Recent questions in Chemical reactions

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Calculate the bond energy required to break the carbon-carbon single bond in methane (CH4).

asked Jan 23 in Chemical reactions by PoppyPinscho (310 points)

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1 answer 54 views

Calculate the bond energy required to break the bond between atoms A and B in a molecule of AB, given the following information: the bond length between A and B is 0.1 nm and the energy required to break one mole of AB molecules is 500 kJ/mol.

asked Jan 23 in Chemical reactions by curious_george (1.0k points)

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Calculate the bond energy required to break all the C-H bonds in a mole of methane (CH4) gas.

asked Jan 23 in Chemical reactions by BennieFll738 (410 points)

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Calculate the bond energy required to break a single bond between two nitrogen atoms in a molecule of nitrogen gas (N2), given that the bond dissociation energy of N2 is 945 kJ/mol.

asked Jan 23 in Chemical reactions by SiennaKoontz (530 points)

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Calculate the bond energy of O-O bond in a molecule of oxygen gas (O$_2$) given that the dissociation energy required to break this bond is 498 kJ/mol.

asked Jan 23 in Chemical reactions by NadineCasey (470 points)

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1 answer 36 views

Calculate the bond energy of O2 molecule in kJ/mol, given that the bond energy of O-H is 464 kJ/mol and the bond energy of H-H is 432 kJ/mol.

asked Jan 23 in Chemical reactions by LesLerner372 (470 points)

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Calculate the bond energy of carbon-hydrogen bond in methane (CH4) given that the enthalpy change of combustion for methane is -890 kJ/mol and the enthalpy change for breaking carbon-hydrogen bonds is 413 kJ/mol.

asked Jan 23 in Chemical reactions by AnnieMacPher (330 points)

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1 answer 45 views

Calculate the bond energy for the O-H bond in a water molecule (H2O), given that the enthalpy change for the combustion of 1 mole of water is -286 kJ/mol and the O=O bond energy is 498 kJ/mol.

asked Jan 23 in Chemical reactions by TristanMarlo (450 points)

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1 answer 41 views

Calculate the amount of heat required to break all the bonds in 5 moles of carbon dioxide using the bond energy values for the C=O bond and the O-H bond.

asked Jan 23 in Chemical reactions by Antoinette08 (510 points)

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Calculate the activation energy required for a chemical reaction to occur, given that the rate constant at 298 K is 4.70 x 10^-3 s^-1 and the rate constant at 313 K is 1.20 x 10^-2 s^-1. (Assume the Arrhenius equation applies.)

asked Jan 23 in Chemical reactions by ShirleySteer (450 points)

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1 answer 34 views

Calculate the activation energy for the reaction between hydrogen gas and iodine gas to form hydrogen iodide, given that the rate constant at 25°C is 4.2 × 10^-4 L/mol.s and the frequency factor is 1.5 × 10^12 s^-1.

asked Jan 23 in Chemical reactions by NellClem8182 (990 points)

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Calculate the activation energy for a chemical reaction that has a rate constant of 0.007 mol/L/s at 25°C and 0.059 mol/L/s at 35°C.

asked Jan 23 in Chemical reactions by AimeeJhl0279 (390 points)

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Balance the following chemical equation: Fe2O3 + CO -> Fe + CO2

asked Jan 22 in Chemical reactions by LoreenWoolla (290 points)

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1 answer 47 views

Balance the following chemical equation: Fe + O2 → Fe2O3

asked Jan 22 in Chemical reactions by GlennaValle0 (370 points)

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1 answer 43 views

Balance the following chemical equation: Fe + O2 -> Fe2O3

asked Jan 22 in Chemical reactions by MoseTall8858 (530 points)

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1 answer 41 views

Balance the chemical equation for the reaction of sulfur dioxide (SO2) with oxygen (O2) to form sulfur trioxide (SO3).

asked Jan 22 in Chemical reactions by CathernVanbu (470 points)

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1 answer 52 views

Balance the chemical equation for the reaction between potassium permanganate (KMnO4) and sodium sulfite (Na2SO3) in acidic solution.

asked Jan 22 in Chemical reactions by ChristianeL6 (330 points)

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Balance the chemical equation for the combustion reaction of propane (C3H8) with oxygen gas to produce carbon dioxide gas and water vapor.

asked Jan 22 in Chemical reactions by ZackFarrell1 (410 points)

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Balance the chemical equation for the combustion of propane (C3H8) in the presence of oxygen (O2) to produce carbon dioxide (CO2) and water (H2O).

asked Jan 22 in Chemical reactions by GalenTudor03 (370 points)

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1 answer 5 views

Assuming complete reaction, a chemistry student added 32 grams of reactant A to a reaction mixture that should produce 28 grams of product B. However, the actual yield of B was only 22 grams. What is the percent yield of product B for this chemical reaction?

asked Jan 22 in Chemical reactions by ElvisHarford (470 points)

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