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geniusboy [140]
2 years ago
8

The use of uranium-238 to determine the age of a geological formation is a beneficial use of

Chemistry
1 answer:
tester [92]2 years ago
3 0

Answer:

4- radioactive isotopes

Explanation:

I don't remember exactly but this question was on the regents

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Which element could be included in a hydrocarbon?<br><br> Ca<br><br> Zn<br><br> Cl<br><br> Sn
Vilka [71]
Ca.

Hydrogen and Carbon combined
Zn = zinc which is a metal, not a carbon atom
Cl=chlorine, just not a carbon atom
Sn isn’t a carbon atom.
I Am positive that it is Ca because Ca means carbon
8 0
2 years ago
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1. Which of these is an intensive property?
Novay_Z [31]

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Volume

Explanation:

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3 years ago
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stira [4]

Answer:

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8 0
2 years ago
Please leave workings as well
yulyashka [42]

Answer:

15g

Explanation:

The equation for the reaction is given below:

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From the equation,

56g of CaO produced 120g of CaSO3.

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