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3241004551 [841]
4 years ago
5

Alfred wegener l is best known for what hypothesis?

Chemistry
2 answers:
ozzi4 years ago
7 0
C- continental drift<span />
Sphinxa [80]4 years ago
3 0
I would agree on C....

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How many moles of O atoms are present in a 254 g sample of carbon dioxide?
MaRussiya [10]

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11.6mol

Explanation:

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A 25 g substance has a temperature increase of 17’c when it absorbs 340 J of heat. What is it’s specific heat?
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Which of the following is an aldehyde?
balu736 [363]

Answer:  CH_3CH_2CH_2CHO has aldehyde functional group.

Explanation:

Functional groups are specific group of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules.

A.  CH_3CH_2CH_2COCH_3 has ketone C=O functional group .

B.  CH_3CH_2CH_2COOH has carboxylic acid COOH functional group .

C.  CH_3CH_2CH_2CHO has  aldehyde H-C=O functional group .

D. CH_3CH_2CH_2COOCH_3 has ester RO-C=O functional group .

Thus CH_3CH_2CH_2CHO has aldehyde (CHO) group.

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the compound sodium sulfide consists of a ratio of two sodium ions (Na+) to one sulfide ion (Sa-). write the chemical formula fo
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Na₂S

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