What reaction would the chemical equation ch4 + 2o2 →2h2o + co2 represent? a. decomposition of methane b. formation of methane c. combustion of methane d. replacement of methane

Aspecimen of oil having an initial volume of 580cm^3 is subjected to a pressure increase of 4.0 mpa, and the volume is found to decrease by 0.40 cm^3. (a) what is the bulk modulus of the material? (b) what is the compressibility of the material?

Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.

As the distance from a magnet increases, what happens to the magnet force?