Given the incomplete equation representing a reaction: CH⁴ + O² CO, + 2 H²O 10. What is the coefficient of O, when the equation is completely balanced using the smallest whole-number coefficients? 1(1)
2(2)
3(3)
4(4)​

Why are the trends and exceptions to the trends in ionization energy observed?

Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.

Select the correct answer from each drop-down menu. describe what happens to a carbon-11 atom when it undergoes positron emission. the decay of a carbon-11 atom _1_, and this causes it to emit _2_.options for 1: > changes a neutron into a proton> changes a proton into a neutron> is hit with a neutron> reconfigures its protons and neutronsoptions for 2: > a negatively charged electron-sized particle> a positively charged election-sized particle> two atoms and several neutrons> two neutrons and two protons