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magnesium undergoes a single displacement raction with hydrochlic acid. how many grams of hydrogen gas will be produced from the reaction of 3.00 g of magnesium with 4.00 g of hydrochloric acid? identify the limiting and excess reactants.
A solution is made by dissolving 5.00 g of iodine in 100 mL of methanol (density = 0.791 g/mL) to form a solution. What is the mass percent solute in the solution.
solution of 116 mL of .180 m of KOH is mixed with 290 mL of .190 m NiSO4. What are the concentrations of Ni, SO4 and K that remain
If a 2.743g sample of MgSO4.7H2O were heated strongly,what would be the expected mass of the cooled dehydrated salt
Explain, phenomena in terms of atomic structure and behavior. When you lightly bump into a car, why does it dent and not create a hole.
Given the reaction 6CO2+6H2O-> C6H12O6+6O2. What is the total number of moles of water needed to make 2.5 moles of C6H12O6?
One Way of purifying gaseous H2 is to pass it under high pressure through the holes of a metal's crystal structure. Palladium, which adopts a cubic closest packed structure
Suggest a chemical test that would allow you to distinguish between tert-butyl alcohol and 1 butanol, both of which give a positive ceric nitrate test?
To make a 325 mL solution of 0.150 M NaCl, how many grams of NaCl need to be weighed out?
Draw the appropriate titration curve for the tripeptide Met-Lys-Val, starting at pH 1 and ending at pH 12, On the curve label the pKas and the pI
Calculate the internal energy change (delta(U)) for vaporization of 100 g of CI2(l) at this temperature and 1 bar? (b) Calculate its molar entropy change (delta(S)) for vaporization at this condition.
A 14.5 gram sample of gas is found to have a volume of 2.8 liters at 275 K and 1.10 atm. What is the molar mass of this gas?
Determine the final concentration if a 144-mL portion of that solution is diluted using water of 143 mL ?
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