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tester [92]
3 years ago
12

What is the formula to calculate speed? O S= t/d O S=d/t OS=dxt O S=txd

Chemistry
1 answer:
yulyashka [42]3 years ago
5 0

Answer:

the formula to calculate speed is d/t.

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What is the main difference between an isotope and an ion
eimsori [14]
An isotope is the vary of neutrons in an element, causing its atomic mass to change. While an ion is a charged atom that bonds to be stable. 
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3 years ago
Which were Lenin's actions before and during the Russian Revolution? Check all that apply.
Stolb23 [73]

Answer:

He supported the ideology of Marxism.

He opposed the tsar and was exiled.

He led the Bolsheviks.

Explanation:

Lenin was Russian Revolution political theorist. He served as first founding head of government of Soviet Russia. He supported the ideology of Marxism and opposed Tsar.

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Would fluorine form a positive or a negative ion?
IceJOKER [234]
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8 0
3 years ago
If 185 mg of acetaminophen were obtained from a tablet containing 350 mg of acetamino- phen, what would be the weight percentage
Alex73 [517]

Percentage recovery gives us an idea of the amount of pure substance recovered after the chemical reaction. Percentage recovery can be more than 100 % or less than 100 %. Usually, in any experiment performed the weight percentage recovery will be less than 100. Percent recovery values greater than 100 show that the recovered compound is contaminated.

Amount of acetaminophen initially taken = 350 mg

Amount of acetaminophen obtained after recovery =185 mg

Weight percentage recovery =\frac{mass recovered}{mass originally taken}*100

                                                = \frac{185 mg}{350 mg}*100

                                               = 52.9%

8 0
3 years ago
What type of physical weathering is caused by the expansion of water?
skelet666 [1.2K]

Answer:

wedging

Explanation:

ice or frost wedging

6 0
3 years ago
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