What is the nuclear symbol for an element with 30 protons and 32 neutrons?

The reaction q+r2=r2q is found to be first order in r2 and

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

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