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mr_godi [17]
3 years ago
12

Different measurements are expressed in different units. Choose the correct Sl units for the lo

Chemistry
1 answer:
swat323 years ago
8 0

Answer:

The SI units for measuring the velocity of the car: meters per second (m/s)

The Sl units for measuring the acceleration of the car: meters per second squared  (m/s^2)

The SI units for measuring force:  Newton (N)

The SI units for measuring mass: kilograms (kg)

Explanation:

Système international (SI) or International System of Units consist of a list of unit measurement that mostly used by scientist. The scientist from a different country might use different unit that makes them have to convert the result of each other. The usage of the same unit measurement will help the scientist to read that publication easier, make it easier to share and discuss any topic. The unit used is metric since the decimal system also makes the conversion of a unit easier.  

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3 years ago
Please help!
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A- Physical, B- Chemical, C- chemical, D- Physical

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B is Chemical because a new substance is formed creating the orange color of rust.

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D is physical because we are just changing the shape/ size of the item, not anything to do with its substances.

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2 years ago
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Arsenic produces a blue flame when heated. Calcium produces an orange-red flame. Which of these best explains why this differenc
MrMuchimi

Flame colors are produced from the movement of the electrons in the metal ions present in the compounds. When you heat it, the electrons gain energy and can jump into any of the empty orbitals at higher levels Each of these jumps involves a specific amount of energy being released as light energy, and each corresponds to a particular color. As a result of all these jumps, a spectrum of colored lines will be produced. The color you see will be a combination of all these individual colors.

6 0
3 years ago
Which wind blows cool air inland during the day?
Korolek [52]

Answer:

Land Breeze is the answer

4 0
3 years ago
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A sample of a chromium-containing alloy weighing 3.450 g was dissolved in acid, and all the chromium in the sample was oxidized
Zina [86]

Answer:

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Explanation:

Reduction half reaction

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Oxidation half reaction

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Balanced overall equation

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