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Is it a physical or chemical change when the liquid mercury in a thermometer expands as it is heated?
physical change
Is baking soda a physical or a chemical change?
Baking soda undergoing a reaction to produce carbon dioxide gas when heated is a chemical change. This is because new substances are formed during the process.
When mercuric oxide is heated what colour change is there?
When mercuric oxide is heated, it changes from red to yellow as it decomposes into mercury and oxygen gas.
What is the word equation for heated mercury?
The word equation for heated mercury is "mercury reacts with oxygen to form mercury oxide."
Is sulfur combined with oxygen produces sulfur dioxide a physical change?
This is a chemical change because there is a molecular change in the composition. A physical change results when the size, shape, phase, texture etc. of a substance changes. Liquid water heated to water vapor is a physical change.
What is the liquid mercury in a thermometer expands as its heated what is this a?
physical change
Is it a physical or chemical change when the liquid mercury in a thermometer expands as it is heated?
physical change
Is putting pottery in heated place a physical or chemical change?
It is a physical change
Example of produce gas in physical change?
A piece of metal that is heated will expand and produce gas due to the reaction of the metal with oxygen in the air, forming metal oxides. This is a physical change because the metal itself does not change its chemical composition, but it does result in the production of gas as one of its observable effects.
Is melting butter a physical or shemical change?
Physical Change if it's not heated to the point where it starts to smoke.
What are the example of physical change and there effect?
A physical change is a change only in physical meaning that Original things can be get after it Eg Water change into ice . Water can be get if heated.
When a mercury therometer is heated the mercury expands and rises in the thin tube of glass What does this indicate about the relative rates of expansion for mercury and glass?
The fact that the mercury expands and rises in the thin glass tube when heated indicates that mercury expands more than glass when heated. This suggests that mercury has a higher coefficient of thermal expansion compared to glass.
Is baking soda a physical or a chemical change?
Baking soda undergoing a reaction to produce carbon dioxide gas when heated is a chemical change. This is because new substances are formed during the process.
Is water is heated and changed to steam a physical change or chemical change?
chemical
Is fireworks a physical or chemical change?
Fireworks involve both physical and chemical changes. The lighting of the firework (ignition) is a chemical change that triggers a series of reactions which results in the colorful display seen (physical change) as different elements are heated and produce light.
When mercuric oxide is heated what colour change is there?
When mercuric oxide is heated, it changes from red to yellow as it decomposes into mercury and oxygen gas.
When a solid is heated its particles melt and change into a liquid?
This physical change is called melting.
