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4 years ago

How many moles of nh3 can he produced from the reaction of 38 g of n2

1 answer:

5 0

N₂ + 3 H₂ → 2 NH₃

number of moles of N₂ = 38 g / 28 g/mol = 1.357 mol

1 mole of N₂ gives 2 moles of NH₃
1.357 mol of N₂ will give ?? mole NH₃

= 2 x 1.357 = 2.7 mol NH₃

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The question is incomplete as it does not have the options which has been provided in the attachment.

Answer:

1. sudden decrease

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Explanation:

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This decrease can cause fainting and death of the individual due to the malfunctioning of the body parts, especially the brain.

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Helium only possesses two valence electrons, while the other noble gasses posses eight

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3 years ago

A 6.1-kg solid sphere, made of metal whose density is 2600 kg/m3, is suspended by a cord. When the sphere is immersed in a liqui

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Answer:

Density of the liquid = 1470.43 kg/m³

Explanation:

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Volume displaced = 0.002346 m³

Buoyant force = $\rho\times gV$

Where

$\rho$ is the density of the fluid

g is the acceleration due to gravity

V is the volume displaced

The free body diagram of the sphere is shown in image.

According to image:

$mg=\rho\times gV+T$

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Applying in the equation to find the density of the liquid as:

$6.1\times 9.81=\rho\times 9.81\times 0.002346+26$

$33.841=\rho\times 9.81\times 0.002346$

$\rho=\frac{33.841}{9.81\times 0.002346}$

$\rho=1470.43 kgm^3$

<u>Thus, the density of the liquid = 1470.43 kg/m³</u>

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