4. Why does ammonia, NH3, behave as a base when it reacts with an acid? A It accepts a neutron and becomes NH3+.
B It accepts a proton and becomes NH4+.
OC It donates a proton and becomes NH2

*will mark you brainliest + 15 points ** why does the equilibrium of a system shift when the pressure is increased? a. to maximize the stress on the system b. to stop restoring equilibrium to the system c. to increase the total moles of gas in the system d. to decrease the total moles of gas in the system

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?