A. Is the light wave traveling to a denser medium or a lighter medium (1 point)? How do you know (2 points)? B. What is Line #1 (1 point)?
C. What is Line #2 (1 point)?

What pressure will be exerted by 0.675 moles of a gas at 25*c if it is in a 0.750-l container?

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

The identities of substances are the same before and after which type of change