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kipiarov [429]
3 years ago
13

Convert 15.9mm to its equivalent measurement in km

Chemistry
1 answer:
STALIN [3.7K]3 years ago
6 0

Answer:

0.0000159

Explanation:

Divide 15.9 by 1000000, because 1 kilometer equals 1000000 millimeters.

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From Young's experiment, how does the frequency of light affect the number of lines observed?
Marina CMI [18]

Answer : (C) "Higher frequencies have larger spaces between lines".

Explanation:

In Young's experiment, the condition for constructive interference is given by :

dsin\theta=n\lambda.........(1)

n is order or number of lines observed

d is distance between slits

\theta is the angle between the path and the line from screen to the slits.

We also know that, c=\nu \lambda

or

\lambda=\dfrac{c}{\nu}

where,

c is the speed of light

\nu is frequency

\lambda is wavelength

So, equation (1) turns into

dsin\theta=n\dfrac{c}{\nu}

\nu=\dfrac{n\ c}{d\ sin\theta}

So,

\nu\propto n

or

Higher frequencies have larger spaces between line.

So, correct option is (C).

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3 0
3 years ago
Determine the volume at STP of 36.8 g of nitrogen dioxide(NO2)
Anarel [89]

Answer:

17.92L

Explanation:

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3 years ago
What is the molarity of a solution prepared by dissolving 2.5 grams of LiNO3 in sufficient water to make 60.0 mL of solution?​
Murrr4er [49]

Answer: hope this helps

To make molar NaCl solutions of other concentrations dilute the mass of salt to 1000ml of solution as follows:

0.1M NaCl solution requires 0.1 x 58.44 g of NaCl = 5.844g.

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Likurg_2 [28]

Answer:

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Explanation:

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