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Energy Transfer
Page 8
Questions (723)
In a running event, a sprinter does 4.9 105 J of work and her internal energy decreases by 9.1 105 J.
(a) Determine the heat
2 answers
asked by
Annette
610 views
Two friends bought phones that cost different amounts but had identical batteries. After using the phones for a while, both
1 answer
asked anonymously
153 views
Why is each level of the energy pyramid smaller than the level directly below it?(1 point) Responses Because 90% of the energy
1 answer
asked anonymously
34 views
how much energy does a fish get from the sun in an aquatic ecosystem
1 answer
asked anonymously
37 views
Heyylllooo x
can anybody help me with my science homework ? You have to " Use detailed particle diagrams and the big idea of
7 answers
asked by
Paiigee (:
583 views
Consider a one layer atmosphere for the planet Venus. 19% of incoming solar radiation is absorbed by the atmosphere. 99% of the
3 answers
asked by
Bubbles
584 views
A male cheerleader does 2.25 kJ of work in lifting a 57.5 kg cheerleader 1.25 m off the ground during the half time show. The
2 answers
asked by
HELP ASAP
566 views
design a pair of ear defenders and explain how they work using big idea of energy transfer
2 answers
asked by
Jean Smith
555 views
To take the energy from an exergonic reaction and use it to power an endergonic reaction, a cell can:
create the energy for the
2 answers
asked by
Anon
554 views
Why is each level of the energy pyramid smaller than the level directly below it?(1 point)
Responses Because the sizes of each
1 answer
asked by
.......
44 views
Would you use a pyramid of numbers or biomass to show the transfer of energy from dogs to fleas.
2 answers
asked by
mary22
530 views
Name the energy transfers which occur when. An electric bell rings
2 answers
asked by
Icon
522 views
You mix 5.32 g of solid magnesium sulfate with 105.24 g of water inside a calorimeter. As the magnesium sulfate dissolves, the
3 answers
asked by
Anonymous
542 views
As you are sliding down a plastic slide in a playground, your hair stands up on its ends. Which statement best explains why your
4 answers
asked anonymously
51 views
If producers generate 100% of the energy, what percentage of that energy is left by the time it reaches tertiary consumers? (1
1 answer
asked anonymously
60 views
A system does 137 J of work on its environment and gains 95.3 J of heat in the process. Find the change in the internal energy
2 answers
asked by
anonymous
515 views
Assume that a particular reaction evolves 230 kJ of heat and that 28 kJ of PV work is gained by the system.
What are the values
2 answers
asked by
Thalia
510 views
explain how water can transfer energy by conduction and by convection.
2 answers
asked by
will
524 views
Through which process is energy transferred to a molecule that the cell can use as fuel for its various activities?
By the
6 answers
asked by
Ssssuuuussss
40 views
Thermal energy is transferred to a substance. Which change can occur?
1: The kinetic and potential energy of the particles will
1 answer
asked by
Biscut Fart
21 views
A piston-cylinder assembly with the piston resting on a set of stops, contains 0.5 Kg of He gas intially at 100kPa and 25C. The
1 answer
asked by
Nayi
513 views
What is the change in internal energy (in J) of a system that absorbs 0.677 kJ of heat from its surroundings and has 0.438 kcal
1 answer
asked by
Ashley
508 views
150g of ice is removed from a freezer at a temperature of -15°C. The ice is left, eventually reaching thermal equilibrium with
2 answers
asked by
Bob
506 views
A gas expands against a constant external pressure of 1.7 bar until its volume has increased from 5.4 L to 8.9 L. During this
2 answers
asked by
Lauren
511 views
Does the energy move from Earth’s surface and atmosphere out to space through radiation, conduction, or convection? Explain.
2 answers
asked by
Anonymous
489 views
A water fall is 84 metre.If half of kinetic energy is converted into heat.What is the rise in the temperature of water?
3 answers
asked by
uzair
472 views
The molar heat of vaporization of water is 42 kJ/mol. How much energy is released by the condensation of 3.0 g of
water?
3 answers
asked by
jay
487 views
Calculate the amount of energy in the form of heat that is produced when a volume of 3.56 L of SO2(g) is converted to 3.56 L of
2 answers
asked by
Anna
474 views
A ball of mass 0.60 kg is fired with velocity 100 m/s into the barrel of a spring gun of mass 2.4 kg initially at rest on a
1 answer
asked by
Alex
473 views
Using two or three well-developed paragraphs, describe how energy is transferred from the sun to producers and on to consumers.
2 answers
asked by
Wayne
485 views
What process transfers energy from the Sun's core to its surface?(1 point)
Responses Convection Convection Radiation Radiation
1 answer
asked anonymously
132 views
I guess I'm missing something here...but I've approached this question in every possible angle and im just not getting it! Could
1 answer
asked by
Kathleen
458 views
How do I determine the value of the reaction
2HI(g) + 2.4 kcal --> H2(g) + i2(g) delta H = a) 2.4 kcal b) -2.4 kcal c) 0.00024
1 answer
asked by
Susan
473 views
Ben uses a parachute, to fall to the ground at a safe, steady speed.
Discuss the energy transfers, which allow ben and his
1 answer
asked by
olivia
451 views
The surface of the Sun is approximately 5,650 K, and the temperature of the Earth's surface is approximately 295 K. What entropy
1 answer
asked by
Sally
469 views
The force of ..... acts to transfer mechanical energy to thermal energy.
4 answers
asked by
luke
440 views
Positive voltage means that the reaction occurs spontaneously and that energy is produced! What do you think happens with this
1 answer
asked anonymously
21 views
Which type of energy transfer is shown in the picture
Radiation Convection Conduction Density
1 answer
asked by
Cat
124 views
Therm energy transfer answers
1 answer
asked anonymously
14 views
Thermal Energy Transfer Quick Check
2 of 52 of 5 Items Question Use the picture to answer the question. An illustration shows the
1 answer
asked anonymously
88 views
Thermal Energy Transfer Quick Check
1 of 51 of 5 Items Question Use the table of temperatures from several areas to complete the
1 answer
asked anonymously
103 views
Use the picture to answer the question.
An illustration shows the convection currents in a room. The warm air current rises and
1 answer
asked anonymously
133 views
Thermal energy is transferred to liquid water. As it heats up almost to boiling, which change can occur?(1 point)
Responses The
1 answer
asked anonymously
156 views
A student lists some possible ways to investigate the transfer of kinetic energy using ice in a sample of water. Which procedure
3 answers
asked by
FNAFFreddy
73 views
How does energy transfer between objects? Simple answer.
1 answer
asked by
b
22 views
Thermal Energy Unit Test
5 of 105 of 10 Items Question A student wants to collect data during an experiment about the transfer of
1 answer
asked anonymously
81 views
A student wants to collect data during an experiment about the transfer of kinetic energy in a sample of water and ice. Which
1 answer
asked anonymously
43 views
The picture shows a child sliding down a plastic slide.
Which statement best describes why the child's hair stands up after he
1 answer
asked anonymously
58 views
hat process transfers energy from the Sun's core to its surface?(1 point)
Responses Convection Convection Radiation Radiation
1 answer
asked by
that one dumb kid
80 views
what process transfers energy from the sun's core to its surface
convection radiation conduction diffusion
11 answers
asked by
WeaponXasks
125 views
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