Wednesday
June 19, 2013

Posts by Den


Total # Posts: 26

Chem
Balance the chemical equation for the important industrial process: C2H4 + O2 + HCl → C2H4Cl2 + H2O. Given 610.0 kg of hydrochloric acid, calculate how many kg of C2H4Cl2 can be produced.

CHEM HELP RIGHT NOW PLEASE
n the titration of 25.00 ml of a water sample, it took 20.590 ml of 4.995x10-3 M EDTA solution to reach the endpoint. Complete the questions below: Calculate the number of moles of EDTA required to titrate the water sample. (enter your answer with 3 significant figures) 0.0001...

chem help w/ Lab
Weight of the mustard package Sample: 3.02 (g) Weight of the mustard package Solution: 33.3 (g) Trial #1 Trial #2 Trial #3 Weight of Mustard Package Solution Delivered (g) : 1.09 .948 .909 Weight of NaOH Solution Delivered (g) : .354 .304 .269 Concentration of NaOH : 7.48e-3 (...

CHEM LAB Help
After getting this, in order to convert the three masses into moles, what do I divide each mass by

CHEM LAB Help
After getting this, in order to convert the three masses into moles, what do I divide each mass by

CHEM LAB Help
mustard solution, how would i calculate the mass of naOH used?

CHEM LAB Help
Forget it i got the answer

CHEM LAB Help
Weight of the mustard package Sample: 3.02 (g) Weight of the mustard package Solution: 33.3 (g) Trial #1 Trial #2 Trial #3 Weight of Mustard Package Solution Delivered (g) : 1.09 .948 .909 Weight of NaOH Solution Delivered (g) : .354 .304 .269 Concentration of NaOH : 7.48e-3 ...

Chem
Arrange the following atoms in order of increasing size from smallest to largest. Phosphorus Fluorine Chlorine Sulfur

Psychological Statistics
Simply reporting measures of central tendency or measures of variability will not tell the whole story. Using the following information, what else does a psychologist need to know or think about when interpreting this information? A school psychologist decided to separate some...

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