Mothballs are composed primarily of the hydrocarbon naphthalene (C10H8). When 1.025 g of naphthalene is burned...

Question

Question

Mothballs are composed primarily of the hydrocarbon naphthalene (C10H8). When 1.025 g of naphthalene is burned...

Mothballs are composed primarily of the hydrocarbon naphthalene (C10H8). When 1.025 g of naphthalene is burned in a bomb calorimeter, the temperature rises from 24.25 ∘C to 32.33 ∘C.

Find ΔErxn for the combustion of naphthalene. The heat capacity of the calorimeter, determined in a separate experiment, is 5.11kJ/∘C.

Express the change in energy in kilojoules per mole to three significant figures.

science chemistry

Add a comment Improve this question Transcribed image text

Answer 1

Answer #1

Answer: Calculate that heal that is taken by the Calosiméler (Qc) to rise the tempurature from 24.250 to 32.33°C. : Qc = cc C

Add a comment

Answer 2

Similar Homework Help Questions

Mothballs are composed primarily of the hydrocarbon naphthalene (C10H8) . When 1.025 g of naphthalene is burned in a bo...

Mothballs are composed primarily of the hydrocarbon naphthalene (C10H8) . When 1.025 g of naphthalene is burned in a bomb calorimeter, the temperature rises from 24.25 ∘C to 32.33 ∘C . Find ΔErxn for the combustion of naphthalene. The heat capacity of the calorimeter, determined in separate experiment, is 5.11kJ/∘C . ΔErxn =
Review Constants Periodic Table Mothballs are composed primarily of the hydrocarbon naphthalene (C10H8). When 1.025 g o...

Review Constants Periodic Table Mothballs are composed primarily of the hydrocarbon naphthalene (C10H8). When 1.025 g of naphthalene is burned in a bomb calorimeter, the temperature rises from 24.25 °C to 32.33°C. You may want to reference (Pages 265-266) Section 6.5 while completing this problem. Part A Find A Erxn for the combustion of naphthalene. The heat capacity of the calorimeter, determined in a separate experiment, is 5.11 kJ/°C. Express the change in energy in kilojoules per mole to three...
Erxn

Mothballs are composed primarily of the hydrocarbon naphthalene (C10H8). When 1.025 g of naphthalene is burned in a bomb calorimeter, the temperature rises from 24.25C to 32.33 C. Find ΔErxn for the combustion of naphthalene. The heat capacity of the calorimeter, determined in a separate experiment, is 5.11 kJ/C.

3. Mothballs are composed primarily of the hydrocarbon naphthalene (C,H). When 1.25 g naphthalene is burned...

3. Mothballs are composed primarily of the hydrocarbon naphthalene (C,H). When 1.25 g naphthalene is burned in a bomb calorimeter, the temperature rises from 25.25 °C to 34.33 °C. (Heat capacity of calorimeter 5.11 kJ/°C). Calculate: a) The heat of reaction per gram of naphthalene b) The heat of reaction per mole of naphthalene Given the following standard enthalpy of formations: AH°, [C,H,OHO --277.7 kJ/mol]; AH [CHCOH) = 484.5 kJ/mol]; AH [HO) = -285.8 kJ/mol]; AH® [0,(g) - 0 kJ/mol].
find δrh for the combustion of naphthalene at 298 k

Mothballs are composed primarily of the hydrocarbon naphthalene (C10H8). When 1.022 g of naphthalene burns in a bomb calorimeter, the temperature rises from 25.884 ∘C to 31.068 ∘C. (I already found ΔrU is -3323 kJ in Part A ) PART B) Find ΔrH for the combustion of naphthalene at 298 K. Express your answer using four significant figures. 2) How much heat (in kilojoules) is evolved in converting 1.00 mol of steam at 160.0 ∘C to ice at -50.0 ∘C?...
When 0.605 g of biphenyl (C12H10) undergoes combustion in a bomb calorimeter, the temperature rises from...

When 0.605 g of biphenyl (C12H10) undergoes combustion in a bomb calorimeter, the temperature rises from 26.8 ∘C to 29.6 ∘C. Part A Find ΔErxn for the combustion of biphenyl. The heat capacity of the bomb calorimeter, determined in a separate experiment, is 5.86 kJ/∘C. Express the energy in kilojoules per mole to three significant figures.

When 0.508 g of biphenyl (C 12 H 10 ) undergoes combustion in a bomb calorimeter,...

When 0.508 g of biphenyl (C 12 H 10 ) undergoes combustion in a bomb calorimeter, the temperature rises from 26.5 ∘ C to 29.8 ∘ C . Find Δ E rxn for the combustion of biphenyl. The heat capacity of the bomb calorimeter, determined in a separate experiment, is 5.86 kJ/ ∘ C . Express the energy in kilojoules per mole to three significant figures.
When 0.612 g of biphenyl (C12H10) undergoes combustion in a bomb calorimeter, the temperature rises from...

When 0.612 g of biphenyl (C12H10) undergoes combustion in a bomb calorimeter, the temperature rises from 26.6 ∘C to 29.5 ∘C . Find ΔErxn for the combustion of biphenyl in kJ/mol biphenyl. The heat capacity of the bomb calorimeter, determined in a separate experiment, is 5.86 kJ/∘C . ΔErxn =
1a) Consider the reaction: C12H22O11(s)+12O2(g)→12CO2(g)+11H2O(l) in which 10.0 g of sucrose, C12H22O11, was burned in a...

1a) Consider the reaction: C12H22O11(s)+12O2(g)→12CO2(g)+11H2O(l) in which 10.0 g of sucrose, C12H22O11, was burned in a bomb calorimeter with a heat capacity of 7.50 kJ/∘C. The temperature increase inside the calorimeter was found to be 22.0 ∘C. What is the heat of this reaction per mole of sucrose? 1b) One tablespoon of peanut butter has a mass of 17.0 g. It is combusted in a calorimeter whose heat capacity is 110 kJ/°C. The temperature of the calorimeter rises from 21.6...

When 0.459 g of biphenyl (C12H10)(C12H10) undergoes combustion in a bomb calorimeter, the temperature rises from...

When 0.459 g of biphenyl (C12H10)(C12H10) undergoes combustion in a bomb calorimeter, the temperature rises from 24.8 ∘C to 30.3 ∘C Find ΔErxn for the combustion of biphenyl. The heat capacity of the bomb calorimeter, determined in a separate experiment, is 5.86 kJ/∘CkJ/∘C.

Mothballs are composed primarily of the hydrocarbon naphthalene (C10H8). When 1.025 g of naphthalene is burned...

Homework Answers

Add Answer to:
Mothballs are composed primarily of the hydrocarbon naphthalene (C10H8). When 1.025 g of naphthalene is burned...

Post as a guest

Earn Coins