Blue litmus paper turn red in a basic solution. correct/incorrect
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List the two type of transporst that the cell in orde to transport molecules acroos the membrane

Which is true of a liquid? it has a definite volume but not a definite mass.it has a definite mass but not a definite volume.it has a definite volume but not a definite shape.it has a definite shape but not a definite volume.

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.