Density is given in ____. a. Pa/cm3 c. g/s2 b. N/m2 d. g/cm3 Please select the best answer from the choices provided A B C D
2 answers:
Indeed Density (d) is in fact given in
Answer [D].
Since density (d) is a measurement of a substance's mass per volume, or d = m/v, we can see that units would be in g, kg, etc for mass and mL, L, etc for volume. And then where does
come from?? Well 1 mL of water occupies a cylindrical space of 1 cubic cm.
Answer [D].
Since density (d) is a measurement of a substance's mass per volume, or d = m/v, we can see that units would be in g, kg, etc for mass and mL, L, etc for volume. And then where does
come from?? Well 1 mL of water occupies a cylindrical space of 1 cubic cm.
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Answer:
answers are in attachment
Explanation:
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2. Decomposition Reaction: In this type of reaction single compound or reactant break down into new elements or compounds.
3. Replacement Reaction: In this type of reaction an element replace an element in a compound.
4. Even hydrogen is not a metal but it can act as metal in single replacement reaction.
5. In combustion reaction fuel react with oxygen and give heat and light that increase temperature of surrounding.
6. In in-complete combustion reaction fuel react with in-sufficient oxygen and give carbon monoxide and carbon in form of soot.
7. Base is a compound that liberate OH⁻ ion in water.
8. indicators have different color in acid and base depends on pH of the solution
9. Salt and water are the product of neutralization reaction
NaOH + HCl = NaCl + H₂O
10. The pH of neutral solution is 7.
