2 years ago

Which atom has only one pair of electrons in its outermost energy level?

Chemistry

1 answer:

inysia [295]2 years ago

8 0

Answer:

i belive A, i cold be wrong tho, pls tell me if im right if you fully find out

ght. Explanation:

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A(n) _______ is an organic compound in which a carbonyl group is bonded to a nitrogen atom. (2 points)

sineoko [7]

A(n )amide is an organic compound in which a carbonyl group is bonded to a nitrogen atom. This is usually regarded as derivatives of carboxylic acids in which the hydroxyl group has been replaced by an amine or ammonia.

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3 years ago

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A buffer consists of 0.45 M CH3COOH (acetic acid) and 0.35 M CH3COONa. The Ka of acetic acid is 1.8 x 10-5 . a) Calculate the pH

Zigmanuir [339]

Answer:

A) pH of Buffer solution = 4.59

B) pH after 5.0 ml of 2.0 M NaOH have been added to 400 ml of the original buffer solution = 4.65

Explanation:

This is the Henderson-Hasselbalch Equation:

$pH = pKa + log\frac{[conjugate base]}{[acid]}$

to calculate the pH of the following Buffer solutions.

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3 years ago

Which lists the correct order of the steps? 4,2,1,3 4,1,3,2 4,3,1, 2 4, 2, 3.1

Alik [6]

Answer:

4,3,1,2 thise is my answer.

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3 years ago

Curium – 245 is an alpha emitter. Write the equation for the nuclear reaction and identify the product nucleus.

BabaBlast [244]

Answer:

Please find the complete solution in the attached file.

Explanation:

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3 years ago

How many cubic centimeters are there in 200 milliliters?

DiKsa [7]

Answer:

200 mL = 200 cm³

Explanation:

The relationship between cm³ and mL is 1:1.

1 cm³ = 1 mL

Thus, 200 mL is converted to cm³ as follows:

(200 mL)(1 cm³/1 mL) = 200 cm³

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3 years ago