A sample of hydrogen gas has a pressure of 18.0atm and a temperature of 0°c but is heated up to 150°c at a constant volume what would the new pressure be

What are the spectator ions in 2h+ + so42- + ca2+ + 2r → caso4 + 2h+ + 21?

What does x represent in the formula for the compound xcl4?

Which part of a feedback mechanism is able to monitor the conditions outside of cells and usually uses nerve cells to relay this information to an intergrating center