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Alex_Xolod [135]
3 years ago
10

What natural and human made features can a map show? Give two examples of each.

Chemistry
1 answer:
Bess [88]3 years ago
3 0
Natural: Land mounds, Rivers
Human made: Country borders, cities
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Aluminium +hydrochloride acid ________+_________​
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Answer:

Aluminium Chloride + Hydrogen

Please vote for Brainliest and I hope this helps!

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2 years ago
identify each material as a compound or a mixture. Caffeine contains hydrogen, carbon, nitrogen, and oxygen atoms in a fixed rat
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A sample of granite contains various oxides of silicon, aluminum, sodium, potassium, calcium, and iron. each of these oxides giv
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In an electroplating process, copper (ionic charge +2e, atomic weight 63.6 g/mol) is deposited using a current of 10.0 A. What m
salantis [7]

Answer : The mass of copper deposit is, 1.98 grams

Explanation :

First we have to calculate the charge.

Formula used : Q=I\times t

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Q = charge = ?

I = current = 10 A

t = time = 10 min = 600 sec      (1 min = 60 sec)

Now put all the given values in this formula, we get

Q=10A\times 600s=6000C

Now we have to calculate the number of atoms deposited.

As, 1 atom require charge to deposited = 2\times (1.6\times 10^{-19})  

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Now we have to calculate the number of moles deposited.

Number of moles deposited = \frac{(1.875\times 10^{22})}{(6.022\times 10^{23})}=0.03113 moles

Now we have to calculate the mass of copper deposited.

1 mole of Copper has mass = 63.5 g  

Mass of Copper Deposited = 63.5\times 0.03113 =1.98g

Therefore, the mass of copper deposit is, 1.98 grams

5 0
3 years ago
Reducing the volume of a contained gas by one third, while holding temperature constant, causes pressure to A. be decreased by t
Nostrana [21]
Reducing the volume of contained gas by one third, while holding temperature constant, causes pressure to D. be increased by one third
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