A 2.00L tank, evacuated and empty, has a mass of 725.6g. It is filled with butane gas (C4H10) at 22°C to a pressure of 1.78atm. What is the mass of the tank after it is filled?

Which fact represents evidence for the big bang theory?

Need ! asap will mark 10 pts using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers

In chemistry, the type of an atom (what element it is) is determined by: a) the number of protons it contains in its nucleus.b) the number of neutrons it contains in its nucleus.c) the number of protons it has in a cloud around the nucleus.d) the number of neutrons it has in a cloud around the nucleus.e) the number of electrons it exchanges with its neighbors.