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vova2212 [387]
2 years ago
14

A missile is flying at a speed of 125 m/s. If the missile has a mass of 125 kg, what’s its kinetic energy?

Chemistry
2 answers:
LenKa [72]2 years ago
5 0

976,563 is the answer I got to your question

Fantom [35]2 years ago
5 0

Answer:

976 563

Explanation:

Hope you get it right thou

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Manganese, Mn, forms two ions, one with a 2+ charge and one with a 3+ charge. What is the formula for manganese (II) sulfide?
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The (II) lets you know it’s the form with a 2+ charge and Sulfate has a 2- charge

These will cancel out making it plain MnSO4

If it was manganese (iii) sulfide the answer would be Mn2(SO4)3
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our throat is dry, and you want the last cough drop in the box to last a long time in your mouth. What should you do? Keep the c
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You should keep the cough drop whole. This maintains the largest surface-to-volume ratio and slows the dissolution of the cough drop.

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What is the balanced chemical equations for fe + o2 → iron(౹౹) oxide?
pishuonlain [190]
The idea behind balancing chemical equations is that the number of atoms an element has on the reactants' side must be equal to the number of atoms it has on the products' side.

These atoms will become a part of different compounds once the reaction is completed, but they must always be in equal numbers on both sides.

So, look at iron first. One atom reacts, but two are produced - notice the 2 subscript iron has in Fe2O3. This means you must double the number of atoms on the reactants' side to reach an equality.

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Now look at oxygen. Two atoms react, but three are produced. The trick here is to find a common multiple that will make the number of atoms equal on both sides.

The easiest way to do this is to multiply the atoms that react by 3, which will give you 6 oxygen atoms that react, and the atoms that are produced by 2 - this will get you 6 oxygen atoms produced.

2Fe(s)+3O2(g)→2Fe2O3(s)

However, notice that the iron atoms are unbalanced again. You have 2 that react, but 4 that are produced → multiply the atoms that react by 2 again, which will give you

4Fe(s)+3O2(g)→2Fe2O3(s)

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