Explain the enthalpy change of a reaction from bond energies

Assignment Help Chemistry

Reference no: EM13545044

Why must the structures of the reactants and products be known in order to estimate the enthalpy change of a reaction from bond energies.

Reference no: EM13545044

Questions Cloud

Explain the reaction of h2 and f2 produces hf with ph : The reaction of H2 and F2 produces HF with PH= -269 kJ/mol of HF. If the H-H and H-F bond energies are 436 and 567 kJ/mol, respectively, what is the F-F bond energy

Determine the angular acceleration produced by the drill : The drill used by most dentists today is powered by a small air-turbine that can operate at angular speeds of 302000 rpm. Calculate the angular acceleration produced by the drill

Calculate the location of the center of mass of meter sticks : Three identical uniform meter sticks are placed on the floor. The first stick lies along the y axis from y = 0.320 m to y = 1.32 m. calculate the location of the center of mass of the meter sticks

What compression length will the scale read zero : A 5.1kg mass hanging from a spring scale is slowly lowered onto a vertical spring, as shown in the figure(Figure 1) . a.) What does the spring scale read just before the mass touches the lower spring? b.) The scale reads 25 when the lower spring has ..

Explain the enthalpy change of a reaction from bond energies : Why must the structures of the reactants and products be known in order to estimate the enthalpy change of a reaction from bond energies.

How long does it take porsche to reach maximum power output : A Porsche 944 Turbo has a rated engine power of 217 . 30% of the power is lost in the drive train, and 70% reaches the wheels. The total mass of the car and driver is 1500 , and two-thirds of the weight is over the drive wheels.

Fitness components as cardiovascular endurance : You are required to choose one exercise for each one of the four fitness components as Cardiovascular Endurance

Determine what is the applied torque on the flywheel : A flywheel of mass 182 kg has an effective radius of 0.61 m (assume the mass is concentrated along a circumference located at the effective radius of the flywheel). What is the applied torque on the flywheel

Explain the molar solubility of pbcl2 in a solution : What is the molar solubility of pbcl2 in a solution containing 0.020 M cl-(aq)? the ksp for pbcl2 is 1.6*10^-5

User Account

All Pages