Doclaura

At current US reserves, how long will natural gas last? a- 86 yrs b- 8 yrs c- 50 yrs d- 200 yrs e- 300 yrs - ANS a Which size of particulates are the most harmful to human health? A: 0 microns B: 0 microns to 0.1 microns C: 0.1 micron to 2.0 microns D: 2.0 microns to 4.0 microns E: greater than 4.0 microns - ANS c The three main problems with fossil fuels are that they are non-renewable (fixed amount), pollution, and climate change. a- true b- false - ANS ...

Radiaton - ANS Radiative heat transfer is how the "warmth" of the sun is transferred to you when you're out or how you warm your hands in front of the fire. Convective - ANS Convection is the heat transfer due to bulk movement of molecules within fluids. -The water molecules are free to roam about as they are not fixed in relative positions (unless frozen) like the metal atoms. So as a water molecule heats up, it has more energy and travels further. The molecules movi...

Which of the following is NOT a basic need of a human being? A) Air B) Food C) Water D) Shelter E) None of the above - ANS none of the above What is the form of energy contained in a battery? A) Potential B) Chemical C) Kinetic D) Electrical - ANS chemical What is the type of energy that a body possesses by virtue of its physical position? A) Thermal B) Potential C) Radiation D) Kinetic - ANS potential What is the form of energy that is present in pi...

Renewable Energy Sources - ANS Wind, Solar, Hydro, Geothermal, Tidal, Biomass, Nuclear fusion Non renewable sources of energy - ANS Fossil Fuels (Coal, petroleum, natural gas) and nuclear fission Forms - ANS Mechanic (Kinetic and Potential) Electrical Chemical Radiant Nuclear Heat Measurement Units of Energy - ANS Joules, Calories, kWh, BTU's Potential Energy - ANS energy that a body possesses by a virtue of its physical position PE = - A...

Which has more potential energy a). a cubic mile of water (a lake) behind a 300 ft tall dam b). a car moving at 120 mph across the Bonneville Salts Flats c). an oil tanker moving through the Suez Canal d). an atomic bomb in a silo in North Dakota - ANS A). B and C aren't stationary, and the height of D is 0. PE=mgh Which has more chemical energy?A.A cubic mile of water (a lake) behind a 300 ft tall dam B.A car moving at 120 mph across the Bonneville Salt Flats C.An o...

A wind turbine costs $10 million to construct and generates $1 million worth of electricity per year. When has the wind turbine paid for itself (what is the pay-back period)? - ANS 10 Years What do you think "embedded" energy is? - ANS The energy that goes into making something. What is the biggest use of energy in a home? - ANS heating and air conditioning Kevin lives next to a power plant that burns coal. He wants to be more green, so he buys an electric ...

Renewable Energy Sources - ANS Wind, Solar, Hydro, Geothermal, Tidal, Biomass, Nuclear fusion Non renewable sources of energy - ANS Fossil Fuels (Coal, petroleum, natural gas) and nuclear fission Forms - ANS Mechanic (Kinetic and Potential) Electrical Chemical Radiant Nuclear Heat Measurement Units of Energy - ANS Joules, Calories, kWh, BTU's Potential Energy - ANS energy that a body possesses by a virtue of its physical position PE = - A...

A wind turbine costs $10 million to construct and generates $1 million worth of electricity per year. When has the wind turbine paid for itself (what is the pay-back period)? - ANS 10 years What do you think "embedded" energy is? - ANS The energy that goes into making something What is the biggest use of energy in a home - ANS Heating and air conditioning Kevin lives next to a power plant that burns coal. He wants to be more green, so he buys an electric ca...

Which of the following is a unit of power? - ANS A) Joule B) WATT*** C) Horsepower-hour D) Meter E) Btu Which of the following is a unit of energy? - ANS Joule Which of the following is a unit of power? - ANS BTU/second -BTU is normally a unit of energy, but since there is a measure of time next to it, it now becomes a unit of power Which of the following is a unit of energy? - ANS BTU What is the heat transfer via electromagnetic waves called? ...

Through a combination of fertility rate and decreased poverty levels, a population's energy use is growing exponentially 1% per year. How many years until the energy use doubles? - ANS 69.3 years What energy growth rate per year would increase world energy use by 400% 92 doubling periods) in 80 years? - ANS 1.7% per year What has more kinetic energy? - ANS A car moving at 120 mph across the bonneville salt flats Which series goes from least energetic to most...

What type of energy would each of the following be? A barrel of oil The sun beating down a solar panel A piston moving in a car engine - ANS A barrel of oil - Chemical energy The sun beating down a solar panel - Thermal energy A piston moving in a car engine - Mechanical energy A steel rod is initially very cold. If it is placed close to a fire, what happens? A) The steel rod heats up. B) The fire goes out. C) Nothing happens. - ANS A) The steel rod heats up. ...

Watt - ANS Which of the following is a unit of power? Increases - ANS What happens to its temperature when a gas is compressed? Chemical - ANS Form of energy present in the pizza we eat? Nuclear fission - ANS Which of the following is the process of breaking a large nuclei into two intermediate size nuclei? True - ANS Energy can be converted from one form to another. Energy - ANS What is the capacity to do work known as? Electrici...

One process that makes biomass handling and its use easier (Links to an external site.)Links to an external site. in boilers (uses heating and pyrolysis to prepare the biomass) - ANS torrefaction What is the lower portion of the weekly electricity demand plot called? A one word answer is expected [answer] - ANS possibly baseload? This is an example of of (one word answer, 11 letters) [answer] (the use of good design to allow natural illumination). - ANS daylighting ...

Match the following types of energy with the correct application - ANS Chemical energy: A barrel of oil Thermal energy: The sun beating down on a solar panel Mechanical energy: A piston moving in a car engine A steel rod is initially very cold. If it is placed close to a fire, what happens? The steel rod heats up. The fire goes out. Nothing happens. - ANS The steel rod heats up. Which do you think is more efficient? A jet engine that produces 70 units of work...

which of the following is a unit of power? A: Joule B: Watt C: horsepower-hour D: meter E: Btu - ANS b (watt) which of the following is a unit of energy? A: Joule B: Watt C: horsepower D: meter E: Btu/s - ANS a (joule) which of the following is a unit of power? A: Joule B: ft-lb C: horsepower-hour D: meter E: Btu/s - ANS e (btu/s) which of the following is a unit of energy? A: Joule/s B: Watt C: horsepower D: meter E: Btu - ANS e (btu)...

Which of the following is a unit of power? A. Joule B. Watt C. Horsepower-hour D. Meter E.BTU - ANS B. Watt Which of the following is a unit of energy? A. Joule B. Watt C. Horsepower D. Meter E. Btu/s - ANS A. Joule Which of the following is a unit of power? A. Joule B. ft-lb C. Horsepower D. Meter E. Btu/s - ANS E. Btu/s Which of the following is a unit of energy? A. Joule/s B. Watt C. Horsepower D. Meter E. Btu - ANS E. Btu Wha...

chemical - ANS What is the form of energy that is present in pizza that we eat? Nuclear Fission - ANS Which of the following sources of energy is non-renewable? Chemical - ANS What is the energy stored in the bonds that hold molecules together called? high to low temp - ANS In what direction does thermal energy flow? electricity - ANS energy of electrons in motion potential - ANS What is the type of energy contained in the water stor...

Which of the following is not a unit of energy? A) BTU B) Meters C) Joules D) Calories - ANS B) Meters Which of the following sources of energy is non-renewable? A) Solar B) Nuclear fission C) Nuclear fusion D) Wind - ANS B) Nuclear Fission Which of the following is a unit of power? A) Watt B) Kilograms C) Newton D) Grams - ANS A) Watt What is the capacity to do work known as? A) Energy B) Entropy C) Efficiency D) Enthalpy - ANS A) Energy ...

Ionic - ANS metals and non metals Covalent - ANS Two non metals Are electrons completely transferred when it is ionic or covalent - ANS Ionic Are the electrons shared when it is covalent or ionic - ANS Covalent What are positively charged electrons called? - ANS Cation (cat-ion) What are negatively charged electrons called? - ANS Anion (an-ion) If the element (fluorine) is an anion what will it be called? - ANS Fluoride ...

How does adding an atom affect the position of existing atoms or lone pairs? - ANS pushes them away from the newly added atom How does adding a lone pair affect the position of existing atoms or lone pairs? - ANS same as adding an atom, pushes them away from the newly added Are adding atoms/ lone pairs similar? - ANS yes, because all electrons repel each other How do the electrons in bonds (bonding domains) differ from lone pairs( non-bonding domains)? - ANS ...