Chemistry, 29.06.2019 05:00 OceanClaws
Doctors have fought infections with penicillin for over 50 years. recently, penicillin has not worked as well as before. which of the following explanations can account for this observation? a. some bacteria are resistant to the drug. the continued use of the drug has killed all of these bacteria. b. penicillin use has made all bacteria resistant to it. c. some bacteria are resistant to penicillin. the continued use of the drug has killed all but these bacteria. d. bacteria eat penicillin, so it is not effective anymore.
Answers: 1
Another question on Chemistry
Chemistry, 21.06.2019 20:40
Which of the following pressures is equal to 760 mm hg? 2.0 atm 101.3 pa 101,300 kpa 101,300 pa
Answers: 2
Chemistry, 22.06.2019 06:30
(1.6 × 10-19)(5.0 × 106) = c × 10d identify the missing numbers below to show the result of multiplying the numbers.
Answers: 1
Chemistry, 22.06.2019 07:00
Indicate whether the specified alkyl halides will form primarily substitution products, only elimination products, both substitution and elimination products, or no products when they react with sodium methoxide. 1-bromobutane 1-bromo-2-methylpropane 2-bromobutane 2-bromo-2-methylpropane
Answers: 2
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
You know the right answer?
Doctors have fought infections with penicillin for over 50 years. recently, penicillin has not worke...
Questions
Mathematics, 14.04.2021 21:40
History, 14.04.2021 21:40
Advanced Placement (AP), 14.04.2021 21:40
Mathematics, 14.04.2021 21:40
Mathematics, 14.04.2021 21:40
Biology, 14.04.2021 21:40
Mathematics, 14.04.2021 21:40
Chemistry, 14.04.2021 21:40
Mathematics, 14.04.2021 21:40
Mathematics, 14.04.2021 21:40
History, 14.04.2021 21:40
