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Anna35 [415]
3 years ago
9

An industrial chemist is studying a sample of an unknown metal. Describe two ways he could change the metal physically and two w

ays he could change the metal chemically to try to identify it.
Chemistry
1 answer:
Illusion [34]3 years ago
5 0

Answer:idk what they cpuld do but we can say this is the right answer :))))

Explanation:

I need PoInTs

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Pls help why is it reduced
Ipatiy [6.2K]

Answer:

its orginal charge is none then through the reaction it is reduced because then final charge is -1 meaning is went down 1 so its charge was reduced

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4 0
2 years ago
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Using water to measure the volume of small irregular shaped objects is called? *
Fed [463]

Answer:

B. water displacement is used "graduated cylinder is filled with water (100 mL) and the object is then put inside. ... If the new water level is (120 mL) we now know that the object has a volume of 20 mL."

Explanation:

4 0
2 years ago
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The graph shows the consumption of gasoline and diesel fuels by vehicles in the United States for a period of 40 years.
grigory [225]

Answer:

B. It would lead to an increase of global temperatures.

Explanation:

Gas burns when it is hot. Therefore the more gas that our cars consume, the hotter the air will be when the car releases those gas vapors. Causing the air to become hotter.

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2 years ago
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A 25.0g piece of aluminum sits in a room and cools. It loses 4300.0 J of heat. If the initial temperature of aluminum is 125.3°C
Vesna [10]

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-65.8C

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8 0
2 years ago
The jet stream is one of the key winds that moves air masses. in which direction does the jet stream in the united state general
OleMash [197]

The jet stream is one of the key winds that moves air masses at the direction from west to east it moves.

<h3>What are jet streams?</h3>

Jet streams are strong winds which are flow in the form of narrow bands in the upper part of the atmosphere. On the earth these winds are flows near the altitude of the tropopause. These winds carries weather systems and blows toward the colder northern air and due to the rotation of earth, its direction is from west to east.

Hence jet streams move winds from west to east direction.

To know more about jet streams, visit the below link:
brainly.com/question/791542

7 0
2 years ago
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