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Mrrafil [7]
3 years ago
11

What are the chemical elements in iced tea?

Chemistry
1 answer:
Natali5045456 [20]3 years ago
6 0

Explanation:

I hope you interested about the chemical what they add in tea

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What volume will 2 moles of nitrogen occupy at 780 torr and 10C.
galina1969 [7]

The volume : V = 45.22 L

<h3>Further explanation</h3>

Given

Moles = n = 2

Pressure = P = 780 torr = 1,02632 atm

Temperature = T = 10 + 273 = 283 K

Required

Volume

Solution

Ideal gas law : PV = nRT

where  

P = pressure, atm  

V = volume, liter  

n = number of moles  

R = gas constant = 0.08206 L.atm / mol K  

T = temperature, Kelvin  

Input the value :

V = (nRT)/P

V = (2 x 0.082 x 283)/1,02632

V = 45.22 L

5 0
3 years ago
What’s the mass number for this atom
adelina 88 [10]

Answer:

169

Explanation:

Mass number is the number of protons and the number of neutrons combined.

70 + 99 = 169

7 0
3 years ago
Why does the skateboarder continue to move forward when he hits the trash?
DENIUS [597]
<span>An object at rest stays at rest and an object in </span>motion<span> stays in </span><span>motion. Or Newtons first law of motion.</span>
7 0
3 years ago
Read 2 more answers
Hello I'm here looking for help while if u can then help me I lost all my points just posting answers but please help with this
Evgen [1.6K]

Answer:

Trying to find out the answer

Explanation:

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6 0
4 years ago
A ground state hydrogen atom absorbs a photon of light having a wavelength of 92.05 nm. It then gives off a photon having a wave
vodka [1.7K]
Absorbed photon energy
Ea = hc/λ.. (Planck's equation)
Ea = hc / 92.05^-9m 

<span>Energy emitted
Ee = hc/ 1736^-9m </span>

Energy retained ..
∆E = Ea - Ee = hc(1/92.05<span>^-9 - 1/1736^-9) </span>
<span>∆E = (6.625^-34)(3.0^8) (1.028^7)
∆E = 2.04^-18 J </span>

<span>Converting J to eV (1.60^-19 J/eV)
 ∆E = 2.04^-18 / 1.60^-19
∆E = 12.70 eV </span>

<span>Ground state (n=1) energy for Hydrogen = - 13.60eV </span>

<span>New energy state = (-13.60 + 12.70)eV = -0.85 eV </span>

<span>Energy states for Hydrogen
En = - (13.60 / n²) </span>

n² = -13.60 / -0.85 = 16
n = 4
4 0
3 years ago
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