Chemistry, 24.04.2021 03:30 LaytonHall79
1. Caffeine has a distribution coefficient of 8.4 for methylene chloride (CH2Cl2)/water (H2O). How much caffeine will be extracted from a 60 mL cup of Turkish coffee (100 mg caffeine) by 40 mL of methylene chloride (CH2Cl2)
Answers: 3
Chemistry, 22.06.2019 21:00
Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon
Answers: 1
Chemistry, 22.06.2019 23:00
Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
Answers: 1
Chemistry, 23.06.2019 01:30
Ascientist conducted an experiment and discovered that certain plants grow faster when given a particular amount of fertilizer. anouther scientist conducted the same experiment and got similar results. which concept does this best illustrate? a) repetition b) replication c) precision d) validity
Answers: 2
Chemistry, 23.06.2019 07:30
Can you guys answer these questions i need it before 1: 00pm
Answers: 3
1. Caffeine has a distribution coefficient of 8.4 for methylene chloride (CH2Cl2)/water (H2O). How m...
History, 17.09.2021 04:00
English, 17.09.2021 04:00
Mathematics, 17.09.2021 04:00
Mathematics, 17.09.2021 04:00
History, 17.09.2021 04:00
English, 17.09.2021 04:00
English, 17.09.2021 04:00
History, 17.09.2021 04:00