3 years ago

What is an amu..........?

Chemistry

1 answer:

Pepsi [2]3 years ago

8 0

Atomic Mass Unit hope it helps..

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When 2.00 kJ of energy is transferred as heat to nitrogen in a cylinder fitted with a piston with an external pressure of 2.00 a

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Answer: B

Explanation:

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How would Earths revolution be affected if it had a larger orbit??

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If you have 222 g of radioisotope with a half-life of 5 days, how much isotope would remain after 15 days?

Dima020 [189]

If the half life is 5 days, you would have to divide 222 by 2 3 times.
so 222/2 =111g
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3 years ago

The formula for calcium oxide is CaO. What are the formulas for magnesium oxide and strontium oxide?

Hunter-Best [27]

Answer:

Formula of magnesium oxide is MgO and formula of strontium oxide is SrO

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Ca, Mg and Sr are same group bivalent metals.

Oxygen is a bivalent element

In general, formula of a compound made of a cation $M^{x+}$ and an anion $A^{y-}$ is $M_{y}A_{x}$ for $x\neq y$