the total pressure of gas collected over water is 785.0 mmHg and the temperature is 23.0 celsius what is the pressure of hydrogen gas formed in mmHg?

Answer asap need by wednesday morning calculate the ph of 0.036m naoh best answer will be brainliest

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver