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| Infrared light interacts with matter to cause |
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Definition
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| The band of the electromagnetic spectrum central to the greenhouse effect is... |
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Definition
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Term
| The greenhouse effect is caused by gases that |
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Definition
| absorb infrared radiation |
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Term
| The atmosphere is almost transparent to which band of electromagnetic spectrum |
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Definition
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Term
| Which substance is not a greenhouse gas? |
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Definition
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Term
| Predict the geometry at the carbon atoms in acetylene (c2h2) |
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Definition
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Term
| Predict the geometry at the carbon in formimine (CH3N) |
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Definition
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Term
| Predict the geometry at the nitrogen in formimine (CH3N) |
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Definition
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Term
| Chemists use a very large number to designate a "standard" pile of atoms or molecules. This number is called.... |
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Definition
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Term
| Find the molar mass of ethanol, C2H6O |
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Definition
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Term
| What is the coefficent for oxygen in the balanced chemical equation for the combustion of heptane? (C7H16) |
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Definition
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Term
| How many moles of water molecules are contained in 144g of water? |
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Definition
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Term
| How many mole of hydrogen atoms are contained in 144g of water |
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Definition
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Term
| How much oxygen is contained in 100g of water? |
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Definition
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Term
| Scientists believe deforestation leads to global warming because... |
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Definition
| trees are net consumers of carbon dioxide |
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Term
| Infared light has a shorter wavelength than... |
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Definition
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Term
| Which of the following properties of hydrogen does not describe one of its advantages as a fuel? |
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Definition
| a low energy to volume ratio |
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Term
| A truly inexhaustible supply of energy will be available to us when we… |
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Definition
| learn how to convert light energy into chemical energy efficiently |
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Term
| A battery converts chemical energy into.... |
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Definition
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Term
| Which substance is likely to have the highest boiling point? |
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Definition
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Term
| The electron transfer process in batteries can convert chemical energy to electrical energy with efficiencies approaching.. |
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Definition
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Term
| In lecture we discussed the use of ethanol as a fuel. How much energy is "lost" in the transformation from sugar to ethanol |
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Definition
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Term
| Consider the reaction shown below: CH4+ 2O2 -> CO2 + 2H2O Which of the following statements might be made most readily about this reaction. |
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Definition
| Its exothermic (releases energy) |
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Term
| Which one of the following groups of fuel sources include only fossil fuels? |
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Definition
| oil, natural gas, hydropower |
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Term
| The components of crude oil are separated on the basis of what physical property |
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Definition
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Term
| The process of electron transfer involves… |
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Definition
| the movement of electrons from a locus of high potential energy to a locus of low potential energy. |
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Term
| e conversion of heat energy into mechanical energy is inherently inefficient because… |
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Definition
| of the random nature of heat energy. |
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Term
| A compelling argument for the use of renewable plant derived fuels such as ethanol and biodiesel would likely include what fact |
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Definition
| The carbon contained in them is taken from the atmosphere. |
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Term
| From an environmental perspective, the use of fossil fuels as an energy source is undesirable because.. |
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Definition
| they all release long sequestered carbon into the atmosphere as carbon dioxide. |
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Term
| At present, the recoverable supply of coal is approximately... |
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Definition
| 20-40 times greater than oil reserves. |
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Term
| From what element are PV (photovoltaic) cells predominantly made? |
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Definition
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Term
| Which description best describes the process of recharging a battery? |
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Definition
| the conversion of electrical energy into chemical energy |
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Term
| Which element is used as an n type dopant in PV silicon crystals? |
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Definition
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Term
| P- Type (in PV [ photovoltaic cells ]) |
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Definition
| 1 less electron relative to silicon |
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Term
| N-type in PV [ photovoltaic cells ]) |
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Definition
| 1 more electron relative to silicon |
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