Please answer soon! I will give brainliest for the correct answer!! 280.0 liters of a gas in a flexible-walled container are prepared at 770.0 mmHg and 184.0 °C. The gas is placed into a tank under high pressure. When the tank cools to 22.0 °C, the pressure of the gas is 31.0 atm. What is the volume of the gas?

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.

Once similarity and one difference between a mixture of elements and a mixture of compounds

The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?