3 years ago

What was the event that triggered Nicole’s deterioration

Chemistry

2 answers:

inn [45]3 years ago

8 0

Answer: A severe viral respiratory infection

Kobotan [32]3 years ago

3 0

Answer:

The question is incomplete.

Explanation:

I am sorry I could help you more out here. I do not have any relevant information to the case. If you could please provide me, I am sure I can help you in detail answer.

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Three clues that indicate chemical change

Bad White [126]

Explanation:

temperature

taste

and acidity rate

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Which of the following are always larger than the neutral atoms from which they are formed?

Anuta_ua [19.1K]

Answer:

A) Cations

Explanation:

a) Cations have a positive charge and are larger than their neutral counterparts!

b) Anions have a negative charge and are smaller than their neutral counterparts

c) Metals can have either a positive or negative charge making it either a cation or an anion

d) Carbon is an element and it can have a charge anywhere from +4 to -4

A good way to remember that cations are positive is to think that CATions are always PAWSitive! ^-^

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3 years ago

Balance AI(NO3)3 + H2SO4 → Al2(SO4)3 + HNO3

nikklg [1K]

Answer:

2Al(NO3)3 + 3H2SO4 → Al2(SO4)3 + 6HNO3

Explanation:

i just looked up how to balance it, i dont really know how to balance it exactly

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3 years ago

Write the electronic configuration of the Na +, Mg2 +, Ca2 + and Rb + ions.

satela [25.4K]

Answer:

pen

Explanation:

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3 years ago

Hydrogen peroxide can decompose to water and oxygen by the following reaction

mestny [16]

To begin calculating, there is one thing you need to remember : $1 mole of H2O2=34.0148 g$
Then we have $5.00g of H2O2=5/34.0148=0.146995$
As you know decomposition of 2moles now has prodused 196kj
So, q is made due $0.146995 moles of H2O2$ $=(-196/2)*0.146995=-14.40551Kj$
I'm sure it will help.

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3 years ago