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Vinvika [58]
3 years ago
14

Deduce the differences that exist in the reaction represented by the diagrams. anyone??​

Chemistry
1 answer:
mestny [16]3 years ago
3 0

Answer:

The one on the left has more products than reactants and is endothermic

The one on the right has more reactants than products and is exothermic

Explanation:

Endothermic: Energy is absorbed

Exothermic: Energy is released

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Assume the alveolar radii are 0.05 and 0.07 mm towards the end of exhalation. Knowing that air flows from high to low pressures,
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Answer:

0.286 mN/m^2

Explanation:

Using Laplace's law of surface tension:

P=\frac{2T}{r}

where:

P = pressure

T = surface tension

r = radius

In the longer alveoli with radius of  0.07 mm = 0.07*10^{-2}m; we have:

P =  \frac{2*25mN/m}{0.07*10^{-2}m}

P = 0.714 mN/m^2

In the smaller alveoli with radius 0.05 mm = 0.05 * 10^{-2} m; we have:

P = \frac{2*25mN/m}{0.05*10^-2m}

P = 1.00 mN/m^2

The pressure difference can now be calculate as follows:

Pressure difference = (1.00 - 0.714)mN/m^2

Pressure difference = 0.286 mN/m^2

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3 years ago
What is the density of a piece of wood that has a mass of 25.0 grams and a volume of 5.0 cm 3 ?
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Answer:

5.0g/cm^3

Explanation:

Since we have the mass of the wood (25.0g) and the volume of the wood (5.0cm^3), can use the formula for density to answer this question.

Density=mass/density

Density=25.0g/5.0cm^3

Density=5.0g/cm^3

Therefore, the density of the piece of wood is 5.0g/cm^3.

I hope this helps!

7 0
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Nvm solved it sgwzrhtsej4yrdkutmghxfnzdgrhetjrydtuky,
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levacccp [35]

Answer:

Greater. Inversely proportional

Explanation:

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