What is the density of a liquid if the volume is 25 mL and the mass is 20 g? *

Density = 0.8 g/mL

Explanation: Density is the ratio between mass per unit volume

D= m/V

= 20 g / 25 mL

= 0.8 g/ mL

density =mass/volume

Explanation:

volume is in mL

convert it into cm³

0.000025cm³

density=20/0.000025

20×10 power 6/25

0.8×10 power 6 g/cm³

or

0.8 g/ml

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a. energy is absorbed in the reaction.

if in a given reaction the energy of products is greater than the energy of reactants it means that reaction is endothermic and during the reaction, the energy is absorbed by reactants. in an endothermic reaction, the products have more stored chemical energy than the reactants. and in this reaction the reactants are more stable than products before the compounds with less energy are always more stable.