Chem SS 2
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______is the measure of degree of disorderliness or randomness of a system
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________ alters the rate of a chemical reaction
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When change in free energy is positive,the reaction is _____
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_________ is a graphical illustration of the rate of a reaction.
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In endothermic reaction,the enthalpy change is said to be _______
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The unit of the rate of change of reaction is _____
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Atom means_______
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______ is defined as the amount of substance which contain as many elementary particles
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________ is the study of relationship between heat and other forms of energy
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The Rate curve finally becomes horizontally because the reaction_______
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Electrolytic cell consists of a container of _______
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Rate curve steeps at first, this is because _________
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Oxygen constitutes _______ % by volume of atmospheric air.
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Methyl Orange is an apparatus used in ________
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During chemical reactions, chemical bonds are_______
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Ionic compound readily dissolved in _______
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The energy required to react two or more elements together is called _____
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_______ are substances which allow to flow through them.
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Atomic number is __________
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The examples of elements in group 6 are
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When free energy change is negative, reaction is______
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_________ is the most abundant element in earth
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In Exothermic reaction, enthalpy change is_______
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When you react a strong acid with a weak base, the indicator to be used in the reaction is ___
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Some Examples of elements in group 5 are ______
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One of these is factors affecting rate of reaction
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When change in free energy is zero, the system is _____
28 / 30
Water is made of _______ constituents
29 / 30
When 0.5g of calcium trioxocarbonate (IV) was added to excess dilute hydrochloric acid, carbonIV) oxide was evolved . The complete reaction took 5 minutes. What was the rate of reaction?
30 / 30
_______ is a substance which in aqueous solution produces hydroxonium ion or hydrogen ion as the only positive ion.
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The average score is 57%
