2 years ago

What is the definition of outermost electron cloud

1 answer:

7 0

The region of negative charge surrounding an atomic nucleus that is associated with an atomicorbital<span>. Hope that helps :)</span>

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If a chemist has 17.8 moles of N2H4O3, what is the mass of the sample?<br><br> show work plz

harkovskaia [24]

$(\frac{17.8mole}{1} )( \frac{66grams}{1mole} ) \: \: \: \: 17.8 \times 66 = 1.17 \times {10}^{3} grams$
the way that you get 66 is by adding he atomic mass unit of each atom in the formula. so N2 is 14 + 14 H4 is 1 * 4 and 03 is 16 * 3

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2 years ago

Water is amphoteric. If it reacts with a compound that is a stronger acid than itself, water acts as a

kirza4 [7]

Answer:

Water acts as a base in the presence of a strong acid

Explanation:

Water,being an amphoteric compound, can act both as an acid and as a base.

In the presence of an acid , water acts as a base but in the presence of a base, water acts as an acid.

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2 years ago

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rosijanka [135]

i believe the answer is A (((:

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2 years ago

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What is the mass of water that results from combining 2.0 g of hydrogen with 16.0 g of oxygen?

Feliz [49]

C. 18.0g. all you really have to do is add both of them together and you get your answer.

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3 years ago

10. Hydrogen and sulfur combine to make hydrogen sulfide.

Genrish500 [490]

Answer:

H₂S

Explanation:

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3 years ago