magdalenacastr6 magdalenacastr6

25-10-2022
Chemistry

Answered

Specify which reaction (s) with the following values of AH and AS are exothermic.
Check all that apply.
□ AH = +48 kJ, AS = +135 J/K at 400 K
AH = +48 kJ, AS = -135 J/K at 400 K
AH = -48 kJ, AS = -135 J/K at 400 K
AH = -48 kJ, AS = +135 J/K at 400 K

Answer :

Other Questions

Specify which reaction (s) with the following values of ^H and ^S are spontaneous. Check all that apply. ^H = -48 kJ, AS = -135 J/K at 400 K ^H = +48 kJ, AS = +

where is enthalpy. T is temperature, and Sis entropy The chemical reaction that causes iron to corrodein air is given by 4Fe +30₂-2Fe₂O3 in which at 298 K AH-16

demonstrate that the change in enthalpy for a reaction, AH, is an extensive property. Using this property,calculate the change in enthalpy for Reaction 2. React

The enthalpy of solution (AH) of NaNO, is 20.4 kJ/mol. If 8.20 g NaNO, is dissolved in enough water to make a 100.0 mL solution what is the change in temperatur

In the following reaction, What quantity in moles of CH₃OH are required to give off 1501 kJ of heat? 2 CH₃OH (l) + 3 O₂ (g) → 2 CO₂ (g) + 4 H₂O(g) ∆H° = -1280.

Calculate an approximate heat of combustion for ethane (C₂H6) in kilojoules per mole by using the bonddissociation energies in the table. (The strength of the O

Classify the following reaction as endo- or exothermic, and give the sign of AH. 250 mL of 1.0 M NaOH was added to 250 mL of 1.0 M HCl, and the temperature of t

CALCULATOR COLOR THEME 5 R 3 Which of the following most likely describes a Group 10 element? 4 O O A member of the carbon group Good conductor of heat Gas at r

How would the equilibrium of the reaction below be affected if the temperature increased? O₂(g) + 2SO₂(g)= 2SO3(g) + 200 kJ A. The concentration of SO3 would in

Looking at the graphs provided in the experiment, describe what is happening at the point where all lines are horizontal: in terms of reaction ratein terms of c