Help with the following would be greatly appreciated!

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?

Pastoral farming is best described as a. a method of raising livestock and moving herds b. an african method of agriculture c. a method of cultivating crops on poor soils d. a common method of desert farming select the best answer from the choices provided a b c d