A percent composition analysis yields 22.6% phosphorus (P) and 77.4%
chlorine (CI). What is the empirical
formula for the compound?

Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88

Which property of a rock remains unchanged by mechanical weathering? a. total surface area b. size and shape c. mineral composition d. sharpness

Write a balanced equation showing the formation of copper (ii) nitrite from its elements