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There are twelve possible constitutional isomers of the alkane c6h12. Depict skeletal structures of all of them.
Compute the theoretical yield (by mass) of Ca3(PO4)2. Compute the percentage yield (by mass) for the reaction if 64.3 g of Ca3(PO4)2 is actually obtained.
State the balanced net IONIC equation for the reaction that takes place when 0.1 M solutions of potassium sulfide and chromium (III) chloride are mixed
Consider the titration of 0.1000 M HBr with 0.1000 M KOH. Calculate the pH after 55.00 mL of the base has been added to 50.00 mL of the HBr solution
Explain how to prepare 500.0 mL of an 8.00% v/v methyl alcohol solution. * measure out 40.0 mL of methyl alcohol * measure out 4.0 mL of methyl alcohol
What is the percent yield of a reaction in which 282 g phosphorus trichloride reacts with excess water to form aqueous phosphorus acid (H3PO3) and 114 g HCl?
Calculate the amount of heat liberated (in kJ) from 437 g of mercury when it cools from 61.0°C to 12.0°C.
Use Table 6.3 or Appendix B to write balanced formation equations at standard conditions for each of the following compounds. (Type your answer using the format O3 for O3. Write all coefficients, even if they are fractions or 1.)
How many moles of gas are present when you collect 35.83 mL of the gas over water at 25.3?C and 0.97 atm?
Sterling Silver is 92.5% silver by mass. How many lbs of silver are there is a 45.0 Mg piece of sterling silver?
what is the partial pressure of each gas if the total pressure of each gas if the total pressure is 735 mm Hg
Trichloroethane has a vapor pressure of 100.0 mm Hg at 20.0 C and boils at 74.1 C. An uncovered cup (1/2 pint) of trichloroethane (d=1.325 g/mL) is kept in an 18-ft3 refrigerator at 39 F. What percentage (by mass) of trichloroethane is left as a l..
when 24.0 g of glucose a nonelectrolyte are dissolved in 500. g of water the solution has a freezing point of
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