Q. Change of enthalpy is equal to heat of reaction at

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Q. Enthalpy of a system is measured in

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Q. The change in enthalpy is determined by using

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Q. The product of internal energy and pressure-volume work is called

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Q. In homogeneous catalysis, the reactants and catalyst are in

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Q. A substance that promotes the activity of a catalyst is called

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Q. These are complex protein molecules that catalyse organic reactions in living cells

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Q. The catalytic activity of enzymes is greatly enhanced by the presence of a

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Q. The factor 'A' is called Arrhenius constant and it depends upon the

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Q. If the addition of any foreign substance renders the catalyst to be ineffective it is called

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Q. A substance which changes the rate of reaction, but remains chemically unchanged at the end of the reaction is called

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Q. Glucose is converted into ethanol by the enzyme

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Q. In combustion analysis, % of hydrogen is calculated from

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Q. The formula mass of an ionic compound is called

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Q. Empirical formula of glucose is

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Q. In case of ionic compounds, the molecular and empirical formulas are

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Q. Empirical formula of benzene is

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Q. The simplest whole number ratio of atoms of each element in the molecule of a compound is called

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Q. It is used for evaporation of solution, in sublimation

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Q. It is used to warm or heat the substances

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