3 years ago

Which element(s) is/are not balanced in this equation?

Chemistry

1 answer:

Oxana [17]3 years ago

5 0

The answer is Didn't
the left side has 2 K and right right side is only one

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One gram of alum, KAl(SO4)2.12H2O, contains 1.3 × 1021 Al atoms. How many oxygen atoms are contained in 1.0 g alum?

Roman55 [17]

From the chemical formula, 1 formula unit of KAl (SO4)2.12H2O encompasses 1 atom of Al = 4 * 2 atoms of O in KAl (SO4)2 + 12 atoms of O in 12H2O which is equal to 20 atoms of O.

So, if you have 1.3 × 10^21 Al atoms, you have 20 * 1.3 × 10^21 O atoms will now be equal to 2.6 * 10^22 atoms of O.

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3 years ago

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Which isomer of 1-tert-butyl-3-ethyl-5-methylcyclohexane below is thermodynamically the most stable?

Agata [3.3K]

<h2>Answer:</h2>

Option A is correct.

<h3>Explanation:</h3>

In the options given below the isomer given in the option A of 1-tert-butyl-5-methylcyclohexane is the most stable of all. The IUPAC name for this compound is 1-tert-butyl-3-ethyl-5-methylbenzene.

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3 years ago

A gas has a volume of 3.00 L at 65.0 C. The same gas has a volume of 11.4 L at 105 C and 1725 mmHg. What was the original pressu

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3 years ago

Please help! you’ll be marked brainliest

Trava [24]

Answer:

Number of Protons:

Co: 27

Cl: 17

K: 19

S: 16

Al: 13

P: 15

Number of Electrons:

Co: 25

Cl: 18

K: 18

S: 18

Al: 10

P: 18

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2 years ago

Draw the organic product(s) of the reaction of phenylacetaldehyde with 2 ch3oh, hcl catalyst. you do not have to consider stereo

svet-max [94.6K]

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In given problem the aldehyde given is P<span>henylacetaldehyde and alcohol is Methanol. The reaction is done stepwise as shown below,</span>

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3 years ago