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What mass of P4 is required to react with excess oxygen and produce 16.42 g of H3PO4, if the percent yield is 75.45%? P4 + 5 O2 + 6 H2O ® 4 H3PO4
Geometric isomers illustration, This is more of a theoretical question I think. Co(NH3)5ClBr has two compounds for that one formula.
Arrange the following solutions in order of increasing pH(from lowest to highest) and explain your reasoning. Assume each solution has a concentration of 0.10mol L-1
Calculate the activities of Ca2+ and F- in the solution of flourite (CaF2) in pure water at 25C without regard to possible hydrolysis.
A 643 mL gas sample at STP is compressed to a volume of 285 mL, and the temperature is increased to 26C. What is the new pressure of the gas in Pa? Answer in units of Pa.
Describe the type of bonding that your unknown has (covalent, polar covalent). Locate and show any dipoles in your compound
If the methane contained in 2.00 L of a saturated solution at 25 degrees C was extracted and placed under STP conditions, what volume would it occupy.
what is the simplest formula for chalcocite if a sample of this ore contains 8.274 g copper and 2.088 g
calculate the mass of material required if 1500 calories of energy causes a change from -27 degrees fahrenheit to 91
you have a solution of sodium nitrate containing 140 g at 65 degrees celcius. how many additional grams of solute must
Construct a molecular orbital system for the basis set as the basis set, considering linear , bent , and cyclic gemetries
What concentration of glucose will be isotonic with 1.2% CaCl2 solution? Assume a van't Hoff factor of 2.8 for the CaCl2 solution. The molar masses of glucose and CaCl2 are 180.2 g/mol and 111.0 g/mol, respectively.
Calculate the mass percent (m/m) for the solute in each of the following solutions: Express the answer using 2 sig figures.
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