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A substance will exist as a gas at ambient temperature and pressure?
A substance will exist as a gas at ambient temperature and pressure if its boiling point is below the ambient temperature and its vapor pressure exceeds the atmospheric pressure at that temperature.
What is the temperature at which a substance may exist in all three phases?
The temperature at which a substance may exist in all three phases (solid, liquid, and gas) simultaneously is known as the triple point. At the triple point, the substance's vapor pressure, temperature, and phase equilibrium are all in balance, allowing for coexistence of all phases.
Why some substance cannot exist in gaseous state?
because the they need Very HIGH TEMPERATURE TO CHANGE STATE...and we cannot supply that very high temperature
Why is it important to say the state of a substance with its temperature?
Specifying the state of a substance with its temperature is important because temperature affects the physical properties and behavior of the substance. For example, water can exist as a solid (ice), liquid, or gas (water vapor) depending on its temperature. Identifying both the state and temperature provides crucial information about how the substance will behave under different conditions.
What are two physical properties that can that can vary when the substance with these physical properties that dose not change?
Two physical properties that can vary without changing the substance are temperature and pressure. For example, water can exist as a solid (ice), liquid, or gas (steam) at different temperatures and pressures, but it remains chemically the same H2O molecule.
A substance will exist as a gas at ambient temperature and pressure?
A substance will exist as a gas at ambient temperature and pressure if its boiling point is below the ambient temperature and its vapor pressure exceeds the atmospheric pressure at that temperature.
What is a critical temperature?
A critical temperature is the temperature at which a substance transitions between different phases (solid, liquid, gas) under specific conditions, such as pressure. Above this temperature, the substance cannot exist in a distinct phase and becomes a supercritical fluid. It is a fundamental property for understanding phase transitions in materials.
What is the temperature at which a substance may exist in all three phases?
The temperature at which a substance may exist in all three phases (solid, liquid, and gas) simultaneously is known as the triple point. At the triple point, the substance's vapor pressure, temperature, and phase equilibrium are all in balance, allowing for coexistence of all phases.
What is true about triple point?
The triple point is the temperature and pressure at which a substance can exist in equilibrium as a solid, liquid, and gas simultaneously. It is a unique point on a substance's phase diagram where all three phases coexist. The triple point is a characteristic property of a substance.
What are the properties of heat and work?
Heat is a form of energy that results in a change in temperature or state of the system. Work refers to an activity that is being done on or by the system with the involvement of energy. Energy is the capacity to do work and is analogous to domestic currency. Both Work and heat (energy) are measured in Joules.
What is the gaseous form of a substance which exist as a liquid at room temperature known as?
The gaseous form of a substance that exists as a liquid at room temperature is known as vapor.
Is liquid metal a chemical property?
The fact that a metal (mercury) is a liquid at room temperature is a characteristic property of the metal, mercury. The temperature at which a metal melts to become liquid would be a chemical property of the metal.
The triple point of a substance is the temperature and pressure conditions at which?
the solid, liquid, and gas phases of a substance coexist in equilibrium. At the triple point, the substance can exist in all three states simultaneously. It is a unique combination of temperature and pressure for each substance.
What is the triple point temperature?
The triple point temperature is the temperature at which a substance can exist in equilibrium as a solid, liquid, and gas simultaneously. It is unique for each substance and defined by its specific pressure conditions.
What state can a physical form in which a substance can exist?
A physical state in which a substance can exist depends on its temperature and pressure. Common states include solid, liquid, gas, and plasma. For example, water can exist as ice (solid), liquid water, or steam (gas) depending on its temperature and pressure.
What temperature is it impossible to liquify a substance no matter the pressure?
The critical temperature is the temperature at which a substance cannot exist in the liquid phase, regardless of the pressure applied. Beyond this temperature, the substance will be in the vapor phase.
What gases can exist at 70 degrees Fahrenheit?
At 70 degrees Fahrenheit, gases such as oxygen, nitrogen, carbon dioxide, and helium can exist in their gaseous state. The specific gases present will depend on the surroundings and conditions at that temperature.
