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what 3 types of energy come from heated H20

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When heating a beaker of H20 on a hot plate there are 3 types of energy conversions?

The energy conversions involved are: electrical energy from the hot plate is converted to thermal energy, which heats the water, leading to an increase in its internal energy. As the water heats up, some of this energy is lost to the surroundings as thermal energy.


In what sense is energy from coal actually solar energy?

Coal is derived from plant material which was produced by solar energy during photosynthesis. Photosynthesis is roughly H20 + CO2 + solar energy = Ch20 + O2, which converts CO2 and water to oxygen and plant material as the plant grows.


How does water change from one state to another by adding or taking away heat?

When you add heat to water, the H20 molecules receive energy and move around rapidly making the water bubble. When you remove heat, just the opposite happens, the molecules slow down, and get closer to solid form (ice). This makes the water more still, which isn't very noticeable to the naked eye until ice starts to form.


What kind of reaction energy that requires energy in the form of heat?

Endothermic reactions require energy in the form of heat to proceed, as they absorb heat from their surroundings to drive the chemical reaction forward. This heat input is necessary to break the existing bonds in the reactants, allowing new bonds to form and the reaction to reach completion.


How much thermal energy is needed to raise the temperature of 10.0 g of water 15.0 degrees Celsius?

Heat of vaporization of water is 40.7 kJ/mol so convert grams of water to moles of water and then convert moles of water to kJ of energy using the above fact. 10g H2O * (1mol/1.008*2+16)=mol H20