What is the potential energy of a spring that is compressed 0.65 m by a 25 kg block if the spring constant is 95 N/m?For which equations below is x = –3 a possible solution? Select three options.

What is the name of this hydrocarbon?

8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm

The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll