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Enthalpy of reaction
Page 2
Questions (70)
se the information provided to determine ΔH°rxn for the following reaction:
ΔH°f (kJ/mol) 3 Fe2O3(s) + CO(g) → 2
2 answers
asked by
yr
923 views
Given the following thermochemical data:
1) H2(g) + 1/2 O2(g) -> H2O(g) ∆H = -241kJ 2) C6H10(g) + 17/2 O2(g) -> 6CO2(g) +
3 answers
asked by
Dio
961 views
For which one of the following reactions is the value of H°rxn equal to H°f for the product?
2 answers
asked by
Camarra
855 views
How much heat (in kilocalories) is evolved or absorbed in the reaction of 1.60 g of Na with H2O?
2Na(s)+2H2O(l)→2NaOH(aq)+H2(g)
1 answer
asked by
Anonymous
797 views
if
A(aq) + B(aq) = AB(aq), and the molarity of A in the solution is 0.60 M and the molarity of B in solution is 0.60M, calculate
2 answers
asked by
alex
808 views
Julie is conducting an experiment where she placed 29.5 mL of water in a calorimeter at 15.0 °C. Then, 2.4 g of A (molar mass =
3 answers
asked by
Kelly
739 views
A 2.50-g sample of powdered zinc is added to 100.0 mL of a 2.00-M aqueous solution of hydrobromic acid in a calorimeter. The
1 answer
asked by
anon
709 views
When 33.5 mL of 0.535 M H2SO4 is added to 33.5 mL of 1.07 M KOH in a coffee-cup calorimeter at 23.50°C, the temperature rises
1 answer
asked by
Matt
658 views
A 100.0 mL sample of 0.300 M Ca(OH)2 is mixed with 100.0 mL of 0.700 M H3PO4 in a coffee cup calorimeter.If both solutions were
3 answers
asked by
jenna
637 views
When .03 mol Na is added to 100g of water, the temp. of the resulting solution rises from 25C to 37.9C. If the specific heat of
2 answers
asked by
Amanda
615 views
In a constant-pressure calorimeter, 50.0 mL of 0.300 M Ba(OH)2 was added to 50.0 mL of 0.600 M HCl. The reaction caused the
2 answers
asked by
Eric
604 views
The reaction between 0.045 g of calcium with an excess of water was carried out in an ice calorimeter as used in this lab. The
3 answers
asked by
Anonymous
606 views
if
A(aq) + B(aq) = AB(aq), and the molarity of A in the solution is 0.60 M and the molarity of B in solution is 0.60M, calculate
2 answers
asked by
alex
578 views
Consider the following problem:
Target: 2NOCl (g) ¡æ N2 (g) + O2 (g) + Cl2 (g) ¥ÄHrxn= ? Steps: 1. ¨ö N2(g) + ¨ö O2(g)
2 answers
asked by
peterson
526 views
Calcium oxide and carbon are reacted to produce carbon monoxide and calcium carbide CaC2. When one mole of calcium carbide is
2 answers
asked by
Jill
498 views
What is the standard enthalpy of reaction for the following reaction:
H2 + 1/2 O2 --> H2O(g)
2 answers
asked by
Lauren
472 views
What is the change in the internal energy of the system when 1.243 mol of NH 3(g) is formed from N 2(g) and H 2(g) at 25 degrees
1 answer
asked by
chemmom
459 views
Calculate the ΔHo for the reaction, 6NO2(g) + 8NH3(g) → 7N2(g) + 12H2O(l).
N2(g) + 2O2(g) → 2NO2(g) ΔHo=+66.36 kJ 4NH3(g) +
1 answer
asked anonymously
24 views
Consider the reaction, C2H4(g) + H2(g) → C2H6(g), where ΔH = –137 kJ. How many kilojoules are released when 3.5 mol of C2H4
1 answer
asked anonymously
23 views
What’s the heat of this reaction: C2H4 (g) + H2O (g) —-> C2H5OH (l)
1 answer
asked anonymously
10 views
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Parent Categories (6)
Chemical Reactions
Energy and Thermodynamics
Reaction stoichiometry
Stoichiometry
Thermochemistry
Thermodynamics