1- Which of the following relationships is/are CORRECT for gases?
1.The amount of a gas (in moles) is inversely proportional to its volume (at constant temperature and pressure). 2.The volume of a gas is directly proportional to its temperature in kelvin (at constant pressure and moles). 3.The pressure of a gas is inversely proportional to its temperature in kelvin (at constant volume and moles).
- 2 only
- 1 only
- 1 and 2
- 3 only
- 2 and 3
2- Hydrogen bonding is present in all of the following molecular solids EXCEPT ____.
- CH3CO2H (acetic acid)
- CH3OH (methanol)
- H2SO4 (dihydrogen sulfate)
- CH3OCH3 (dimethyl ether)
- HF (hydrogen fluoride)
3- What is the hybridization of the central atom in a molecule with a square-pyramidal molecular geometry?
- sp3d2
- sp
- sp3
- sp3d
- sp2
4-
A 14.0 L gas cylinder contains 7.08 g He at 35.7 °C. What is the pressure inside the cylinder? (R = 0.08206 L×atm/mol×K)
- 0.370 atm
- 628 atm
- 3.20 atm
- 12.8 atm
- 1.02 atm
PLACE THIS ORDER OR A SIMILAR ORDER WITH COLLEGE NURSING PAPERS AND GET AN AMAZING DISCOUNT!
