Help me with 2 3 4 5, please! guys it's 8 and I really want to play video games lol

What type of reaction is illustrated? 2c12o5 = 2cl2 + 502

Each pair of clay balls represents to planetesimals if each plane test molluscum pound of the same material and is separated by the same distance which pair experiences the greatest gravitational attraction

What is the molar mass of a gas that has density of 2.054 g/l