How will the gravitational force between the moon and a spacecraft change as the spacecraft nears the moon? a. it will increase. b. it will decrease. c. it will remain the same. d. it will repel the spacecraft.

List the two type of transporst that the cell in orde to transport molecules acroos the membrane

Using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 pb+2(aq) + 2cl -(aq). if the value of ksp was determined to be only 1.2 x 10-2: too much solid has dissolved. additional precipitate is forming. the solution is unsaturated. the ions are now combining to reduce their concentrations.

Indicate whether the specified alkyl halides will form primarily substitution products, only elimination products, both substitution and elimination products, or no products when they react with sodium methoxide. 1-bromobutane 1-bromo-2-methylpropane 2-bromobutane 2-bromo-2-methylpropane