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gogolik [260]
3 years ago
9

Besides each sentence, write T if the sentence is mostly about using technology.

Chemistry
1 answer:
Veseljchak [2.6K]3 years ago
3 0

Answer:

e

Explanation:

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Made up of the protons and neutrons, this part or the atom contains nearly all the mass of the atom
Sonja [21]

Answer:

The nucleus

Explanation:

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3 years ago
How many moles are in 10 mg of NO2
podryga [215]

mole=10 x 10⁻³ : 46 g/mol = 2.17 x 10⁻⁴

4 0
2 years ago
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In the partition coefficient experiment 4A this week, after thorough mixing of the reagents, phase separation will occur. The to
Andreas93 [3]

Answer:

The top layer is the Aqueous layer, and the benzoic acid is contained in the non-aqueous layer/oil phase.

Explanation:

A separating funnel is a very important piece of laboratory glassware that is used to separate the components of liquid-liquid mixtures  which are immiscible. This technique is used in the extraction of the components of mixtures.

The liquids separate into two phases. The separation is based on the differences in the liquids' densities, where the denser liquid settles below and the lower density liquid stays afloat. Liquids used for this kind of separation are usually different liquids, one is the aqueous layer and the other, a non-aqueous layer.

Partition coefficient or distribution coefficient is defined as the ratio of the concentrations of a compound in two immiscible solvents at equilibrium.

Organic solvents (except halogenated organic compounds) with densities greater than that of water i.e 1g/mL ( usually called the oil phase) settle at the bottom of the aqueous phase.

Benzoic acid. will settle at the bottom layer ( i.e the lower phase).

7 0
3 years ago
When an electric current is flowing through a wire, the force deflecting the charged particles is greatest when the wire is ____
nlexa [21]

Answer:

C.) perpendicular

Explanation:

A particle with an electric charge experiences the maximum deflecting force when it is positioned perpendicular to the magnetic field.

4 0
3 years ago
Which of the following substances will have hydrogen bonds between molecules?
bagirrra123 [75]
The answer to your question big man would be E
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3 years ago
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