How do the physical and chemical properties of the element change?

How many miles of water are produced if 5.43 mol pbo2 are consumed

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

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