2.50 L of a gas was at an unknown pressure. However, at standard pressure, its volume was measured to be 8.00L. Whats was the unknown pressure?

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

What are the coefficients to balance the following equation? ba+br=babr2

When scientists are ready to publish the results of their experimentation, why is it important for them to include a description of the procedures they used?