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Ostrovityanka [42]
3 years ago
15

What is the wavelength (in nanometers) of light having a frequency of 3.9 x 1013 Hz?

Chemistry
1 answer:
Marta_Voda [28]3 years ago
5 0
Yea I think the light is to fast
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An overseas flight leaves New York in the late afternoon and arrives in London 8.50 hours later. The airline distance from New Y
Evgesh-ka [11]

Answer:

v = 658.82 km/h

Explanation:

The distance between New York and London is 5.6\times 10^3\ km

Time taken from New York to London is 8.5 hours

We need to find the average speed of the plane.

Total distance covered divided by the total time taken is equal to the average speed of an object. So,

v=\dfrac{d}{t}\\\\v=\dfrac{5.6\times 10^3\ km}{8.5\ h}\\\\v=658.82\ km/h

So, the average speed of the plane is 658.82 km/h.

4 0
3 years ago
What is the length of the shaded grey area? write your answer to the correct number of significant digits. The unit is cm
alukav5142 [94]

Answer:

1.37cm

Explanation:

It's less than 1.4cm but more than 1.3cm. It's also more than 1.35cm so I guess the best answer would be 1.37cm or round up to 1.4cm

8 0
2 years ago
In a chemical reaction, water decomposes to form hydrogen and oxygen. What is the correct term for the water?
gulaghasi [49]
The answer is: [D]: a reactant.
________________________
7 0
3 years ago
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Explain why the molar ratio is needed to determine the theoretical mass ratios.
choli [55]

Answer:

The overview of the subject is outlined underneath in the summary tab.

Explanation:

  • The molar ratio seems to be essentially a balanced chemical equilibrium coefficient that implies or serves as a conversion factor for the product-related reactants.
  • This ratio just says the reactant proportion which reacts, but not the exact quantity of the reacting product. Consequently, the molar ratio should only be used to provide theoretical instead of just a definite mass ratio.

3 0
3 years ago
What are the products for c3h8+o2-->co2+h2o
murzikaleks [220]

Answer:

Products would be on the right. Reactants would be on the left

Explanation:

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3 years ago
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