3 years ago

When nitrogen is returned to the soil when dead plants decompose the interaction is between

Chemistry

1 answer:

Ronch [10]3 years ago

6 0

Answer:

When nitrogen is returned to the soil when dead plants decompose, the interaction is between which two spheres?

Geosphere and biosphe

Explanation:

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What is the density(in g/L) of a gas with a molar mass of 32.49g/mol at 2.569atm and 458K?

garri49 [273]

Answer:

$2.22~g/L$

Explanation:

According to the ideal gas law equation:

$pV = nRT$

Let's express the number of moles in terms of mass and molar mass:

$pV = \frac{m}{M} RT$

Let's divide both sides by volume:

$p = \frac{m}{MV} RT$

Notice that:

$\frac{m}{V} = d$

So the equation becomes:

$p = \frac{dRT}{M}$

Expressing density:

$d = \frac{pM}{RT}$

Substituting the given values:

$d = \frac{2.569~atm\cdot 32.49~g/mol}{0.08206~\frac{L~atm}{mol~K}\cdot 458~K} = 2.22~g/L$

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4 years ago

An unknown substance is heated from 10 °C to 25 °C. The table below shows the state of the substance at different temperatures.

bezimeni [28]

Answer:

Its melting point is 17 °C.

Explanation:

The melting point of a substance is the temperature at which it changes state from solid to liquid. At the melting point the solid and liquid phase exist in equilibrium.

<em>So, the melting point is 17 °C.</em>

And this is shown in the figure attached.

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3 years ago

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Is the path of electrons orbital or reactive?

sveta [45]

Answer:

reactive. hope this helps

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An ionic bond is a bond between a _______ and a ______. *

aev [14]

Answer:

A. Metal and Nonmetal

Explanation:

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Manny and Eva are dissolving sugar in 10 milliliters (mL) of water. They discover that more sugar dissolves in warmer water. In

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