Chemistry, 21.02.2020 17:10 samantha636
In aldehydes, the carbonyl carbon atom is bonded to a hydrogen atom, whereas in ketones the carbonyl carbon atom is bonded to another carbon atom.
Determine which of the following statements are true.
a. Ketones have lower boiling points than alcohols of similar size
b. Aldehydes with more than five carbon atoms are soluble in water, but not organic solvents.
c. Butanal has a higher boiling point than 2-butanol
d. Aldehydes contain a carbon-oxygen double bond.
e. Both aldehydes and ketones can hydrogen bond with water molecules.
f. Propanal is a gas at room temperature, whereas formaldehyde (methanal) is a liquid at room temperature.
Answers: 3
Chemistry, 22.06.2019 01:20
Match the acid base pairs by arranging the acid name with the conjugate base formula. hydrogen carbonate hydrogen phosphate carbonic acid read water sulfuric acid phosphoric acid a. co32- b. hso4- c. hco3- d. po43- e. h2po4- f. oh-
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Chemistry, 22.06.2019 02:30
When you perform this reaction, what could remain at the end of the reaction? check all that apply. excess reactant aqueous copper chloride excess reactant aluminum oxygen product solid copper carbon dioxide product aqueous aluminum chloride water
Answers: 2
Chemistry, 22.06.2019 04:00
You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present
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Chemistry, 22.06.2019 06:00
There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit
Answers: 1
In aldehydes, the carbonyl carbon atom is bonded to a hydrogen atom, whereas in ketones the carbonyl...
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