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shepuryov [24]
3 years ago
10

what are two or more substances that are together in the same place, but are not chemically combined in a set ratio. They can be

seperated
Chemistry
1 answer:
GuDViN [60]3 years ago
6 0
Yahoo has the answer to that question. because i looked it up on yahoo..
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Which two substances are reactants in the following chemical equation?
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Both A and D
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At room temperature (208C) and pressure, the density of air is 1.189 g/L. An object will float in air if its density is less tha
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Total density of filled ball with nitrogen gas: \frac{0.12G+0.6524g}{0.560L} = 1.3792g/L

The relationship between mass and volume can be easily determined using density; for example, the mass of a body is equal to its volume multiplied by the density (M = Vd), whereas the volume is equal to the mass divided by the density (V = M/d). The ball filled with nitrogen will not float in the air because total density of filled ball is greater than the density of an air. Density of the evacuated ball D = 0.214 g/L

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What is hydrogen bonding
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For example, in water molecules (H2O), hydrogen is covalently bonded to the more electronegative oxygen atom. Therefore, hydrogen bonding arises in water molecules due to the dipole-dipole interactions between the hydrogen atom of one water molecule and the oxygen atom of another H2O molecule.

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