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3 years ago

Is air a conductor or insulator

Chemistry

2 answers:

maksim [4K]3 years ago

6 0

Insulator! I hope this helps! Pls mark mine the brainliest;)

Yakvenalex [24]3 years ago

6 0

Air is not a conductor but a insulator

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How many grams of NH3 are needed to make 2.50 moles of (NH4)2SO4?

Alla [95]

Answer:

85.155g NH3

Explanation:

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3 years ago

A gaseous mixture at 265K and 1.0 atm contains 25 O2 60 N2 and 15 CO2 mole basis The velocities of the components are 0.084 cm s

Free_Kalibri [48]

Answer:

The molar average velocity is 0.0588 cm/s

The N₂ diffusion velocity relative to the mole average velocity is -0.1428 cm/s

The molar diffusional flux of N₂ is -3.9x10⁻³

Explanation:

Given data:

T = temperature = 265 K

O₂ = 25%

N₂ = 60%

CO₂ = 15%

vO₂ = -0.084 cm/s

vN₂ = 0.12 cm/s

vCO₂ = 0.052 cm/s

The molar average velocity is equal:

$v_{av} =(0.25*(-0.084))+(0.6*0.12)+(0.15*0.052)=0.0588cm/s$

The N₂ diffusion velocity relative to the molar average velocity is:

$v_{i} -v_{av} =-0.084-0.0588=-0.1428cm/s$

The molar diffusional flux of N₂ is:

$N_{N_{2} } =\frac{P}{RT} y_{A} (v_{i} -v_{av} )=-3.9x10^{-3}$

8 0

3 years ago

4. If they..................me a question d have answered it.(ask/asked/had asked)

LekaFEV [45]

Answer:

had asked

Explanation:

If they had asked me a question, I would have answered it.

5 0

2 years ago

Read 2 more answers

A cup of hot water loses 265 cal

elixir [45]

Answer:

-1071 Joules

Explanation:

The Joule was introduced as the SI unit for energy in 1925. One calorie is equal to approximately 4.184 joules(J). This is a conversion factor that we can write two ways:

(1cal/4.184J) or (4.184J/1cal)

(265 cal)*(4.184J/1cal) = 1071 J

Since the energy is leaving the system, it should be written with a minus sign: -1071J

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1 year ago

What is carbon sink and how it effects our environment?

Ronch [10]

Answer:

Explanation:

Carbon sink is basically anything that absorbs carbon from the atmosphere. Particularly, the soil, trees, plants and the ocean absorb the most carbon, which helps with greenhouse emission.

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2 years ago