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goldenfox [79]
3 years ago
7

Why is it better to give the actual speed of an object rather than to simply say it moved fast or it moved slowly

Chemistry
1 answer:
DIA [1.3K]3 years ago
3 0
Specificity. It’s really loose to say that something is fast, since speed can be scalarly linked and relative. I could say that both a car on the highway is fast, but so is the speed of light. The actual speed of something helps to do away with the arbitrary nature of using “fast” and “slow”; however, we’re still at step one of the person who is receiving the information is unfamiliar with the scale that the actual speed is defined in.
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What causes the wind and weather on earth plz help
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3 years ago
The mass number refers to the totaol number of _____and_____which can be found int he nucleus of the atom
Gnom [1K]
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IrinaK [193]
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8 0
4 years ago
If you began a reaction with the following ions in solution, what would be the net ionic equation?
Mumz [18]

Answer:

2 PO₄³⁻(aq) + 3 Fe²⁺(aq) ⇒ Fe₃(PO₄)₂

Explanation:

Let's consider the complete ionic equation between the ions present. It includes all the ions and the insoluble compounds (Fe₃(PO₄)₂ is insoluble).

Na⁺(aq) + 2 PO₄³⁻(aq) + 3 Fe²⁺(aq) + NO₃⁻(aq) ⇒ Fe₃(PO₄)₂ + Na⁺(aq) + NO₃⁻(aq)

The net ionic equation includes only the ions that participate in the reaction (not spectator ions) and the insoluble compounds.

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6 0
3 years ago
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sattari [20]

Answer:

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N - number of neutrons

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3 0
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