Which quantity is directly related to the temperature of a substance? average kinetic energy of the particles in the substance average size of the particles in the substance composition of the substance ph of the substance

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

How many moles are contained in 5.6 l of h2 at stp

How many moles of water are created if 3 moles of hydrogen react completely with excess oxygen?