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lara [203]
3 years ago
13

"the order-of-magnitude of the diameter of an" atom is closest to

Chemistry
1 answer:
marissa [1.9K]3 years ago
5 0
The standard size of an atom is <span>1 X 10 -8 cm.
hope I helped :)</span>
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The shape of a liquid's meniscus is determined by __________. the viscosity of the liquid the type of material the container is
Tanya [424]

In the case of the liquid meniscus, a concave meniscus that is what one usually observes takes place when the molecules of the liquid are fascinated towards the container. This takes place with water and a glass tube. A convex meniscus takes place when the molecules exhibit a stronger attraction with each other in comparison to the container, as in the case of glass and mercury.  

The shape of the liquid meniscus is determined by the relative magnitudes of the cohesive forces in the liquid and adhesive forces between the liquid and its container.  


8 0
3 years ago
What is produced when chlorine is mixed with ethane?
Airida [17]
Chloroethane is the answer
7 0
3 years ago
The nearest star to the earth is Proxima Centuri. It is 4x1016 meters from New York City. The distance to Perth on the exact
Travka [436]

Answer:

Proxima Centuri is 9 orders of magnitude further from New York compared to Perth

Explanation:

Distance of Proxima Centuri to New York = 4 × 10^16 meters

Distance of Proxima Centuri to Perth = 11000 miles

Since 1 mile = 1609 meters, distance to Perth in meters = 11000 × 1609

Distance to Perth = 17699000 = 1.7699 × 10^7 meters

Order of magnitude of the distances of Proxima Centuri to New York and Perth = 10^16/10^7

Order of magnitude = 10^9

Therefore, Proxima Centuri is 9 orders of magnitude further from New York compared to Perth.

3 0
3 years ago
I need help ASAP
vova2212 [387]

Answer:

1.4 g/cm3

Explanation:

Density = Mass/Volume

Mass = 21g

Volume = 15cm3

Density = 21/15 = 1.4

8 0
3 years ago
Fake answers are reported and your account will be banned
Leona [35]

Answer:

BRAINLIEST?

Explanation:

Ammonia is a typical weak base. Ammonia itself obviously doesn't contain hydroxide ions, but it reacts with water to produce ammonium ions and hydroxide ions. My findings said that ammonia is a weak base, potassium hydroxide is a strong base, vinegar is a weak acid and ethyl alcohol is a weak acid.

Vinegar and ethyl alcohol are eliminated as they are acids. The question is on bases.... Potassium hydroxide is a strong base. So we are left with ammonia, being a weak base.

A is your answer

8 0
3 years ago
Read 2 more answers
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