Heat specifically Burn baby Burn Diagrams Curves Energizer
Heat specifically Burn, baby Burn Diagrams & Curves Energizer Bunny Stoichiometry Redux 100 100 100 200 200 200 300 300 300 400 400 400 500 500 500
What is the symbol for specific heat? Column 1, 100
In what units is specific heat typically expressed? Column 1, 200
Breaking bonds results in this type of ΔH. Column 1, 300
High Potential energy Step 1 Step 2 Reactants Low Products Which side of the reaction would the excess energy in the diagram above be represented? Column 1, 400
If the same amount of energy is absorbed by sand water, which one will heat up faster and why? Column 1, 500
Combustion (burning) is this kind of reaction. Column 2, 100
Combustion requires this to occur. Column 2, 200
Combustion reactions always yield these two products. Column 2, 300
Mass of water Initial water temp Mass of ethanol burned 100. 0 g 18. 0 °C 0. 65 g Final water temp 48. 0 °C Calculate the amount of thermal energy (q) that is absorbed by the water. q = m • cΔT c = 4. 2 J/g • c Column 2, 400
Write a balanced combustion reaction for methane (CH 4) Column 2, 500
Where on the graph does a solid and liquid exist simultaneously? Column 3, 100
Boiling point? Column 3, 200
List three phase changes that are endothermic. Column 3, 300
What state is this substance in at STP? Column 3, 400
At 4 atm, the temperature of this substance is decreased from -10 °C to -80 °C. What phase change occurred? Column 3, 500
State the law of conservation of energy. Column 4, 100
What are the five main forms of energy? Column 4, 200
What 2 states can energy exist in? Column 4, 300
Breaking bonds is what kind of reaction? Column 4, 400
C 5 H 12 + 8 O 2 5 CO 2 + 6 H 2 O + 3510 k. J How much energy is released if 80 g of pentane are combusted? Column 4, 500
C 5 H 12 + 8 O 2 5 CO 2 + 6 H 2 O + 3510 k. J How much energy is released if 4. 5 moles of pentane are burned? Column 5, 100
4 Fe(s) + 3 O 2(g) 2 Fe 2 O 3(s) + 1625 k. J How many moles of oxygen are required to produce 12187. 5 k. J of energy? Column 5, 200
Mass of water 100. 0 g Initial water temperature 18. 0 °C Mass of ethanol burned 0. 65 g Final water temperature 48. 0 °C Calculate the number of moles of ethanol (C 2 H 5 OH) consumed from the data above. Column 5, 300
C(s) + 2 S(s) + 89. 3 k. J CS 2(l) How many grams of carbon disulfide are produced from 267. 9 k. J of energy? Column 5, 400
Mass of water 100. 0 g Initial water temperature 18. 0 °C Mass of ethanol burned 0. 65 g Final water temperature 48. 0 °C Calculate the molar heat of combustion (k. J/mol) based on the data above. Cwater = 4. 2 J/g • c ethanol (C 2 H 5 OH) Column 5, 500
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