Chemistry Genius Quiz

Created by: StudyMatters
Created on: 14-11-15 15:59

The relative atomic mass of an element is defined as the number of times one atom of the element is heavier than 1/12 of the mass of an atom of isotope Q. What is isotope Q ?

Carbon-12

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The following statements are true about exothermic reactions except

the formation of bond releases more energy than is required in the bond breaking

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Element P and element Q have proton number of 19 and 8 respectively. What is the relative molecular mass of a compound formed between P and Q? [Relative atomic mass : P = 39, Q = 16]

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Element M is in Group 2 in the Periodic Table. Element M reacts with chlorine gas to form a compound with the formula MCl2 What is the formula of the oxide of element M?

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Imagine a cold pack. The main compound used to produce the material in cold pack is manufactured by

Haber Process

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During the experiment to determine the heat of precipitation, silver nitrate solution is added to zinc chloride solution. The accuracy of the results is increased by …

wrapping the polystyrene cup with cotton.

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What is the volume of oxygen gas used if 5.5 g of propane is completely burnt in air? Molar Volume: 24 dm3 per mol (Tip: Write down the equation)

15.0dm^3

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What is the product of water and pentyl ethanoate under acidic conditions?

Ethanoic acid and pentanol

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Other cards in this set

Card 2

Front

The following statements are true about exothermic reactions except

Back

the formation of bond releases more energy than is required in the bond breaking

Card 3

Front

Element P and element Q have proton number of 19 and 8 respectively. What is the relative molecular mass of a compound formed between P and Q? [Relative atomic mass : P = 39, Q = 16]

Back

Card 4

Front

Element M is in Group 2 in the Periodic Table. Element M reacts with chlorine gas to form a compound with the formula MCl2 What is the formula of the oxide of element M?