Because there is less friction on the marble floor.
Answer:
i believe it is strong acids, strong bases, and salts.
Explanation:
Hope this helps : )
The symbol %v/v means percent by volume. Assuming there is no volume effects when these substances are mixed, we calculate as follows:
% v/v = (25 mL ethanol / 25 mL + 150 mL ) x 100
%v/v = 14.29 mL ethanol / mL solution
Hope this answers the question.
Heat energy is absorbed by the substance.