Chemistry ? ?

a student increases the temperature of a 100 cm3 balloon from 60°c to 120°c. what will the new volume of the balloon be? (be careful with units.)

(a) 118 cm3

(b) 200 cm3

(c) 236 cm3

(d) 400 cm3

Determine the empirical formula of a compound containing 40.6 grams of carbon, 5.1 grams of hydrogen, and 54.2 grams of oxygen. in an experiment, the molar mass of the compound was determined to be 118.084 g/mol. what is the molecular formula of the compound? for both questions, show your work or explain how you determined the formulas by giving specific values used in calculations.

In 2002, the rare earth elements mine in mountain pass, california was closed because

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?