Energy

Decomposition reaction with heat: AB ⟶ A + B, where heat (ΔH) is included in the reactants or products.

Decomposition reaction with light: 2A ⟶ A + A, where light is supplied as a reactant causing the molecule A to decompose into two separate molecules of A.

Decomposition reaction with electricity: 2AB ⟶ A + B, where electricity is applied to break down the compound AB into its elemental components A and B.

False. A stick of unlit dynamite contains potential energy, not kinetic energy. Kinetic energy is the energy of motion, while potential energy is the stored energy an object possesses due to its position or state.

The name for an electrical load that converts electrical energy into heat energy is a resistor. Resistor works by resisting the flow of electricity through a circuit, which in turn generates heat as a byproduct.

It indicates the amount of energy released during the earthquake. It is a logarithmic scale, meaning (in this case) that 1 number more on this scale indicates 10 times more energy, 2 more indicates 100 times more energy, etc.

Temperature is a major challenge in using geothermal energy sources. The efficiency and productivity of geothermal power plants are highly dependent on the availability of high-temperature resources deep underground. Low-temperature geothermal sources are less efficient and limit the scale of power generation.

The car's motor does work to transfer energy, a portion of which is used for purposes other than kinetic energy, such as overcoming friction, air resistance, or internal mechanical losses. Therefore, not all the energy output by the motor contributes to the car's kinetic energy, resulting in a discrepancy between the work done by the motor and the car's kinetic energy.

When we talk about "burning" it generally means a chemical reaction with oxygen from the air, which produces heat. Nuclear scientists and engineers also talk about "burning" or "burnup" of the nuclear fuel, in this case there is no fire or chemical reaction, so perhaps this is what you have in mind.

yes, it is an imaginary line the separates the north from the south

The car that is highest has the most potential energy.

The primary source of energy for seedlings in the early days of growth is stored energy in the seed itself. As the seed germinates, it uses the stored starches and oils for initial growth until it can develop its own photosynthetic capabilities to produce energy from sunlight.

When you rub a match against a rough surface, friction generates heat that ignites the matchstick. The energy to start the fire doesn't come from nowhere; it comes from the mechanical work you do by rubbing the match against the rough surface, converting it into thermal energy to ignite the matchstick. This process still follows the law of conservation of energy.

The process you are referring to is called photosynthesis. Photosynthesis occurs in plant cells and some bacteria, where light energy from the sun is captured by chlorophyll and converted into chemical energy in the form of glucose. This process is essential for producing food and energy for the cell's survival.

Increasing the area of the tap opening allows more water to flow through, which results in an increase in the velocity of the water exiting the tap. This is due to the principle of conservation of mass, where the same volume of water must pass through the larger opening in a shorter time, leading to an increase in velocity.

There is one periodic table that is universally recognized and used by scientists worldwide. It is periodically updated to reflect new elements or discoveries. The most recent version is the 7th period which showcases all known elements up to that point.

An atom that has gained an electron becomes a negatively charged particle called an anion. This occurs when the atom gains an extra electron and now has more electrons than protons, giving it a net negative charge.

Velocity itself is not a form of energy. Velocity is a measure of how fast an object is moving in a specific direction. Energy associated with an object moving due to its velocity would be kinetic energy.

Sound energy is a form of mechanical energy, as it involves the movement of particles in a medium (such as air, water, or solids). Sound waves transmit energy through the vibration of these particles, creating longitudinal waves that can be heard by our ears.

Eggs can float in water because of the air pocket located at the wider end of the egg. As the egg ages, more air enters the egg through the porous shell, making it less dense and causing it to float. This phenomenon can be used to determine the freshness of an egg - the older the egg, the more it will float.

Max Planck considered quantized the energy of vibrating atoms, leading to the development of quantum theory. He proposed that energy is emitted or absorbed in discrete units or "quanta," rather than in a continuous manner.

Everyone wants to be in a state of maximum stability and so is the case of elements.

The elements in their free state are unstable and don't have stable electronic configuration.

By gaining, loosing or sharing electrons they achieve noble gas configuration

which is stable and thus the element gets its stability.

Collisions of electrons with other particles in a circuit can result in energy loss in the form of heat. This occurs due to resistance in the circuit, which causes a portion of the electrical energy to be converted into thermal energy. The charge of the electrons remains constant during these collisions.

You can prove it by using an energy monitor that measures the actual energy consumption of the light bulb. The wattage directly correlates to the amount of energy used by the bulb, regardless of its physical size. A higher wattage bulb will consume more energy than a lower wattage bulb, even if they are of the same physical size.

The problem with wind energy is that it does not produce much electricity. Wind does not flow at all places. So having wind energy as a major source of electricity is not a option.

The unit used to describe the amount of electrical energy provided by an energy source is the kilowatt-hour (kWh). It represents the amount of energy consumed or produced by using 1 kilowatt of power for 1 hour.

The SI unit of binding energy is the joule (J), which is a derived unit representing the energy required to separate a nucleus into its individual protons and neutrons. This energy reflects the strength of the nuclear force that binds particles together within the atomic nucleus.