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When you set a heavy suitcase down, you are indeed applying negative energy in the context of physics. This means you're exerting a force in the opposite direction to the suitcase's weight to slow it down and control its descent. As you lower the suitcase, you're doing negative work against gravity, which converts kinetic energy to potential energy, ultimately allowing the suitcase to settle gently on the ground.
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An electron requires 4.4 x 10 to the negative 19th power J of energy to be removed from its atom What is the wavelength of a photon that has this much energy?
440 - 460 nm
How would you compare the formation of positive ions with the formation of negative ions in terms of energy changes?
The formation of positive ions typically requires energy input in the form of ionization energy to remove electrons, whereas the formation of negative ions releases energy in the form of electron affinity when electrons are added. Positive ions have higher potential energy compared to their neutral atoms, whereas negative ions have lower potential energy. Overall, the energy changes involved in forming positive and negative ions are opposite in nature.
Prosses that requires cellular energy?
photosynthesis requires cellular energy
If you try to drag a heavy suitcase along the floor and the suitcase doesn't movewhich type of friction opposes the motion?
friction releases thermal energy and releases speed and efficiency.
What is a negative impact of using ethanol for energy?
A negative impact of using ethanol for energy is its potential to increase food prices and contribute to deforestation if produced from crops like corn or sugar cane. Additionally, the production and transportation of ethanol requires energy and resources, which can result in carbon emissions and other environmental impacts.
Does an electrolytic cell release energy?
A cell with a negative voltage charge.
What step of the water cycle requires energy?
evaporation requires energy from the sun
Why is the enthalpy change of combustion always negative?
The enthalpy change of combustion is always negative because it involves the breaking of bonds in the reactants, which requires energy input, and the formation of new bonds in the products, which releases energy. The energy released during bond formation is greater than the energy required for bond breaking, resulting in a net release of energy, hence the negative value.
What does a negative Hf for molecule mean?
Energy was released when the molecule was formed from its elements
Which type of energy requires the movement of electrons?
Electric energy requires the movement of electrons.
Can binding energy be negative?
No, binding energy cannot be negative. Binding energy is always a positive quantity that represents the energy required to hold a system together. If the binding energy were negative, it would imply that the system is in an unstable state.
What is a energy job?
A job that requires energy to do
