Which of the following statements describes a step in the process that occurs when sodium chloride, NaCl, dissolves in water? a Solute and solvent molecules collide. b Solvent molecules are attracted to the solute ions. c Water surrounds sodium and chloride ions. d All of the above

What forms when chemical reactions combine pollution with sunlight?

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.