CH4 + 3Cl2 → CHCl3 + 3HCI How many moles of chloroform (CHC13) are produced when 25.0 grams of methane (CH4) reacts
with excess of chlorine?

Sum of brother and sisters age is 26. four times the brothers age is subtracted from three times the sisters age, the difference is 8. what are the ages of the brother and sister?

Which of the following is not true about the atomic model of substances?

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.