When aqueous solutions of lead (II) nitrate (Pb(NO3)2) and sulfuric acid (H, SO.,) react, lead (II) sulfate forms as a precipitate. Identify the spectator ions and write a balanced net ionic equation for this reaction.

What effect does a decrease in temperature have on the overall rate of a chemical reaction? a decrease in temperature decreases . the reaction rate will

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

What are the two largest greenhouse gases