3 years ago

Help plz i need it my mom is mad at me for not knowing this

1 answer:

ohaa [14]3 years ago

5 0

Lol ok ill help the answer is true and she SHOULDNT be mad at you

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Lady_Fox [76]

1) Decomposition reactions. In this type of reaction, a compound is broken down into simpler compounds.

$AB\rightarrow A+B$

Option B is a decomposition reaction

B) ____ KClO3 → ____ KCl + ____ O2

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1 year ago

sergejj [24]

The atomic mass of Europium is 152 amu

Work:
151(0.4803) = 72.52 amu
153(0.5197) = 79.5 amu
72.5 + 79.5 = 152 amu

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3 years ago

Ivenika [448]

3 of them left and i just need points lol sorrrry

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3 years ago

KIM [24]

The answer is an igneous rock.

Hope this helps!!

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3 years ago

-BARSIC- [3]

Reaction:

$\mathrm{Mg \: + \: CuO \rightarrow Cu\: + \: MgO}$

Magnesium is a stronger reducing agent than copper and is thus able to reduce copper(II) oxide.

Products of the reaction: Magnesium oxide and metallic copper.

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3 years ago