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2 years ago

When warmed with an ammonium salt ammonia gas is given off

Chemistry

1 answer:

Elanso [62]2 years ago

4 0

The ways in which ammonia can be identified is mentioned in below pointers.

<h3>What is Ammonia ?</h3>

Ammonia is a compound of nitrogen and hydrogen with the formula NH3.

A stable binary hydride, and the simplest pnictogen hydride.

Ammonia is a colourless gas with a distinct pungent smell.

Biologically, it is a common nitrogenous waste,

Three ways in which ammonia gas can be identified is:

It has a sharp characteristic odor.

When a glass rod dipped in HCl is brought in contact with the gas white color fumes of ammonium chloride are formed.

It turns moist red litmus blue, moist turmeric paper brown, and phenolphthalein solution pink.

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A 10-liter container has 2 moles of oxygen at a pressure of 92 kpa. The effective speed (rms) of the oxygen molecules in the gas

bezimeni [28]

The effective speed (rms) of the oxygen gas is 293.68 m/s.

<h3></h3><h3>What is Root-mean-square velocity?</h3>

Root mean square velocity is the square root of the mean of squares of the velocity of individual gas molecules

$v_{rms}=\sqrt[]{\frac{3RT}{M} }$

<em>where </em>R = universal gas constant

M = molar mass of the gas in kg/mol

T = temperature in Kelvin

According to the ideal gas law,

PV = nRT

RT = $\frac{PV}{n}$

Substitute in the rms velocity formula,

$v_{rms} = \sqrt[]{\frac{3PV}{nM} }$

P = 92 kPa, V = 10 L, n = 2 moles and M = 32 x 10⁻³ kg/mol

$v_{rms} = \sqrt[]{\frac{3\times92\times10}{2\times32\times10^-^3} }$

=293.68 m/s

Thus, the effective speed (rms) of O₂ gas is 293.68 m/s.

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1 year ago

A 30-g car rolls from a hill 12 cm high and is traveling at 154 cm/s as it travels along a 275 cm horizontal track. What is the

Olegator [25]

Answer:

Explanation:

By definition, the momentum is given by:

p=m*v

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v: speed of the car

Substituting the values in the given definition we have:

p=3*154

Answer:

the momentum of the car is:

4620g * cm/s

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3 years ago

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Neporo4naja [7]

Answer:

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Alex17521 [72]

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3 years ago

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