Question

Какой объём занимают 2,5 моль неона?определить число молекул неона (2,5 моль) ​

Answer 1

Ответ:

V = n * Vm

V = 2,5моль * 22,4л/моль = 56 литров

N = n * N(A) = 2,5 * 6*10²³ = 1,5*10²⁴ (молекул)

Молекула неона состоит из одного атома

Объяснение:

Answer 2

Calculating the Volume of 2.5 Moles of Neon

To calculate the volume of 2.5 moles of neon, we can use the ideal gas law equation, which is given by:

V = nRT/P

Where: - V = volume of the gas (in liters) - n = number of moles of the gas - R = ideal gas constant (0.0821 L·atm/mol·K) - T = temperature (in Kelvin) - P = pressure (in atmospheres)

Assuming standard temperature and pressure (STP) conditions, where the temperature is 273.15 K and the pressure is 1 atmosphere, we can calculate the volume using the given number of moles.

Using the ideal gas law equation, the volume (V) can be calculated as follows:

V = (2.5 moles) * (0.0821 L·atm/mol·K) * (273.15 K) / (1 atm)

Calculating the Number of Molecules of Neon (2.5 Moles)

To determine the number of molecules of neon in 2.5 moles, we can use Avogadro's number, which is approximately 6.022 x 10^23 molecules per mole.

The number of molecules (N) can be calculated as follows:

N = (2.5 moles) * (6.022 x 10^23 molecules/mole)

Results

Using the above calculations: - The volume of 2.5 moles of neon at STP is approximately 137.4 liters. - The number of molecules in 2.5 moles of neon is approximately 1.5055 x 10^24 molecules