Organic Chemistry Answers

Calculate the enthalpy of the following chemical reaction: [6]
CS 2 (ℓ) + 3O 2 (g) → CO 2 (g) + 2SO 2 (g)
Given:
C(s) + O 2 (g) → CO 2 (g) ΔH = -393.5 kJ/mol
S(s) + O 2 (g) → SO 2 (g) ΔH = -296.8 kJ/mol
C(s) + 2S(s) → CS 2 (ℓ) ΔH = +87.9 kJ/mol

Why ca form only cacl2 and not form cacl

Why cacl not form cacl2

If 3.65g of butane is burned underneath a cup holding 1.00 L of water at 21.0 C, what will the final temperature of the water be (ΔHcomb = -3325 kJ/mol)?

Instant hot packs work by crystallizing sodium acetate (NaCH3 COO). The molar enthalpy of crystallization for sodium acetate is (-57.7 kJ/ mol) How many grams of sodium acetate are needed to warm 125.0 mL of water from 21.0°C to 35°C

When 25. 0 mL of 0. 25 mol /L LiOH and 25. 0 mL of 0. 25 are mol/l HCl mixed together, the temperature warms to 15.8 °C What is the molar enthalpy of neutralization for LiOH?

A 50.0 mL solution of 0.150 M acetic acid (CH3
COOH) is titrated with 0.150 M NaOH.
What is the pH after 20.0 mL of base has been added? Ka
CH3
COOH = 1.8 x 10-5

Outline a detailed mechanism for the following reaction:

O
CH3OH (excess)
+
TsOH

Draw the resonance structures to show the electron delocalization in cyclopentane with two double bonds

Structure anhidrida butanoat pentanoat