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3 years ago

What is the term for the pattern of spiral impressions inside a handgun?

Chemistry

1 answer:

sineoko [7]3 years ago

8 0

A. rifling it helps spin the Projectile when fired for longer range and more accuracy.

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9.69 × 10^7 in decimal form

iren [92.7K]

The answer is 96,900,000

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2 years ago

Evaporación del alcohol cambio físico o químico?

Vlada [557]

Physical because you can see it evaporate have a great día

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3 years ago

Why dilute H2SO4 is added to oxali acid solution in redox reaction

Sphinxa [80]

To prevent the hydrolysis and to catalyse the reaction.

Explanation:

Sulphuric acid is the catalyst and also a dehydrating agent in this reaction.

Sulphuric acid is using in redox reaction because sulphuric acid is providing H+ ions which is necessary for this reaction to occur more quickly, but the sulphate ions from the sulphuric acid barely react during this process. So H2SO4 is adding in this reaction to make it more acidic.

H2SO4 is preventing hydrolysis by providing excess H+ ions into the reaction. H2SO4 is stable towards the direction of oxidation.

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3 years ago

PLEASE HELP! Class is almost ending, I don't want to repeat.

nikklg [1K]

ANSWERS:

1. $2KClO_{3}$ ⇒ 2KCl + $3O_{2}$

2. $H_{2} C_{2} O_{4} + 2NaOH$ ⇒ $Na_{2} C_{2} O_{4} + 2 H_{2} O$

3. $2 C_{10} H_{22} + 31O_{2}$ ⇒ $20C O_{2} + 22 H_{2} O$

4. $4 H_{2} + Fe_{3} O_{4}$ ⇒ $3Fe +4 H_{2} O$

5. $4P + 5 O_{2}$ ⇒ $2 P_{2} O_{5}$

I have attached my work for 1-3. I would like to see if you can get 4 and 5 on your own. but, if you are struggling/copnfused please let me know in the comments! :)

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3 years ago

PLEASE HELP WILL MARK BRAINLIEST

MAXImum [283]

Answer:

1 is b and 2 is d

Explanation:

because you do not know that the cat had done that you was just thinking it was the cat

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3 years ago

Read 2 more answers