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Heat of reaction
Page 3
Questions (143)
How much heat in kilocalories is absorbed in the reaction of 1.94g of Na with H2O? 2Na(s)+2H2O(l)->2NaOH(aq)+H2(g) change in
4 answers
asked by
jennifer
731 views
Calculate the heat released when 4.260 L Cl2 with a density of 2.46 g/L at 25°C reacts with an excess of sodium metal to form
3 answers
asked by
caroline
671 views
How much heat is released when a mixture containing 10.0g CS2 and 10.0 g Cl2 reacts by the equation.
CS2 + 3Cl2 ----> S2Cl2 +
2 answers
asked by
Lauren
672 views
Calculate the heat released when 3.10 L of Cl2(g) with a density of 1.88 g/L reacts with an excess of sodium metal at 25°C and
3 answers
asked by
magee
661 views
I have solved the following question but i am not sure whether it is right or wrong..
Calculate the molar heat of reaction for
3 answers
asked by
Marium
684 views
3HgO→2Hg+O2
Which of the following can definitely be concluded from the equation and heat of reaction above? A. The reaction is
2 answers
asked by
KO
653 views
Given the reaction 3C(s) + 4H2(g) + 5O2(g) ---> 3CO2(g) + 4H2O(l) ÄH= -2323.7 kJ
How much heat would be released when 34.1 g of
4 answers
asked by
chemistry
617 views
Given the following equation:
N2 + Cl2 > @ NCL3 H=+230 kJ a) What mass of N2 would absorb 96.5 kJ of heat as it reacts? b) What
5 answers
asked by
Anonymous
615 views
For a particular isomer of C8H18, the following reaction produces 5108.7 kJ of heat per mole of C8H18(g) consumed, under
2 answers
asked by
;k;k
626 views
Calculate the heat released when 1.61 L of Cl2(g) with a density of 1.88 g/L reacts with an excess of sodium metal at 25°C and
1 answer
asked by
Trinh
599 views
Styrene is produced by catalytic dehydrogenation of ethyl- benzene at high temperature in the presence of superheated steam.
Give
3 answers
asked by
Judith
626 views
When 0.667 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 108C is observed. Assume the
2 answers
asked by
blasting
608 views
Calculate the heat of reaction for changing 1.00 mol of silica that has been extracted from sand into the pure silicon that is
2 answers
asked by
Anonymous
593 views
How do I calculate the heat released by 1 mole MgO
Given: 0.5 g of MgO Heat gained by acid is 1337.6 kJ I calculated the moles
2 answers
asked by
Rose
577 views
Suppose 150.0 mL of 0.50 M HCl and 150.0 mL of 0.50 M NaOH, both initially at 24.0°C, are mixed in a thermos flask. When the
2 answers
asked by
andrea
582 views
the heat of this reaction,Na + 1/2 Cl 2 NaCl, is 98.3 kcal/mole what is the heat given off two moles of NaCl are formed ?
2 answers
asked by
u wish
555 views
I put down all the info that I found but I cant figure out the questions 1 & 2 at the bottom!!
Empty Calorimeter- 11.6 g Room
2 answers
asked by
Anonymous
560 views
When 27.20mL of .5 M H2SO4 is added to 27.20 of 1M KOH in a coffee cup calorimeter at 23.5 degrees C, the temp rises to 30.17
2 answers
asked by
patrick
548 views
How much heat is associated with the burning of 2.27 g of methane in the following unbalanced reaction:
CH4(g) + O2(g) →CO2(g)
2 answers
asked by
John
580 views
In an aluminum calorimeter, 25.00 g of I2 was burned in excess H2 to form HI. From the data below, establish the molar heat of
2 answers
asked by
Anonymous
558 views
How much heat is released when a mixture containing 12.6 g CS2 and 13.2 g Cl2 reacts by the following equation?
CS2(g) + 3 Cl2(g)
2 answers
asked by
Lance
571 views
I have to solve this combustion problem using Dimensional Analysis and molar heat:
2 C2H6 +7O2 yields 4 CO2 + 6H2O + 3120 kJ The
4 answers
asked by
Narasaq
580 views
Calculate the heat released when 4.260 L Cl2 with a density of 2.46 g/L at 25°C reacts with an excess of sodium metal to form
2 answers
asked by
Emily
541 views
How much heat does calcium oxide produce
when dissolved in water?
2 answers
asked by
Ann
565 views
When 0.949 g of CaO is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 389C is observed.
Assume the solution's
4 answers
asked by
blasting
543 views
I can't figure this question out for the life of me. If anyone could help me, that'd be great!
Given change of heat of formation
1 answer
asked by
Anonymous
517 views
If 1.22 grams of magnesium reacts with 100 ml of 6.02 M HCl solution. How much heat is evolved? Density of the HCl solution is
2 answers
asked by
Anonymous
510 views
When 0.752 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 12.2C is observed.
Assume the
1 answer
asked by
nickel
504 views
What is the quantity of heat evolved when 111.9 grams of H2O(l) is formed from the combustion of H2(g) and O2(g)?
H2(g) + 1/2
2 answers
asked by
Trevor
489 views
A 10.00 mL aliquot of 0.100 M NaOH is added to 15.00 mL of 0.100M HCl in a coffee cup calorimeter. The initial temperature of
2 answers
asked by
Nevaeh
482 views
When 0.643 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 105C is observed.
Assume the
2 answers
asked by
Jared
496 views
How much heat is liberated when 0.113 mole of sodium
reacts with excess water according to the following equation? DH = -368
3 answers
asked by
naik
468 views
When 0.638 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 104C is observed.
Assume the
3 answers
asked by
Anonymous
495 views
What is the quantity of heat evolved when 111.9 grams of H2O(l) is formed from the combustion of H2(g) and O2(g)?
H2(g) + 1/2
2 answers
asked by
Kyle
471 views
When 0.712 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 116C is observed.
Assume the
1 answer
asked by
wilson
479 views
time(s) 30 60 120 180 240 300 420 480
t(*c) 13.8 13.8 13.9 13.1 14.2 14.3 14.5 14.7 14.8 b. if t1= 24.5*c, T2= 1.5*C, tr= 23.6*c,
1 answer
asked by
Daniel Medaris
452 views
Calculate the quantity of heat released when 0.520 mol of sulfur is burned in air.
uising the enthalpy detalH= -296
1 answer
asked by
Vee
449 views
When 0.969 g of CaO is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 397C is observed. Assume the solution's
1 answer
asked by
tweety
468 views
When 0.954 g of CaO is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 391C is observed.
Assume the solution's
3 answers
asked by
Anonymous
469 views
g+ 2HCl-->MgCl2+H2
The mass of the HCl is 24.852 g mass of the Mg is .990 g and the mass of the calorimeter is 3.711 g. the
3 answers
asked by
Kevin
462 views
How much heat is released when a mixture containing 12.6 g CS2 and 12.6 g Cl2 reacts by the following equation?
CS2(g) + 3 Cl2(g)
1 answer
asked by
caroline
454 views
What type of reaction is CO2 + H2 = HCOOH endothermic or exothermic
1 answer
asked anonymously
22 views
How much energy is released when 57.0 g of ethylene reacts? Be sure your answer has the correct number of significant figures.
1 answer
asked anonymously
9 views
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Parent Categories (15)
Acid-base reactions
Chemical Reactions
Chemistry
Energy and Heat
Energy and Reactions
Energy and Thermodynamics
Energy Calculation
Gas Laws and Stoichiometry
Heat Transfer
Reaction stoichiometry
Reactions
Stoichiometry
Stoichiometry and reactions
Thermochemistry
Thermodynamics