What did taking measurements reveal about the velocity of the fireball?

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 is the mass of oxygen gas is consumed in a reaction that produces 4.60mol so2

What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?