Question 1: 5L of nitrogen at 100kPa and 298K and 5L of oxygen at 200kPa are pumped into a evacuated 50L cylinder. Temperature remains constant, what is the total pressure in the cylinder?
Correct Answer: 30kPa
My answer: 300 kPa
Question 2: A 10L flask containing nitrogen at 500mmHg is...
Question 1: 5L of nitrogen at 100kPa and 298K and 5L of oxygen at 200kPa are pumped into a evacuated 50L cylinder. Temperature remains constant, what is the total pressure in the cylinder?
Correct Answer: 30kPa
My answer: 300 kPa
Question 2: A 10L flask containing nitrogen at 500mmHg is...
Natural variation within a species provides the raw material for evolution. Natural selection ensures that only the best adapted will reproduce leading to constant change and improvement, this ultimately leads to the formation of new species.
OK I've been given a past paper for revision for this years physics exam (I'm 14). There are 3 question I need help with working out Here are the questions
1. Two tugs are pulling on a ship with forces of 1500kgf and 2000kgf respectively, each at angle of 45 degress to the longitudal axis of...