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Alex73 [517]
4 years ago
12

Is gamma rays blocked very easily

Chemistry
1 answer:
Leto [7]4 years ago
5 0
No, since they are the strongest type of ray only elements that are dense can block them.
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Trial and error learning is an example of
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A is your answer i believe

Explanation:

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Why did the skater go fast at point B
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Ammonia is a principal nitrogen fertilizer. It is prepared by the reaction between hydrogen and nitrogen. 3H2(g) + N2(g) → 2NH3(
sergey [27]

Answer:

Explanation:

The equation of the reaction is given as:

             3H₂ + N₂ → 2NH₃

Given parameters:

Number of moles of NH₃ = 8moles

Number of moles of H₂ = ?

Number of moles of N₂ = ?

Solution

From the balanced reaction equation, we can establish some mole ratios that would help solve the problem:

 To find the number of moles of H₂;

      The equation shows that:

              2 moles of NH₃ were produced using 3 moles of H₂

therefore: 8 moles of NH₃ will be produced by  \frac{8 x 3}{2} = 12moles

So, 12 moles of hydrogen gas will react to give 8 moles of ammonia.

   To find the number of moles of N₂

 The equation shows that:

       2 moles of NH₃ were produced from 1 mole of N₂

      8 moles of NH₃ would be produced from  \frac{8 x 1}{2} = 4moles of Nitrogen gas

Therefore, 4moles of nitrogen gas would be produced

6 0
3 years ago
A given solution has 42.5 g NaNO3 in 1500 mL of water. What is the molarity of this solution? Show your work, rounding the atomi
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here's the answer to your question

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How many Chlorine atoms are in 2.5 moles of CaCl2?
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Answer:

You may know the formula of calcium chloride (is:-CaCl2)

So.

CaCl2 ⇄ Ca-²+2Cl-¹

1mole⇄1mole+2moles

So from above ..

1mole CaCl2 produce 1mole Ca-² & 2 moles of Cl-².

For 2.5 moles we multiply the above chemical eq. With 2.5

2.5CaCl2⇄2.5Ca-²+5Cl-¹

So from 2.5 moles of CaCl2 we get 2.5 mole calcium ion and 5 moles chloride ion…

Explanation:

3 0
3 years ago
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