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SpyIntel [72]
2 years ago
13

What type of telescope can you use in a bedroom?

Chemistry
1 answer:
Nitella [24]2 years ago
8 0
D
Is the answer because of the ratio of you fart and the smell in ur nose
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Calculate the height of a column of liquid benzene (d=0.879g/cm3), in meters, required to exert a pressure of 0.790 atm .
Simora [160]

Here we have to get the height of the column in meter, filled with liquid benzene which exerting pressure of 0.790 atm.

The height of the column will be 0.928 m.

We know the relation between pressure and height of a liquid placed in a column is: pressure (P) = Height (h) × density of the liquid (ρ) × gravitational constant (g).

Here the pressure (P) is 0.790 atm,

or [0.790 × (1.013 × 10⁶)] dyne/cm². [As 1 atm is equivalent to 1.013 × 10⁶ dyne/cm²]

Or, 8.002ₓ10⁵ dyne/cm².

density of benzene is given 0.879 g/cm³.

And gravitational constant (g) is 980 cm/sec².

On plugging the values we get:

8.002×10⁵ = h × 0.879 × 980

Or, h = 928.931 cm

Or, h = 9.28 m (As 1 m = 100 cm)

Thus the height will be 9.28 m.

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svet-max [94.6K]
Answer : C

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Which of the following statements best provides evidence of the big bang theory?
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What is the total mass of three gold bars that weigh 5543 mg, 23.45 mg, and 697.4 mg?
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The total mass is the sum of the masses.
It is
5543 + 23.45 + 697.4 mg =  6263.85 mg

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