2 years ago

Dating advice help meeeeee!!!

Chemistry

2 answers:

Lana71 [14]2 years ago

8 0

Answer:

Be yourself, be kind, cute, funny, and yeah

Explanation:

artcher [175]2 years ago

5 0

Answer:

depends on what the situation is :)

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The oceanic crust is made primarily from this type of rock. A) basalt B) halite C) granite D) limestone

masya89 [10]

The answer is A. Basalt rock.

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3 years ago

How many additional grams of KOH are required to increase the concentration of the solution to 0.500 m? G

katen-ka-za [31]

Answer:

21.9g

Explanation:

This is the answer if you are on edginuity,

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2 years ago

How many formula units (particles of AgNO3) are in 5.50 grams of AgNO3?

lianna [129]

Answer:

No of molcules(N)= 1.98×10^22

Explanation:

m=5.5, Mm= 167, NA= 6.02×10^23

Moles(n)= m/M= N/NA

5.5/167 = N/6.02×10^23

SIMPLIFY

N=1.98×10^22molecules

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2 years ago

If the empirical formula for a compound is NO2 and the molecular mass is 230.05 g/mol, what is the molecular formula for the com

PilotLPTM [1.2K]

Answer: $\text{N}_{5}\text{O}_{10}$

Explanation:

The atomic mass of nitrogen is 14.0067 g/mol.
The atomic mass of oxygen is 15.9994 g/mol.

This means the molecular mass of nitrogen dioxide is $14.0067+2(15.9994)=46.0055$ g/mol.

Dividing this molecular mass of the compound we need to find, we get that

$\frac{230.05}{46.0055} \approx 5$ .

So, the final answer is $\boxed{\text{N}_{5}\text{O}_{10}}$

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1 year ago

What do you notice about the reactivity of an element and the number of valence electrons it have?

miss Akunina [59]

The more electrons it has, the more reactive it is

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2 years ago