subject
Chemistry, 18.08.2019 09:00 xaguilar

If you forget to dry off a bread knife and when you washed it and reddish brown spots appeared on it would that be physical or chemical change

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 22.06.2019 12:20
Consider the reaction of a(g) + b(g) + c(g) => d(g) for which the following data were obtained: experiment initial [a], mol/l initial [b], mol/l initial [c], mol/l initial rate, mol/l.s 1 0.0500 0.0500 0.0100 6.25 x 10^-3 2 0.100 0.0500 0.0100 2.50 x 10^-2 3 0.100 0.100 0.0100 1.00 x 10^-1 4 0.0500 0.0500 0.0200 6.25 x 10^-3 what is the rate law for the reaction?
Answers: 3
question
Chemistry, 22.06.2019 12:30
What is the percent composition of ca(oh)2? 37.7% ca, 53.0% o, and 10.3% h 45.5% ca, 38.2% o, and 16.3% h 54.0% ca, 43.0% o, and 2.7% h 64.7% ca, 27.0% o, and 8.3% h
Answers: 2
question
Chemistry, 22.06.2019 14:30
How does a noncompetitive inhibitor reduce an enzyme’s activity?
Answers: 1
question
Chemistry, 22.06.2019 21:50
Liquid from a brewery fermentation contains 10% ethanol and 90% water. part of the fermentation product (50,000 kg/h) is pumped to a distillation column on the factory site. under current operating conditions, a distillate of 45% ethanol and 55% water is produced from the top of the column at a rate of one-tenth that of the feed. what is the composition of the waste "bottoms" from the still?
Answers: 2
You know the right answer?
If you forget to dry off a bread knife and when you washed it and reddish brown spots appeared on it...
Questions
question
Mathematics, 12.10.2020 22:01
question
History, 12.10.2020 22:01
question
Mathematics, 12.10.2020 22:01
question
Mathematics, 12.10.2020 22:01
question
Mathematics, 12.10.2020 22:01
Questions on the website: 13722363