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Ulleksa [173]
3 years ago
10

Which rays has the highest frequency?

Chemistry
1 answer:
exis [7]3 years ago
8 0

Answer:

x-ray is the correct answer.

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What mass of nitrous oxide gas (N2O) is contained in 20.0 L balloon at a pressure of 110.0 kPa and a temperature of 25 C?
likoan [24]

Answer:

40.94 g

Explanation:

Given data:

Mass of NO₂ = ?

Volume = 20.0 L

Pressure = 110.0 Pka

Temperature = 25°C

Solution:

Pressure = 110.0 KPa (110/101 = 1.1 atm)

Temperature = 25°C (25+273 = 298.15 K)

The given problem will be solve by using general gas equation,

PV = nRT

P= Pressure

V = volume

n = number of moles

R = general gas constant = 0.0821 atm.L/ mol.K  

T = temperature in kelvin

n = PV/RT

n = 1.1 atm × 20.0 L / 0.0821 atm.L/ mol.K ×298.15 K

n = 22 / 24.5 /mol

n= 0.89 mol

Mass of NO₂:

Mass = number of moles × molar mass

Mass = 0.89 mol × 46 g/mol

Mass = 40.94 g

3 0
3 years ago
Which of the following reactions would be predicted by the activity series list
den301095 [7]

Answer:

it's a D answer if it's wrong please can you understand my question please

3 0
3 years ago
Read 2 more answers
When the sun hits the water the water...
wolverine [178]

Answer:

It creates a rainbow

Explanation:

Cause of the reflectiveness of the water it could possibly form another light but more colorful. you can see how it works when its becomes summer, get a water hose and just let it flow. you'll see a miniature rainbow.

5 0
3 years ago
Sound Wave A is moving through a medium that is decreasing in temperature. Sound Wave B is moving from a liquid to a gas medium.
olganol [36]

Answer: they will slow down

3 0
3 years ago
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The empirical formula is:
stepan [7]

Answer:

option c the relative number of atoms of each element using the lowest ratio because empirical formula gives the simplest-whole number ration of each element

e.g. the empirical formula of benzeneC6H6 in CH

Explanation:

I HOPE IT WILL HELP YOU

4 0
3 years ago
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