A. 5 C + 6 O2 → CO2 b. 4 Na + 8 Cl2 → NaCl c. 3 CO2 + 4 H2O → H2CO3 d. 7 N2 + 9 H2 → NH3 e. 10 Zn + 16 HCl → ZnCl2 + H2 please help

One of the cell membrane's functions is to protect the cell keep wastes in the cell create new cells keep light out of the cell

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

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.