Using the periodic table and table of common polyatomic ions,

1. write formulas and names for the acids when hydrogen is combined with sulphur,
the halogens and polyatomic anions, and

2. classify the acids as binary or oxo acids.

An occluded front moves over the farmland that has been experiencing drought conditions. what change in weather will this front likely bring? a. gray skies, but no rain b. an extended period of rain c. more dry air and sunny skies d. violent, short-lived thunderstorms

What is the approximate vapor pressure when the gas condenses at 70 degrees celsius

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?