Butane, C 4 H 10 , burns with the oxygen in air to give carbon dioxide and water. 2C 4 H 10 (g) + 13O 2 (g) 8CO 2 (g) + 10H 2 O(g) What is the amount (in moles) of carbon dioxide produced from 0.30 mole C 4 H 10 ?

In which direction will the following reaction go if the standard reduction potentials are 0.80 v for ag/ag+ and –0.44 v for fe/fe2+? ag+ + fe → ag + fe2+ a.)forward b.)the reaction cannot occur. c.) not enough information is given. d.) reverse

How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025

Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules