The energy from 0.02 moles of butane is used to heat 328 grams of water. the temperature of the water rose from 298 k to 343 k. (the specific heat capacity of water is 4.18 j/k g.) what is the enthalpy of combustion? a. 1,578.01 j b. 3,084,840.0 j c. 23,513,336 j

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons

Which of the following statements is true about energy quantization at the atomic level? electrons in the outermost orbits are the most stable. electrons in all the orbits around the nucleus have the same amount of energy. electrons in the orbit closest to the nucleus have the least amount of energy. electrons absorb or release the same amount of energy independent of the energy levels.

If a particle has z = 25 and 23 electrons, what is its charge?