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2 years ago

Balance the equation below Fe, Fe+ 02

Chemistry

1 answer:

Katena32 [7]2 years ago

5 0

2 Fe2O5-> 4 Fe+ 5 O2

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sesenic [268]

Answer:

A skater moving downhill at increasing speed

Explanation:

A push or pul on object called force .It is of two types.

Balanced force
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2 years ago

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A sample compound contains 5.723g Ag, 0.852g S and 1.695g O. Determine its empirical formula.

Lubov Fominskaja [6]

Answer:

$Ag_2SO_4$

Explanation:

Formula for the calculation of no. of Mol is as follows:

$mol=\frac{mass\ (g)}{molecular\ mass}$

Molecular mass of Ag = 107.87 g/mol

Amount of Ag = 5.723 g

$mol\ of\ Ag=\frac{5.723\ g}{107.87\ g/mol} =0.05305\ mol$

Molecular mass of S = 32 g/mol

Amount of S = 0.852 g

$mol\ of\ S=\frac{0.852\ g}{32\ g/mol} =0.02657\ mol$

Molecular mass of O = 16 g/mol

Amount of O = 1.695 g

$mol\ of\ O=\frac{1.695\ g}{16\ g/mol} =0.10594\ mol$

In order to get integer value, divide mol by smallest no.

Therefore, divide by 0.02657

$Ag, \frac{0.05305}{0.02657} \approx 2$

$S, \frac{0.02657}{0.02657} \approx 1$

$O, \frac{0.10594}{0.02657} \approx 4$

Therefore, empirical formula of the compound = $Ag_2SO_4$

7 0

3 years ago

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What happens to the light ray when it hits the boundary between water and glass

torisob [31]

Answer: If the light ray hits the boundary at an angle which is not perpendicular to or parallel to the surface, then it will change direction and appear to `bend'

Hope This Helps You! :D

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3 years ago

Guys someone shared their notes with me how should I thank them

Dvinal [7]

مسويها اصريت تصريحات

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2 years ago

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Give an example of one type of energy conversion (change to another form). Be sure to explain your example.

Daniel [21]

Potential to Kinetic Energy.
When you a basketball in your hand that is potential energy. Then, when you bounce the ball that is kinetic energy.

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3 years ago