Which of the following is NOT a characteristic
of a hydrogen bond?
1. It is stronger than other dipole-dipole
interactions.
2. It is responsible for the unusual physical
properties of water.
3. It can occur when hydrogen is covalently
bound to very electronegative elements liks F, Cl, Br and I.
4. It is weaker than a covalent bond.

What is the most stable monatomic ion formed from nitrogen

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

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