A sample of gas has a mass of .600 g and occupies a volume of .552 L at a pressure of 745 Hg and a temperature of 23.0 Degrees C. The gas is either methane (CH4), ethane (C2H6) or propane (C3H8). Identify the gas and show the calculations you use to determine the sample gas.

A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?

If two atoms are bonded to a central atom with no lone pairs,how will they be arranged

Ill give brainiestif one neutron initiates a fission event that produces two neutrons in the products, how many new reactions can now be initiated? if each of the neutrons produced in the first fission event then initiates a fission event that produces one neutron in the products, how many new reactions can now be initiated by each neutron? how many neutrons in total were produced by the two fission events described?