In the laboratory a student measures the percent ionization of a 0.529 m solution of phenol (a weak acid) , c6h5oh, to be 1.33×10-3 %. calculate value of ka from this experimental data.

Plz me ! 1 which of earths spheres contains most of its mass? a atmosphere b hydrosphere c geosphere* d biosphere 2 erosion and weathering are examples of which types of forces? a constructive forces b destructive forces* c gravitational forces d inertia-related forces 3 which of the following statements about earths atmosphere is true? a earths atmosphere contains 78% water vapor which is essentail to life b earths atmosphere contains 21% oxygen c earths atmosphere contains carbon dioxide which all life forms require d earths atmosphere allows radiation from the sun to pass through it and warm earths surface* 4 the strenght of the force of gravity between two objects is determined by which of the following factors? select all that apply a the messes of the objects* b the distance between the objects* c the volumes of the objects d the surface area of the objects 5 earth and moon are kept in there respective orbits due to the influence of a inertia b gravity c gravity and inertia* d neither gravity or inertia if you answer all questions right i will give

Exit what is the density of an object having a mass of 5.0 g and a volume of 45.0 cm3?

What happens to the glucose molecule during the process of cellular respiration? (5 points) select one: a. it gets broken down. b. it forms oxygen. c. it builds muscles. d. it uses up energy.