Questions and answers by

Yoo

Questions (17)

Which explains verb mood
1. 1 answer
2. 119 views
What is the sum of –3.8 + 9.8 + –5.7?A.-19.3 B.-0.3 C.0.3 D.19.3 The Answer is C. 0.3
1. 1 answer
2. 108 views
Supercoiling of DNA can occur (choose all that apply):A. when double stranded DNA is overwound B. when double stranded DNA is
1. 0 answers
2. 505 views
Supercoiling of DNA can occur (choose all that apply):A. when double stranded DNA is overwound B. when double stranded DNA is
1. 0 answers
2. 1,042 views
what are some chemical reasons that might have resulted in a lower yield of a product on a grignard reaction. Something related
1. 0 answers
2. 542 views
what other experiments or techniques can be used in replace of infrared spectroscopy
1. 1 answer
2. 588 views
rank strongest acid to weakest acid?rank strongest acid to weakest acid H3CNH2 CH3C (triple bond) CH CH2=CHCH3 H20 CH4 i tried
1. 5 answers
2. 5,087 views
in gas chromatography, why do E1 and E2 give different peaks (areas) though it's the same compound??dehydration of a secondary
1. 0 answers
2. 756 views
in gas chromatography, why do E1 and E2 give different peaks (areas) though it's the same compound??For example, for 1-butene,
1. 3 answers
2. 1,511 views
what product is formed from 1-bromo-2 methyl-cyclohexane reaction with CH3ONa and CH3OH...from a substitution reaction...I got
1. 0 answers
2. 868 views
standard free energy change of -11.70 kJ mol-1. Calculate equilibrium constant for 25 degrees C.I got 7.772..and it's wrong I
1. 2 answers
2. 442 views
I did a lab about melting point. It is asking me for the purity of the compounds?How do I find it? Do I use melting points or
1. 1 answer
2. 909 views
What does relocalization within this text?what does relocalization mean within this text "A sane urbanism has to mean an intense
1. 1 answer
2. 451 views
for oxidation number of Fe(CO)5I don't understand why Fe is zero
1. 1 answer
2. 492 views
Describe the electrolysis of an aqueous soln of KNO3
1. 1 answer
2. 572 views
Tarnished silver contains Ag2S. The tarnish can be removed by placing silverware in an aluminum pan containing an inert
1. 1 answer
2. 1,712 views
A hypothetical diprotic acid has pKa1=5 and pka2=7. Could a buffer at pH6 be prepared with this acid? If so how?
1. 1 answer
2. 555 views