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What is an example of a change in state?
Boiling (or freezing) water (the change to steam or ice).
Steam is sometimes used to melt ice Is this change physical or chemical?
The use of steam to melt ice is a physical change. The ice is still the same substance (water), but it changes from a solid to a liquid form due to the gain of heat energy from the steam. No new substances are formed during this process.
Is Steam melting ice a physical or chemical change?
Steam melting ice is a physical change. In this process, steam (water vapor) transfers heat to the ice, causing it to change from a solid state to a liquid state without altering its chemical composition. The water molecules remain H2O before and after the change, indicating that no new substances are formed.
Does water change into ice at its boiling point?
No, it turns into steam. Water turns into ice at its freezing point.
What is ordered from the least thermal energy to the most A ice to steam to water B water to ice to steam C ice to water to steam D steam to water to ice?
Ice to water to steam.
How many BTU's to change 22 degree ice to 222 degree steam?
To change 1 gram of ice at 22 degrees Fahrenheit to steam at 212 degrees Fahrenheit, you would need approximately 1064.73 BTUs. This calculation takes into account the energy required to melt the ice, heat the water, and then boil it to steam.
Steam can be compressed while ice can not why?
Ice is a solid and steam is a gas
Why is boiling or melting a physical change and not a chemical change?
because you dont change the molecule. H2O IS THE SAME MOLECULE as water, ice or steam
What is the amount of heat to change 10 lbs of ice at 20 degree F to steam 220 degree F?
To change 10 lbs of ice at 20°F to steam at 220°F, you would need to consider the heat required for each phase change: Heating the ice from 20°F to 32°F (melting point) - specific heat of ice Melting the ice into water at 32°F - heat of fusion of ice Heating the water from 32°F to 212°F (boiling point) - specific heat of water Vaporizing the water into steam at 212°F - heat of vaporization of water Heating the steam from 212°F to 220°F - specific heat of steam
How many calories are needed to change 20g of ice at -20c to steam at 110c?
11500 calories
Density list of ice and water and steam?
The density of ice is approximately 0.92 g/cm³, the density of water is 1 g/cm³, and the density of steam (water vapor) at standard conditions is around 0.6 g/cm³. As temperature changes the density of water and ice can also change - with water being most dense at 4°C.
What is the new substances that are formed during physical change?
in a physical change, no new substance is formed. for example liquid water. You freeze it, it becomes ice. when you boil it, it evaporates into steam. HOWEVER. Steam, ice, or liquid, it is STILL water. You only form new substances in chemical changes: cooking/burning food, reacting chemicals etc. : )
