6. 1. 8. 9. 5. 1. 2. 3. NO₂ Ő ÇOCH3 NO₂ Sn, HCl, Heat (CHICO)20 KMnO4, NaOH H₂O* Brz AlBr3 CH:CH AICI3 C1₂ Heat or Light AIC13 AlBr3 COCI SO₂ H₂SO4 -Br (CH3)2CHCH2Cl AIC13

(6.3: Avogadro's Law, Similar to Question 38 on page 256) A cylinder with a moveable piston contains 0.200 mol of gas and has a volume of 125 mL. What is its volume (in mL) if an additional 0.200 mol of gas is added to the cylinder. Assume constant pressure and temperature. O 500 mL O 62.5 mL O 250 ml. 125 ml

Jania.20 Chapter 3 3.100 When 1.0 9 of gasoline burns, it releases gasoline 0.749/ML SI (3.4.3.6) A) HOw many megajoules arc released srs 1.0 gai ot gasoline burns? When

Find the AH for the reaction below, given the following reactions and subsequent AH values: Reaction 3: 2cO2(g) + H2O(g) C2H2(g) + 5/202(g) C2H2(g) + 2H2(g) C2H6(g) AH = -194.5 kJ H2(g) + 1/2O2 (g) 2CO2(g) H20(g) → ΔΗ -55.2 kJ C2H6(g) + 7/202(g) 3H20(g) AH = -454 kJ

53. The combustion of glucose, CH1,O, forms carbon dioxide gas and water vapour. When a 1.00 g sample of glucose was burned, it raised the temperature 100.0 mL of water by 37.0 °C. (5.2, 5.3, 5.5) AA (a) Write a balanced chemical equation for this reaction. (b) Use AH to calculate the enthalpy change of this of reaction. (c) Use bond energies in Table 1 on page 307 to calculate the enthalpy change of this reaction. The structural formula of glucose is shown in Figure 1.

(6.37. Diatomic Elements The stable forms of hydrogen and oxygen at room temperature and pressure are gas phase, diatomic molecules H₂ and O₂. What is the sign of AH for the following processes? book Wiatomic es.a a. A solid with metallic properties is formed when hydrogen gas is compressed under extremely high pressures: £ show do 6.20 wirk?. ed in no H₂(g) → H₂(s) b. High-energy light shines on oxygen gas in the reaches of the atmosphere, converting oxygen gas to upper oxygen atoms: FAST 10 E,S O₂(g) → 2 0(g)

.. The temperature of a 15.0 g sample of a metal (specific heat 0.040 J/g.°C) is raised by 18.2°C. How much heat (in J) has been absorbed by the metal? (15.09)(0.040g )