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3 years ago

Really easy chemistry question

Chemistry

2 answers:

Lady bird [3.3K]3 years ago

7 0

Answer:

The correct answer is B)!

Explanation:

Confirming the answer above. Happy to help!

prisoha [69]3 years ago

3 0

Answer:

The answer to your question is: b

Explanation:

a) This option is wrong, these elements have 6 valence electrons not two.

b) This option is right, these elements are located in the 6th group of the periodic table which means 6 valence electrons

c) These option is wrong, these elements gain 2 electrons to achieve stability.

d) These elements do not lose electrons, they gain electrons, this option is incorrect.

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Did I get these correctly?

Luda [366]

Those are both correct! great job, keep up the good work (-:

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3 years ago

The number of molecules in 1.0 mole of H2O is the same as in one mole of O2.

zaharov [31]

True. A mole of anything has the same amount of molecules. 1 mole = 6.022 x 1023 molecules

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3 years ago

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2 years ago

imine formation is an acid-catalyzed process, however the procedure performed in this does not require the addition of an extern

SVETLANKA909090 [29]

Answer:

See explaination

Explanation:

Reaction between p- toluidine and o- vaniline to form imine.This reaction does occur in the presence of a acidic source.

Here the -OH group in the o- vaniline is quite acidic so it acts a internal acidic catalyst. Hence the reaction occurred in the absence of any external acidic source.The reaction mechanism is given at the attached file.

please kindly see attachment.

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3 years ago

Many people have a tendency to think that heat and temperature are the same thing. However, this is not true. Heat describes A.

enyata [817]

The correct answer is actually

B) energy that flows from warmer objects to cooler objects.

because temperature is a measure of the average amount of energy possessed by an object due to the random motions of its particles. Heat is the energy that flows from warmer objects to cooler objects. Heat cannot flow in the opposite direction.

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3 years ago

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