If a gas is cooled from 523.0 K to 473.15 K and volume is kept constant what final pressure would result if the original pressure was 850.0 mm Hg?

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit

Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~

When a beta particle is emitted, the mass number of the nucleus a. decreases by one b. increases by one c. remains the same d. decreases by two