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boyakko [2]
3 years ago
8

Which of the following describes the products of a chemical reaction?

Chemistry
1 answer:
Goshia [24]3 years ago
5 0

Answer:

B. The substances that are formed

Explanation:

a chemical reaction is a reaction that there's a formation of a new compound or substance.

can i have brainliest? and btw, let me know if you get it right! hope i helped <3

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Na CN + HCl -&gt;?? <br><br>Thanks for your time ​
Tom [10]

Sodium chloride and prussic acid are formed

NaCN+HCl→NaCl+HCN

4 0
3 years ago
Lipase is a protein that helps the body break down fats in foods. Lipase is best classified as which type of protein? an enzyme
AlexFokin [52]

Answer:

Lipase is an enzyme the body uses to break down fats in food so they can be absorbed in the intestines.

Explanation:

i hope this will help you :)

7 0
4 years ago
How many moles of sodium carbonate contain 1.773 × 1017 carbon atoms?
vesna_86 [32]

Answer:

  • 2.941 × 10⁻¹⁷ mol

Explanation:

1) Chemical formula of sodium carbonate: <em>Na₂CO₃</em>

2) Ratio of carbon atoms:

  • The number of atoms of C in the unit formula Na₂CO₃ is the subscript for the atom, which is 1 (since it is not written).

Hence, the ratio is 1 C atom / 1 Na₂CO₃ unit formula.

This is, there is 1 atom of carbon per each unit formula of sodium carbonate.

3) Calculate the number of moles in 1.773 × 10⁷ carbon atoms

  • Divide by Avogadro's number: 6.022 × 10²³ atoms / mol

  • number C moles  = 1.773 × 10⁷ atoms / (6.022 × 10²³ atoms/mol)

  • number C moles = 2.941 × 10⁻¹⁷ mol

Since, the ratio is 1: 1, the number of moles of sodium carbonate is the same number of moles of carbon atoms.

5 0
3 years ago
Why must reagent bottles be closed when not in use?
Katen [24]

Answer to your question.

7 0
3 years ago
Which of the following describes the location and energy of all the valence electrons
Nastasia [14]

Answer:

1s22s22p6<u>3s23p4</u>

Explanation:

Sulfur is located in the p block and has 6 valence electrons (the 2 exponent on the 3s and the 4 exponent on the 3p add up to 6)

4 0
3 years ago
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