanced chemical equation for it showing what state each substance is in
Can't make it work. You have 0.035 +/- 0.002 mol of red dye, which you mix (thoroughly) with 25.00 +/- 0.05 mL of water. What is the concentration of the dye mix .001400 +/- .000008 M
Which is the gas evolved when ammonium chloride reacts with calcium hydroxide? What happens when lead(II) nitrate crystals are heated? Why nitric acid stored in reagent bottle for long time show colour change? Explain the laboratory synthesis of Nitr..
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