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3 years ago

This iron oxide mineral commonly has a reddish color and consistently has red streaks. What mineral is it?

Chemistry

1 answer:

Nezavi [6.7K]3 years ago

6 0

solution:

This iron oxide mineral commonly has a reddish color and consistently has red streaks. this streaks is hematite.

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Fe2O3 + 2Al = 2Fe + Al2O3 is this a redox reaction

katovenus [111]

Answer:

<h3>2Al+ Fe2O3 gives 2Fe + Al2O3. The given reaction is a redox reaction. As oxidation and reduction are taking place simultaneously.</h3>

Explanation:

like this...Identify oxidation and reduction with their agents:

<h3>•Fe2O3 is reduced to Fe whereas Al is oxidized to Al2O3</h3>

<h3>In the above reaction:</h3>

<h3>Oxidizing agent:Fe2O3</h3>

<h3>Reducing agent:Al</h3>

I hope it's help you (◠‿・)—☆

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3 years ago

Which statement concerning how geologists locate an earthquake's epicenter are accurate? check all that apply

allochka39001 [22]

Answer:

D.Geologists use data from three or more data stations to determine the location of the epicenter.

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2 years ago

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How do we know that K2CrO4 and Ba(NO3)2 are not solids?

navik [9.2K]

I would say is because of the Boron from O?

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3 years ago

Find the horizontal range of a projectile launched at 15 degrees to the horizontal with speed of 40m/s

vfiekz [6]

To Find :

The horizontal range of a projectile launched at 15 degrees to the horizontal with speed of 40 m/s.

Solution :

The horizontal range of a projectile is given by :

$R = \dfrac{u^2 sin 2\theta}{g}$ ( Here, g is acceleration due to gravity = 10 m/s² )

Putting all value in above equation :

$R = \dfrac{40^2 \times sin (2 \times 15)}{10} \ m\\\\R = \dfrac{1600 \times 1}{2\times 10} \ m\\\\R = 80 \ m$

Therefore, the horizontal range of projectile is 80 m.

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3 years ago

What volume of 2.0 M HCl in mL will neutralize 25.0 mL of 1.00 M KOH?

MakcuM [25]

CaVa=CbVb
2xV=1X25
V=25/2
V=12.5ML

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3 years ago