Chemical Bonds and Thermochemistry | Baamboozle - Baamboozle

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Which combination will give you the enthalpy change for the hydrogenation of ethene to ethane, Δ H3 ?

− Δ H 2 + Δ H 1 − Δ H 4

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What is the electron and moelcular geometry of sulfate ion? Is it polar?

It is tetrahedral for both electron and molecular geometry. Since it is an anion it is polar

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What is the formula for the compound formed when aluminum ions(Al 3+) and chloride ions (Cl -) unite?

AlCl3

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Which of the following is the definition of an allotrope?

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How many covalent bonds does graphite have?

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Which pairs of words correctly completes the statement? Ionic compounds form when____ and _____ react.

metals ; nonmetals

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boom

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rocket

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rocket

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baam

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What is the metallic ion in the compound CuCl2?

Cu2+

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Which change of state is exothermic?

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How many resonance structures are there for sulphite ion? How many lone pairs?

1 lone pair and 3 resonance structures.

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The average bond enthalpies for O-O and O=O are 146 and 496 kJ/mol respectively. What is the enthalpy change, in kJ, for the reaction below? H-O-O-H(g) → H-O-H(g) + ½O=O(g)

-102

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What is the chemical formula for diamond?

C(s)

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In an exothermic reaction, the temperature of the surroundings increases because the molecules in the surrounding have

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What is the chemical formula for the compound barium bromide?

BaBr2

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seesaw

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gift

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fairy

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thief

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heart

Other team wins 20 points!

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banana

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