1. (39 pts) Judge the following statements as true or false. If you think a statement is false, provide a correct version. a. Air and sand are both elements. b. If the pressure of a gas sample is quadrupled and the absolute temperature is halved, the volume of the sample changes by the factor of %. c The number 0.00300 has more significant figure than 0.00034. d. When X loses 1 electron, it becomes isoelectronic with Y which has 16 protons. The chemical formula of the compound that can be formed between the species X and Y is YX. e. 24 km/hr is equal to 400 m/min. f. Chemical energy is the energy that is associated with the random motion of atoms and molecules. & The gases behave ideally at high pressure and low temperature. h. The diffusion time for SO, is half of the diffusion time of CH i. Dichlorine heptaoxide has a chemical formula as CIO 1. The work done when a gas is compressed in a piston cylinder is 367). During this process, there is a heat transfer of 142 ) from the gas to the surroundings. The change in the internal energy during this process is measured as-509). k An electromagnetic radiation with a wavelength of 0.214 um has lower energy than a one with a wavelength of 458 nm. 1. The volume of 2.0 g H. () is equal to the volume of 32.0 g 0: (g) at the same temperature and pressure. m. Among the alkali metals, potassium reacts more rapidly than sodium because the valence electron of potassium is at a greater average distance from the nucleus