Chemistry, 30.11.2019 06:31 datboi995

Using a 300 mhz nmr instrument:
a. how many hz downfield from tms is a signal at 2.5 ppm?
b. if a signal comes at 1200 hz downfield from tms, at what ppm does it occur?
c. if two peaks are separated by 2 ppm, how many i-az does this correspond to?

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 20:30, jaejaeJae9534

Which of the following true? a_volcanoes and earthquakes often near the plate boundaries. b_volcanoes occur whereve there are tall mountains. c_earthquakes cause volcanoes in the same location to erupt violently d_volcanoes and earthquakes occur only where plates are colliding with each other

Answers: 2

continue

Chemistry, 22.06.2019 07:40, caleb19moody

21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8

Answers: 2

continue

Chemistry, 22.06.2019 18:00, jeepjose58

What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; δhvaporization = 3.67 j/mol; δhfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. −12.4 j −3.51 x 102 j 1.24 x 101 j 351 j

Answers: 1

continue

Chemistry, 22.06.2019 20:20, Matseleng3775

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.

Answers: 1

continue

You know the right answer?

Using a 300 mhz nmr instrument:
a. how many hz downfield from tms is a signal at 2.5 ppm? <...