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GalinKa [24]
2 years ago
8

Match the followings.

Chemistry
1 answer:
insens350 [35]2 years ago
5 0

Answer:

Explanation:

Here, we are to copy and complete the paragraph with the correct options as given below in the question.

Before that, let us have an understanding of what a conversion factor is all about.

A conversion factor refers to a formula that is being used to change over an estimation in a given arrangement of units to its comparable estimation in another arrangement of units. Subsequently, the formula comprises both a number and its unit.

So;

\text{You can check that you have written the correct conversion factors for an }

\text{equality by looking at the numbers and units in each; the information on }

\text{one side of the equity appears in the of a conversion factor while the }

\text{information on the other side of the equity appears in the denominator.}

\text{To generate a second conversion factor, we "turn over" the first }

\text{conversion factor so the numbers and units in the numerator and }

\text{denominator switch places.}

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What is the de Broglie wavelength, in cm, of a 11.0-g hummingbird flying at 1.20 x 10^2 mph?
KonstantinChe [14]

Answer:1.123 x 10^-31cm

Explanation:

mass of humming bird=  11.0g

speed= 1.20x10^2mph

but I mile = 1.6m

1km=1000

I mile = 1.6x10^3m

1.20x10^2mph= 1.6x10^3m /1mile x at 1.20 x 10^2

=1.932 x10^5m

recall that  

1 hr= 60 min

1 min=60 secs, 1hr=3600s

Speed = distance/ time

=1.932 x10^5 / 3600= 5.366 x 10 ^1 m/s

m= a 11.0g= 11.0 x 10^-3kg

h=6.626*10^-34 (kg*m^2)/s

Wavelength = h/mu

= 6.626*10^-34/(11 x 10^-3 x 5.366x 10^1)

6.63x10^-34/ 590.26x 10 ^-3= 1.123 x10^-33m

but 1m = 100cm

1.123 x 10 ^-33 x 100 = 1.123 x 10^-31cm

de broglie wavelength of humming bird = 1.123 x 10 ^-31cm

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Which corresponds to the composition of the ion typically formed by magnesium?
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The sedimentary rock formed when water deposits tiny particles of clay in very thin flat layers is called limestone.

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