Chemistry, 28.01.2020 07:31 zabomoxx5ll
Student measured the absorbance of the substance x depending on its concentration in solution. she used 0.2 cm cuvette. her calibration curve is a straight line with the slope 2.3·103 m-1. the extinction coefficient of substance x in this solution is:
Answers: 1
Chemistry, 22.06.2019 05:30
Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.
Answers: 1
Chemistry, 22.06.2019 14:00
What mass of natural gas (ch4) must you burn to emit 276 kj of heat?
Answers: 2
Chemistry, 22.06.2019 22:30
What is the value of the standard enthalpy of formation of an element in its most stable form?
Answers: 3
Chemistry, 23.06.2019 00:30
Ok, so i have 2 questions. try to answer them both: (the topic is fire) 1) how can you represent the chemical reaction of fire? 2) what kind of bond is formed in this chemical reaction
Answers: 3
Student measured the absorbance of the substance x depending on its concentration in solution. she u...
Mathematics, 20.08.2019 06:50
Mathematics, 20.08.2019 06:50
History, 20.08.2019 06:50
Biology, 20.08.2019 06:50
Mathematics, 20.08.2019 06:50
Mathematics, 20.08.2019 06:50
Social Studies, 20.08.2019 06:50
Mathematics, 20.08.2019 06:50
Biology, 20.08.2019 06:50