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katrin2010 [14]
4 years ago
8

Which statement accurately describes a light-year?(Select One) It is the shape of a galaxy. It is the distance that light travel

s in a year. It is a yearly measurement of light given off by stars. It is the amount of time it takes light to travel one million kilometers.
Chemistry
2 answers:
Vitek1552 [10]4 years ago
6 0

Answer:

B

Explanation:

edge 2020

Strike441 [17]4 years ago
3 0

Answer: B

Explanation:

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Darya [45]
There are 0.454 kg in 1 lb

Cross multiply

0.454 kg = 1 lb
X kg. = 50 lb

50* 0.454 = 22.7 kg

Answer : 22.7 kg in 50 lbs
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4 years ago
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You are analyzing a compound in a laboratory. you find that it is made up of carbon, hydrogen, and oxygen in a ratio of two hydr
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3 years ago
what do you predict will happen when a crystal of potassium nitrate is added to the saturated solution as it is cooled
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3 years ago
A compound that conducts electricity when dissolved in water would most likely be classified as
Dimas [21]

Answer:

Electrolyte

Explanation:

A compound that conducts electricity when dissolved in water would most likely be classified as electrolyte.

The ionic compound in solid form do not conduct the electricity but when dissolve in water they separated into ions and have ability to conduct the electricity because of mobile ions that move freely and allow the charge to flow.

The ionic compounds are called electrolyte and electrolyte solution is formed when they dissolve in water.

For example when sodium chloride is placed into water it split into ions and conduct electricity because of mobile ions.

Chemical equation:

NaCl → Na⁺ + Cl⁻

6 0
3 years ago
The density of copper is 9.0g/cm3 and the mass of a copper coin is 0.31g. Calculate the volume of the coin.
Lady_Fox [76]
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