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3 years ago

You may not operate a vehicle unless all child passengers __________ are properly restrained with an appropriate safety device.

1 answer:

8 0

You may not operate a vehicle unless all child passengers FOUR YEARS OF AGE AND UNDER are properly restrained with an appropriate safety device.
Traffic law requires that children four years and below must be properly restrained in the vehicle using appropriate devices such as car seats.
Children older than four years have to use the safety belt when they are inside the car.

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What is the volume of 0.25 mol of ammonia gas at 1.00 atm and 273 K? (R= 0.0821 Latm/molK)What is the volume of 0.25 mol of ammo

ICE Princess25 [194]

Answer:

5.6L

Explanation:

Given parameters:

number of moles = 0.25mol

pressure on gas = 1atm

temperature = 273K

Gas constant R = 0.0821Latm/molK

Unknown:

Volume of gas = ?

Solution:

Using the ideal gas equation, we can solve this problem. The equation is a combination of the three gas laws: Boyle's law, Charles's law and Avogadro's law.

It is mathematically expressed as;

PV = nRT

where P is the pressure

V is the volume

R is the gas constant

T is the temperature

n is the number of moles

All the parameters are in the appropriate units and we simply solve for the volume of the gas;

1 x V = 0.25 x 0.0821 x 273

V = 5.6L

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