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Elis [28]
3 years ago
5

Clouds are made up of tiny droplets of water. Which two spheres are clouds a

Chemistry
1 answer:
MaRussiya [10]3 years ago
5 0
C & D, clouds are apart of the Hydro and Atmosphere!
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2. A photon of wavelength for 4 x10 -7 m strikes on the metal surface the work
lina2011 [118]

Answer:

See explanation

Explanation:

Energy of the photon;

E = hc/λ

h= Planks constant

c= speed of light

λ = wavelength

E= 6.6 × 10^-34 × 3 × 10^8/4 x10 -7

E = 4.95 × 10^-19 J

If 1ev=1.602x10-19 J

x = 4.95 × 10^-19 J

x= 3.1 ev

From Einstein's photoelectric equation;

KE = E - Wo

Where;

KE = kinetic energy of ejected photoelectron

E= energy of the photon

Wo= work function of the metal

KE = 3.1 eV - 2.13 eV

KE= 0.97 eV

KE = 0.97 eV × 1.602x10-19 J

KE = 1.55 × 10^-19 J

KE = 1/2 mv^2

1.55 × 10^-19= 1/2 × 9.1 × 10^-31 × v^2

v= √2 × 1.55 × 10^-19/9.1 × 10^-31

v= 5.8 × 10^5 m/s

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3 years ago
How many oxygen molecules are in 22.4 liters of oxygen gas at 273 K and 101.3 kPa?
lora16 [44]
The answer would be 6.023 x 10E23
E= exponent
7 0
3 years ago
Use complete sentences to differentiate between acids and bases on the basis of taste. Give an example of each type.
FinnZ [79.3K]

<span>Acid is a molecule capable of donating hydrogen ion and they form aqueous solutions with a sour taste while base is a substance that accepts proton from proton donor and in aqueous solution, they have an astringent or bitter taste. Moreover, a good example for base is sodium hydrogen carbonate as baking soda or baking powder and for acid, the most common example is the acetic acid or vinegar.</span>

3 0
3 years ago
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Consider the reaction N2(g) + 3H2(g) ----&gt; 2NH3(g). What is the effect of decreasing the volume of the contained gases?
r-ruslan [8.4K]

Answer:

If the volume of a container is decreased, the temperature decreases, which means that the volume of a gas is directly proportional to its temperature

4 0
3 years ago
Help me with these two please​
prohojiy [21]

Answer:

13.A

14.B?

on 14 i don't know

Explanation:

3 0
3 years ago
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