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makvit [3.9K]
3 years ago
6

Which of the following statements is true about what happens in all chemical reactions? A. The ways in which atoms are joined to

gether is not changed. B. Bonds between atoms are broken and new bonds are formed. C. The final substances are called reactants.
Chemistry
1 answer:
antoniya [11.8K]3 years ago
4 0

Answer:

B.bonds are broken and new bonds are formed

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Answer:

Yes they can.

Explanation:

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4 years ago
How many molecules of nitrogen monoxide are in a 22.5 gram sample?
poizon [28]
Okay, so you need to start by finding the molar mass (grams in one mole) of nitrogen monoxide (NO).
N=14g
O=16g
So we know that NO has a molar mass of 30 grams, then just divide your given mass of 22.5 grams by the molar mass of 30 grams to find the number of molecules in your sample. The answer should be .75 molecules. Hope this helps!
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Ammonia can be made by reaction of water with magnesium nitride as shown by the following unbalanced equation: Mg3N2(s) + H2O(l)
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Write any two reasons that hydrogen is kept in group 1 ​
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Answer:

《HOPE IT WILL HELP YOU 》

Explanation:

(1) It resembal Alkali metel in some of properties

(2) it alos resemble as the Helogens in its properties

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3 years ago
Initial alcohol is converted to compound A. Compound A undergoes three different transformations. Name compound A and each the f
nikklg [1K]
<h2>Acetic Acid</h2>

Explanation:

  • Initial alcohol that is formed from methane is methanol that can be converted to acetic acid.
  • Methanol in presence of CO_2 and hydrogen gas gets oxidized to acetic acid with the release of water.

Hence, compound A will be Acetic acid.

CH_3OH + CO_2 +H_2 → CH_3COOH + H_2O

  • The acetic acid formed can be transformed into -
  1. CH_3COOH → CH_4 + CO

        The product formed is methane and carbon monoxide.

    2. CH_3COOH → CH_2CHO + H_2O

         The product formed is formaldehyde and water.

    3. CH_3COOH + NaHCO_3 → CH_3COONa +CO_2 +H_2O

         The product formed is sodium acetate, carbon dioxide, and water.

4 0
3 years ago
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