Hr = Hf[products] Hf[reactants]. – McqOptions

MCQOPTIONS

1.	H_r = H_f[products] H_f[reactants].
A.	true
B.	false
Answer» B. false

Discussion

No Comment Found

Related MCQs

H<sub>r</sub> = H<sub>f</sub>[products] H<sub>f</sub>[reactants].
Which of the following is not an application of Hess s law?
What is the unit of standard enthalpy of fusion or molar enthalpy of fusion?
Consider the equation 2 H<sub>2</sub> + O<sub>2</sub> 2 H<sub>2</sub>O, what does the 2 in the coefficient of H<sub>2</sub>O molecule represent?
When a chemical reaction is reversed the value of enthalpy is reversed in sign.
What is a change in energy if 18 grams of water is heated from room temperature to 20 degrees above it?
Calculate the internal energy change when 2 moles of water at 0 degrees converts into ice at 0-degree centigrade?
Consider that, a ball is immersed in water at room temperature and then taken out having 18 grams of water on it, how much amount of energy is required to dry that water at room temperature?
All the enthalpies of fusion are positive.
The standard state of a substance is considered when the temperature is 298 k and the pressure is ____________