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xeze [42]
3 years ago
8

Wich of the following is a unit of volume in the english system of mesurement​

Chemistry
1 answer:
ch4aika [34]3 years ago
5 0

Answer:

uhh its gallon

Explanation:

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Plants produce a variety of substances:food,flavoring,drugs,poisons.this is a result of
tatuchka [14]

Answer:

Synthesis

Explanation:

They synthesize these chemicals

7 0
3 years ago
An isotope of iron has 28 neutrons. If the atomic mass of the isotope is 54, how many protons does it have?
Crazy boy [7]
26 because you need to do 54-28=26
The atomic mass number is the number of protons AND neutrons together.
5 0
3 years ago
Read 2 more answers
What is the mass in grams of 3x10 atoms of helium
Zepler [3.9K]

Answer:

here

Explanation:

What is the total mass of $$3.01 x 10^23$$ atoms of helium gas?

✓ Well $$"Avogadro's number"$$ of helium atoms has a mass of $$4.0*g$$. Explanation: And $$"Avogadro's number"$$

3 0
3 years ago
Does pb(no3)2 + Na3(PO4) = Pb3(PO4)2 + Na(NO3) have a precipitate?
ipn [44]

Answer:

Yes, Pb3(PO4)2.

Explanation:

Hello there!

In this case, according to the given balanced chemical reaction, it is possible to use the attached solubility series, it is possible to see that NaNO3 is soluble for the Na^+ and NO3^- ions intercept but insoluble for the Pb^3+ and PO4^2- when intercepting these two. In such a way, we infer that such reaction forms a precipitate of Pb3(PO4)2, lead (II) phosphate.

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4 0
3 years ago
Calculate the mass, in grams, of 122 atoms of iron, Fe (1 mol of Fe has a mass of 55.85 g).
vitfil [10]

Answer:

6813.7g

Explanation:

Calculate the mass

Let x be the mass

If 1 mol of Fe has a mass of 55.85 g

1 mol =55.85g

122mol= x

we have x= 122•55.85g=6813.7g

7 0
3 years ago
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