Given the reaction: Cu(s) + 2Ag+ (aq) + Cu²+(aq) + 2Ag(s) Which statement correctly indicates the change that occurs?
1.
One mole of Cu(s) loses a total of 2 moles of electrons.
One mole of Cu(s) gains a total of 1 mole of electrons.
3.
Two moles of Ag (aq) loses a total of 2 moles of electrons
4.
Two moles of Ag (aq) gains a total of 1 mole of electrons

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

Asolid that forms and separates from a liquid mixture is called

The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?