8. Which of the following molecules has a trigonal planar shape? (a) NH3 (b) CO₂ (c) PC3 (d) H₂O (e) BBr3 9. Which of th
Posted: Thu Jun 30, 2022 6:12 pm
8. Which of the following molecules has a trigonal planar shape? (a) NH3 (b) CO₂ (c) PC3 (d) H₂O (e) BBr3 9. Which of the following is NOT a intermolecular force? (a) polar covalent bond (b) ionic bond (c) London force (d) dipole-dipole force (e) a and b 10. The specific heat capacity of water is 4.18 J/°C *g. What is the enthalpy change when 10.00 g of water is heated from 25 °C to 40 °C? (a) 2.79 J (b) 6.27 kJ (c) 627 kJ