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Describe exactly how you will prepare 100mL each of five standard calcium solutions between 5 ppm and 250 ppm. you will be given a 1000 ppm stock calcium solution.
Calculate the change in enthalpy of Hydrogenation from 298 K to 398 K. The Cp values are C2H4: 43.6 J/K mol and C2H6: 52.7 J/K mol
How many grams of TiCl4 are needed to react completely with 155 L of H2 at 435 oC and 795 mm Hg pressure?
The reported values for one compound (CaHbOc) were as follows: mass: 214.1360 g/mol; percent C and H: 84.07 and 8.47, respectively. Determine the molecular formula of the compound.
considering the given reaction as cocl2g---gt cog cl2gcarried out in a two litres pressure vessel at 500knbsp.where
What product forms when trans-1-bromo-2-methylcyclohexane undergoes an E1 reaction
The following compound has two stereoisomers. One has a dipole of 0 D, and the other has a dipole moment of 2.95 D. Draw the structure of the stereoisomer with dipole moment of 2.95 D
A mixture consisting of 0.130 mol N2, 0.041 mol O2, 0.100 mol CH4, and an unknown amount of CO2 occupies a volume of 8.90 L at 25°C and 1.09 atm pressure. How many moles of CO2 are there in this sample
A sample of gas has an initial volume of 13.8L at a pressure of 1.26 atm If the sample is compressed to a volume of 10.8L, what will its pressure be?
estimate the ph and the concentration of all species in solution at equilibrium for a 0.15 m solution of ascorbic acid
The following are spontaneous reactions. List the species in these reactions in the order of oxidizing strength, from the strongest to weakest oxidizing agent
A compound contains the following: 84.1% C and 15.9% H. The molecular mass of the compound is 120 g/mol. What is the empirical formula and molecular formula
use the factor label method to determine what quantity of 5.00x10 -3 M EDTA would be needed to mtitrate ml of water containing .0124 g of calcium carbonate
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