PLS HELPS THIS WORTH PART OF MY GRADE 1. Consider the equation:S+3O2 → SO3
Is this equation balanced? Why or why not?
2. How do you know if a reaction is endothermic?
Type your answer here:

What is the relation between concentration of reactants and the rate of chemical reaction?

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

|using the periodic tablewarm-upuse the periodic table in the tools bar to answer the following questions. what elemental classification does oxygen belongto? done