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What is the relationship between the change in enthalpy (H), specific heat capacity (Cp), and the change in temperature (T) in a chemical reaction or physical process?
The relationship between the change in enthalpy (H), specific heat capacity (Cp), and the change in temperature (T) in a chemical reaction or physical process is described by the equation H Cp T. This equation shows that the change in enthalpy is directly proportional to the specific heat capacity and the change in temperature.
Is melting a change to metal physical changes?
melting is a physical change. freezing is also a physical change. the only thing that changed was the state of matter. a chemical change for example is buring, the substance changes to co2 and h2o.
Is a change that produces a new element a physical change?
No, it is a chemical change. ---------------------------------- Yes, it is a physical change because this change not involve a chemical reaction but a nuclear reaction followed by a change in the number of protons and neutrons.
When gold changes from a solid to a liquid is that a physical or chemical change?
The change from a solid to a liquid is a physical change, as the substance's chemical composition remains the same. Physical changes affect the state or form of matter without altering its chemical composition.
Can energy change something in an object?
Yes, energy can change something in an object by either transferring heat to it, causing it to move, or altering its chemical composition. This change can manifest as increased temperature, a change in position, or a transformation in the object's physical or chemical properties.
How does temperature affect physical and chemical chemical change?
A change in temperature can change the rate of physical or chemical change.
Is temperature physical weathering or chemical weathering?
Temperature change is a physical phrenomenon.
What can be used as an indicator fot a physical change and a chemical change?
A temperature change can be seen both in physical and chemical changes.
How a temperature change is not a chemical change?
Change in temperature is not a chemical change rather it is a physical change because it does not cause any change in composition or chemical properties of matter.
Difference between chemical and physical change?
A chemical change is when the chemical properties of a substance changes and a physical change is when the chemical properties stay the same but the physical properties (shape, temperature etc...)
Is it a chemical change physical change chemical property or physical property when hydrogen chloride is a gas at room temperature.?
The observation that hydrogen chloride is a gas at room temperature is a PHYSICAL property.
Is scorching butter a physical or chemical change?
Melting is a physical change; but above a temperature the thermal decomposition of butter begin - this is a chemical change.
Would something turning hot to cold be a chemical change?
A decrease in temperature is a physical change, not chemical.
A change in a physical property of another substance is a one physical change chemical change physical property?
It is a change of a physical property - for example the variation of temperature.
Scorching butter chemical or physical change?
Melting of butter is a physical change, a change of phase; but the brown color, at high temperature, is an indication of thermal decomposition - this ia a chemical change (change of composition).
Heating a frying pan is chemical or physical change?
Heating a frying pan is a physical change. A chemical change is when you change the chemical properties. Heating the pan is only changing the temperature of the pan not the chemical make up.
Is thermal expansion a chemical change?
No, thermal expansion is a physical change, not a chemical change. It occurs when a material expands or contracts in response to changes in temperature, without any change in the chemical composition of the material.
