11. In CBr4, the C-Br bonds are? 1) pure covalent;
2) polar covalent;
3) ionic;
4) coordinate covalent;

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?

At a temperature of 393 k, the temperature of a sample of nitrogen is 1.07 atm what will the pressure be at a temperature of 478 k

24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm