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Debora [2.8K]
3 years ago
6

What is the negatively charged subatomic particle located outside the nucleus of an atom

Chemistry
1 answer:
Mars2501 [29]3 years ago
8 0
The answer is electron
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Chris noticed a high-pressure system in the weather forecast for Monday
Alchen [17]

Answer:

A. Clear and Sunny

Explanation:

The answer would be A. Clear and Sunny. A high pressure system occurs where the air mass above the Earth is denser than in surrounding areas, and therefore exerts a higher force or pressure. They usually happen with li9ght winds. Using process of elimination, it could not be D. Warm and Stormy, C. Cloudy and Rainy, or B. Cold and Stormy because all have wet climates.

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2 years ago
Write the balanced
lisabon 2012 [21]
It’s c I just did this so yea c
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3 years ago
What causes the Brownian motion of particles in a colloid?
LekaFEV [45]

<u>Answer:</u>

The correct answer option is a) collisions between the particles and surrounding molecules.

<u>Explanation:</u>

The collisions between the particles and surrounding molecules causes the Brownian motion of particles in a colloid.

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6 0
3 years ago
The side chain of histidine has a typical pKa value in the range of 6.5-7.4. However, when analyzing the pKa values in a particu
Leona [35]

Answer:

Statements 1 and 2 are correct.

Explanation:

The microenvironment around a amino acid residue can impact its pKa value according with the Born effect. If there is a positively charged environment, like in the second option, the pKa value will decrease, just as it happens in the histidine residue. So the correct answers are 1 and 2.

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How do freeze-thaw cycles cause weathering?
natta225 [31]

Answer:

A. When water moves into a crack and freezes, it expands and forces the crack wider.

Explanation:

A crack in a rock can fill with water which then freezes as the temperature drops. As the ice expands, it pushes the crack apart, making the crack larger. When the temperature rises again, the ice melts, and the water fills the newer parts of the crack. Once the water freezes again when the temperature drops, the expansion of the ice causes further expansion to the crack.

8 0
3 years ago
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