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Effectus [21]
2 years ago
9

Write a word equation for the extraction of tin from tin oxide using carbon

Chemistry
1 answer:
Ann [662]2 years ago
3 0

SnO2 + 2C => Sn + 2CO

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The charge per unit length on a glass rod is 0.00500 C/m. If the rod is 1 mm long, how many electrons have been removed from the
ehidna [41]

Answer:

3.125 × 10¹³ Electrons

Explanation:

Data provided in the question:

Charge per unit length on rod = 0.00500 C/m

Length of the rod = 1 mm = 1 × 10⁻³ m

Therefore, the total charge on the rod

= Charge per unit length on rod × Length of the rod

= 0.00500 C/m × ( 1 × 10⁻³ m)

= 5  × 10⁻⁶ C

Thus,

Number of electrons removed

=  total charge on the rod ÷ Charge of an electron

= 5  × 10⁻⁶ ÷ (1.6 × 10⁻¹⁹)

= 3.125 × 10¹³ Electrons

5 0
3 years ago
How do molecules in a solid differ from those in a liquid or gas
artcher [175]
Molecules in solids are packed a lot closer together than molecules in liquids and gases, so there is far less space between solid particles. Because of this, solid particles cannot move around quickly and freely like liquids and gases, instead they only vibrate so are fairly 'locked' into the same place, so solids have fixed volume and space.
5 0
3 years ago
A proton travels at a speed of 2.0 × 106 meters/second. Its velocity is at right angles with a magnetic field of strength 5.5 ×
Finger [1]

So here we are given that the the velocity of the proton ( V ) is 2.0 × 10^6 meters / second, with a magnetic field of strength 5.5 × 10^{-3}  tesla. If they each form a right angle, they are hence perpendicular to one another, such that ....

F = q( V × B ),

F = q v B( sin ∅ ),

F = q v B( sin( 90 ) )

.... they form the following formula. Let's go through each of the variables in our formula here -

{ F = Magnetic Force ( which has to be calculated ), q = charge of proton (has charge of 1.602 × 10^{19} coulombs ), B = magnetic field }

All we have to do now is plug and chug,

F = ( 1.602 × 10^{19} )( 2.0 × 10^6 )( 5.5 × 10^{-3} ) = ( About ) 1.8 × 10^{-15} Newtons

6 0
3 years ago
PLZZZZZ HELPPP THANK U 10 ptsssss
balandron [24]
Hi!

I think the oxidation state of all the atoms should change. :)

Hope this helps
6 0
3 years ago
Periodic trends are examined by looking down the _ of elements or by looking across the _ of the elements
nikklg [1K]

Answer: yo sorry this a hard one

Explanation:

bro

6 0
2 years ago
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