Chemistry, 15.04.2020 19:11 eshavaggar
An inexperienced analyst determines the average molar mass of a fatty acid sample by titration with aqueous NaOH using phenolphthalein indicator. Instead of stopping the titration when a light pink color is seen, the analyst titrates to a much darker magenta color. This will cause the calculated molar mass to be:
Answers: 2
Chemistry, 22.06.2019 03:50, daniel9299
Consider the reaction: n2(g) + o2(g) ? 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?
Answers: 3
Chemistry, 22.06.2019 12:00, sophiaa23
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
Answers: 2
Chemistry, 22.06.2019 14:30, hjlhdjfhjh
How does a noncompetitive inhibitor reduce an enzyme’s activity?
Answers: 1
An inexperienced analyst determines the average molar mass of a fatty acid sample by titration with...
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