3 years ago

HELP ASAP SCIENCE pls do it fast! WITH PROOF

Chemistry

1 answer:

goldenfox [79]3 years ago

3 0

Answer:

a toster

Explanation:

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A sample of potassium has an average atomic mass of 39.0983amu. There are three isotopic forms of potassium element in the sampl

igomit [66]

Answer:

Percent Composition of 41K = 6.7302%

Explanation:

The explination is in the image.

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3 years ago

The boiling process is considered to be____

Dmitry_Shevchenko [17]

your answer is D. physical change, because a new substance is not formed.

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2 years ago

Please help

aev [14]

Answer:

Copper(II) sulphate – sodium hydroxide reaction

The reaction between copper(Il) sulphate and sodium hydroxide solutions is a good place to start. If you slowly add one to the other while stirring, you will get a precipitate of copper(II) hydroxide, Cu(OH)2.

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What is the correct formula for xenon hexafluoride? XeF XeF6 Xe6F6 Xe6F

Vinil7 [7]

Hexa- means six
"hexa-" and it is in front of the fluoride so that means we have 6 fluorines
Answer:
xenon hexafluoride → $XeFl_{6}$

Any questions?

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3 years ago

Read 2 more answers

PLZ HELP THIS IS IMPORTANT!!

taurus [48]

A) Magnesium Chloride

Mg is the symbol of Magnesium and Cl is the symbol of chlorine ( but when Cl is a compound it will be Choride)

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3 years ago

HELP ASAP *SCIENCE* pls do it fast! WITH PROOF

HELP ASAP SCIENCE pls do it fast! WITH PROOF