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Heat of reaction
Page 3
Questions (142)
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
614 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
607 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
570 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
564 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
478 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
468 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
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Parent Categories (14)
Acid-base reactions
Chemical Reactions
Chemistry
Energy and Heat
Energy and Thermodynamics
Energy Calculation
Gas Laws and Stoichiometry
Heat Transfer
Reaction stoichiometry
Reactions
Stoichiometry
Stoichiometry and reactions
Thermochemistry
Thermodynamics