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olchik [2.2K]
2 years ago
9

I have 9 protons, 10 neutrons, and 5 electrons. what is the charge of my nucleus?

Chemistry
1 answer:
monitta2 years ago
7 0

Answer:

+4

Explanation:

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Select the answer that CANNOT be used to fill in the blank in the following sentence:
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Answer:

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Explanation:

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6 0
3 years ago
if a baloon filled with dry hydrogen weighs 35 gram,but weighs 440 grams when filled with the vapour of an organic compound. cal
Elan Coil [88]

Answer:

1) The vapor density of the organic compound is approximately 12.57

2) The relative molar mass (RMM) of the organic compound is approximately 25.14 grams  

Explanation:

1) The mass of the balloon filled with dry hydrogen = 35 grams

The mass of the balloon filled with vapor of an organic compound = 440 grams

The vapor density = (Weight of a given volume of gas)/(Weight of equal volume of hydrogen)

The vapor density of the organic compound = (440)/(35) ≈ 12.57

The vapor density of the organic compound ≈ 12.57

2) The relative molar mass (RMM) = 2 × vapor density

The relative molar mass (RMM) of the organic compound = 2 × vapor density of the organic compound

The relative molar mass (RMM) of the organic compound ≈ 2 × 12.57 ≈ 25.14 grams  

The relative molar mass (RMM) of the organic compound ≈ 25.14 grams  

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2 years ago
Which of the following molecules have the weakest attraction to each other?<br> F2<br> Cl2<br> Br2
bija089 [108]

Answer:

Explanation:

F2 have the weakest attraction to each other because of higher electronegativity when they are brought close to each other they repel each other

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3 years ago
When measuring the volume of an irregularly shaped object you would measure the amount of water____ or pushed away
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Displacement is the answer
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(20 POINTS) HELP... If you add an unknown liquid to a solution that has a pH of 5, and the pH of the new mixture goes down to 3,
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D

Explanation:

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