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algol13
3 years ago
9

A 0 point 5 kg arrow was shot at a target. The arrow accelerated at 200 meters per second squared. What was the net force on the

arrow to the nearest newton?
Chemistry
1 answer:
geniusboy [140]3 years ago
7 0

Answer:

2

Explanation:

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Write the equilibrium expression of each chemical equation.<br> 2H2S(g) 2H2(g) + S2(g)
hodyreva [135]

Answer:

<u>[H2]2[S2][H2S]2Kc=[H2]2[S2][H2S]2</u>

Explanation:

2H2S(g)⇋2H2(g)+S2(g)2H2S(g)⇋2H2(g)+S2(g)

The equilibrium constant expression in terms of concentrations is:

Kc=<u>[H2]2[S2][H2S]2Kc=[H2]2[S2][H2S]2</u><u>.</u>

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Mn (s) + NiCl2 (aq) → MnCl2 (aq) + Ni

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The order of displacement of metals from aqueous solution by another metal is defined by the activity series of metals.

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Nickel has a less negative electrode potential than manganese hence it is displaced from an aqueous solution of its salt by manganese spontaneously.

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The kinetic molecular theory of gases explains that if there is small volume of gas there will be more crowding of the gas molecules inside the container. The crowded gas molecules will collide with each other and also with the walls of container as a result, exchange of energies will take place. Which will increase the pressure inside the container, and will raise the pressure than the initial pressure.

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