Chemistry, 10.12.2020 03:20 slonzyy8397
How many moles of NO2 are needed to increase the temperature of a 333 gram block of iron from 22⁰C to 1300⁰C? (specific heat of iron is 0.49 J/g⁰C) 3NO2 + H2O --> 2HNO3 + NO ∆H = - 138 kJ /mol
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Water molecules have a strong attraction to each other because of hydrogen bonding, allowing water to move against gravity up a plant's stem through capillary action. true false
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This chart represents the melting point of several substance. what besy explains the high melting point of the salt?
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In an exothermic reaction the bonding energy of the product is: less than the reactants same as the reactants greater than the reactants dependent upon the presence of a catalyst
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Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?
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How many moles of NO2 are needed to increase the temperature of a 333 gram block of iron from 22⁰C t...
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