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FromTheMoon [43]
3 years ago
12

Significant figures ​

Chemistry
1 answer:
Gnom [1K]3 years ago
5 0
Answers:

A) 3 B) 1 C) 3
D) 2 F) 2 G) 3
H) 3 I) 3

Hope this helps!
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What the correct answer?
alexandr402 [8]

B. Bleach and sea water should be identified as bases

Explanation:

  • The pH scale measures the acidic or basic nature of a substance.
  • Ranges from 0 to 14.
  • If pH is lower than 7 → the solution is an acid.
  • If pH is more than 7 → the solution is an basic or alkaline.
  • If a pH is a 7 it is neutral.

In the given question, the pH scale measures for bleach is 8 and for sea water it is 13. So, bleach is basic, not neutral and Sea water is basic too instead of acid. So, Bleach and sea water should be identified as bases.

3 0
3 years ago
How many valence electrons would an element with atomic number 113 have?
marshall27 [118]

How does the law of conservation of mass apply  to this reaction: C2H4 + O2 → H2O + CO2?

4 0
3 years ago
When barium hydroxide and ammonium chloride react,the temperature of the mixture decreases.What kind of reaction is this?
GalinKa [24]

Answer:

Endothermic

Explanation:

7 0
3 years ago
A fusion reaction always creates which of the following?
ICE Princess25 [194]

A fusion reaction can be regarded as the type of reaction that occurs where two lighter elements come together in a type of reaction giving rise to a heavier/more massive element.

A fusion reaction always creates a more massive atomic nucleus (option c).

When the two lighter nuclei comes together in a reaction, a more heavier/massive nucleus is formed but its mass will still be less than the combined mass of the two reactant nuclei.

This also indicates that the left over mass may have been released as energy.

Learn more: brainly.com/question/18175586

6 0
2 years ago
Scientists have been able to find a full record of Earth's fossil history, thus making the fossil record complete.
Arada [10]

Answer:

False

Explanation:

Few organisms were not preserved as well as others, and new fossils are found every day

5 0
3 years ago
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