to make a solute dissolve more quikly in a solvent wich whould you do? a. stir it in cold water b. stir it in warm water c. solvent d. lets the solute settle down d. nothing to do with the solute?

Asmall amount of a solid is added to water. the observation made after fifteen minutes is shown in the figure. which of these solids has been probably added to water? a) oil b) sand c) sugar d) wood chips

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?