What is the kb of a 0.0200 m ( at equilibrium) solution of methyl amine, ch3nh2, that has a ph of 11.40?

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

40dm3 of gas at 760 torr are heated from 5°c to 50°c what is the new volume

The independent variable in an experiment will be the variable that you o a) change ob) hold constant ng c) observe for changes