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Define melting point and boiling point and write their values?
Melting point is defined as the temperature at which a solid melts to become a liquid, the value of which depends upon the material. Boiling point is defined as the temperature at which a liquid reaches such a temperature that bubbles begin to form inside the liquid due to vapor pressure. The value at which a liquid boils depends on what the liquid you are attempting to boil, is. Oil boils at a higher temperature than water. Antifreeze boils at another temperature altogether. Steel, when liquid, boils at a very high temperature, while alcohol boils at a comparably low temperature.
Would carbon dioxide have a higher boiling point than water and why?
No, carbon dioxide has a much lower boiling point than water. The boiling point is the temperature at which a substance changes phases from a solid to a liquid. Carbon dioxide is a gas at room temperature, while water is found primarily in liquid form at room temperature. Therefore, at 78 degrees F, carbon dioxide is above its boiling point while water is below its boiling point.
Why h2O Is liquid and H2O is gas?
Change in the state of matter. It is the same thing but, one is under less pressure or higher temperature (or both) than the other.
Is ice cube a solid gas or liquid?
solid with hydrogen bonds making it less dense than its liquid form
Which Metal Other Than Mercury Exist In Liquid Form?
There are two elements that are liquid at the temperature technically designated 'room temperature' or 298 K (25° C) and a total of six elements that can be liquids at actual room temperatures and pressures. Liquid at 25°C * Bromine * Mercury Become Liquid 25°C-40°C * Francium * Cesium * Gallium * Rubidium
What conditions are needed for liquid water?
Temperature higher than freezing and lower than boiling.
Why is kerosene used as a jet fuel?
For one, they have a higher BTU output and higher constant flame temperature than unleaded fuels. In liquid form, they're less volatile and less flammable than unleaded fuels, but ignite easily when vaporized.
Why is CS2 a liquid at room temperature whereas CO2 is a gas at room temperature?
CS2 has a higher molar mass than CO2
Define melting point and boiling point and write their values?
Melting point is defined as the temperature at which a solid melts to become a liquid, the value of which depends upon the material. Boiling point is defined as the temperature at which a liquid reaches such a temperature that bubbles begin to form inside the liquid due to vapor pressure. The value at which a liquid boils depends on what the liquid you are attempting to boil, is. Oil boils at a higher temperature than water. Antifreeze boils at another temperature altogether. Steel, when liquid, boils at a very high temperature, while alcohol boils at a comparably low temperature.
Why is liquid safer than gas?
Coefficient of cubical expansion for liquid is much less than that of the gaseous form. So to avoid burst due to rise in temperature liquid is safer than gas.
Where can convection currents form?
Convection currents can form when there a temperature differential within the same body of a liquid or gas and the higher temperature obtains at a lower vertical position than the cooler liquid. If the relative vertical temperatures are reversed, convection currents may be prevented by what is known as a thermocline, i.e., a static layer of liquid which effectively prevents mixing of the different temperatures necessary to produce convection.
How do you know that particles in a gas have more energy than particles of same substance as a liquid or a solid?
We know that for any given substance, and at a given pressure, the gas phase exists at a higher temperature than the liquid phase, which exists at a higher temperature than the solid phase. And temperature measures heat energy per molecule or atom, hence, gas particles have more energy than particles of the same substance in their liquid or solid phase.
A substance that has a specific heat that is higher than liquid water and explain what it means?
that means more energy is needed to raise the temperature of 1kg of liquid from 1 Celsius than water.
What are 3 properties of a gas?
RarefiedAmorphous, taking shape of the containerLower Density than solid or liquid of the same compound.Higher energy state than solid or liquid of the same material.Either the same temperature as the corresponding solid or liquid if both are present, or a higher temperature if only the gas is present.
How does temperature effect water tornadoes?
Water tornadoes, properly called waterspouts, form best when the water temperature is higher than the air temperature.
Which has higher Kinetic Energy something solid at 307 Kelvin or something liquid at 307 kelvin?
Liquids have higher kinetic energy than solids at the same temperature.
Is it possible for a liquid to boil at a temperature other than its normal boiling point?
yes it is. The boiling point of a liquid is affected by the atmospheric pressure, so it is higher at sea level than it is at high altitude. Also depends on the purity of liquid
