3 years ago

PLEASE ANSWER ASAP 30PTS How can you determine and object’s mechanical energy ?

Chemistry

1 answer:

pychu [463]3 years ago

3 0

Mechanical energy of a body is simply the combination of its kinetic energy and potential energy

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Give the complete ionic equation for the reaction (if any) that occurs when aqueous solutions of lithium sulfide and copper (II)

Aloiza [94]

Answer:

$2Li^+_{(aq)}+S^{2-}_{(aq)}+Cu^{2+}_{(aq)}+2NO_3^{-}_{(aq)}\rightarrow CuS_{(s)}+2Li^+_{(aq)}+2NO_3^{-}_{(aq)}$

Explanation:

Complete ionic equation : In complete ionic equation, all the substance that are strong electrolyte and present in an aqueous are represented in the form of ions.

The balanced molecular equation will be,

$Li_2S_{(aq)}+Cu(NO_3)_2_{(aq)}\rightarrow CuS_{(s)}+2LiNO_3_{(aq)}$

The complete ionic equation in separated aqueous solution will be,

$2Li^+_{(aq)}+S^{2-}_{(aq)}+Cu^{2+}_{(aq)}+2NO_3^{-}_{(aq)}\rightarrow CuS_{(s)}+2Li^+_{(aq)}+2NO_3^{-}_{(aq)}$

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Tastes bitter acid or base

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Base is what tastes bitter.

Associate acids with citrus, like lemons. Acids are sour.
Bases are bitter and would be things like cleaning supplies.

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lianna [129]

Boyles law is P1V1=P2V2 where P is pressure and V is volume so the answer is pressure and volume

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If different groups of scientist have access to the same data, how can they draw different conclusions?

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The first one me is the answer

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6. Which of the following units would be MOST appropriate for measuring

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Answer:

Meter

Explanation:

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