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Shalnov [3]
3 years ago
14

Which of these is given away or accepted by an atom when it reacts with other atoms?

Chemistry
2 answers:
musickatia [10]3 years ago
8 0

electron i got it right on a test

Alborosie3 years ago
7 0
A; Electron is your answer.
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Consider the aldol condensation between dibenzyl ketone and benzil in strong base. Calculate the molar masses of the reactants a
Sati [7]

Answer:

a) 210.3 g/mol

b) 210.2 g/mol

c) 384.5 g/mol

Explanation:

First step we will calculate the molar masses of ; carbon atom, hydrogen atom and  oxygen atom in each .

<u> Molar mass of dibenzyl ketone</u>

Molar mass of dibenzyl ketone = ∑ molar masses of atoms in dibenzyl ketone

= carbon( 15 ) = 15 ( 12.0107 ) + oxygen ( 14 ) = 1 ( 15.999 ) + hydrogen(14) =14(1.00784)

= 210.26926 ≈ 210.3 g/mol

<u>  Molar mass of benzil</u>

Molar mass of Benzil =  ∑ molar masses of atoms in  Benzil

= carbon( 14) = 14(12.0107) + oxygen(2) = 2 ( 15.999) +  hydrogen(10) =10(1.00784)

= 210.2262 ≈ 210.2 g/mol

<u>Molar mass of 2,3,4,5-tetraphenylcyclopentadienone</u>

Molar mass  = ∑ molar masses of atoms

= carbon ( 29) = 29(12.0107) + oxygen (1) = 1( 15.999 ) + hydrogen(20) = 20(1.00784 )

≈ 384.5 g/mol

6 0
3 years ago
Lenses can be found in a variety of objects. Which example does not contain a lens?
EastWind [94]
A diving mask does not have a lens
3 0
3 years ago
Read 2 more answers
Question 3 of 10
Darya [45]

The pOH of a solution with [OH] = 9.0 × 107 will be D (6.04).

<h3>What is ph value?</h3>

A ph value is the measure of acidity and the basics of a substance or solution.

Given;

[OH] = 9.0 × 10^7

pOH = - log [OH⁻]

pOH = - log (9.0 x 10⁻⁷)

pOH = 6.0457

Hence, The pOH of a solution with [OH] = 9.0 × 107 will be D (6.04).

Learn more about ph value here;

brainly.com/question/15888398

#SPJ1

8 0
2 years ago
How many moles of sodium hydroxide are required to react completely with 23.1 moles of sulfuric acid
almond37 [142]

Answer:

46. 2 moles of NaOH

Explanation:

Balanced chemical equation between sodium hydroxide and sulfuric acid

2NaOH + H2SO4 = Na2SO4 + 2H2O

I mole of sulphuric acid is neutralized by = 2 moles of NaOH

23.1 mole of sulphuric acid is neutralized by = 2 x 23.1

                                                                       = 46. 2 moles of NaOH

3 0
3 years ago
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4. A food label is marked 4500 Calories. How many Calories is this? Justify your answer.
Nata [24]

Answer:

5

Explanation:

Xx cals

4 0
3 years ago
Read 2 more answers
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