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Which elements will be liquids at -156 degrees Celsius?
Elements that will be liquids at -156 degrees Celsius include mercury (Hg), which has a melting point of -38.83 degrees Celsius, and gallium (Ga), which has a melting point of 29.76 degrees Celsius.
How many elements are liquids at room temperature 20 degrees. write the chemical names and symbols?
At room temperature (approximately 20 degrees Celsius), there are two elements that are liquids: bromine (Br) and mercury (Hg). Bromine is a reddish-brown liquid, while mercury is a silvery metal that is liquid at room temperature. Both are unique among the elements, as most are solids or gases under these conditions.
What does liquid freeze at?
Different liquids have different freezing points. For water, it's 32 degrees Fahrenheit. 0 degrees Celsius.
Are there other liquids besides water that boil at 100 degrees celsius?
Yes, there are other liquids that can boil at 100 degrees Celsius under specific conditions, such as certain mixtures or solutions. For example, a saline solution or sugar solution can have a boiling point around this temperature depending on concentration and atmospheric pressure. Additionally, some liquids may have boiling points that approach 100 degrees Celsius at higher altitudes where atmospheric pressure is lower. However, pure water at standard atmospheric pressure is the most commonly recognized liquid with this boiling point.
Explain why water is not suitable as a liquid in the thermometer?
Water is not suitable for use in a thermometer because it freezes at 0 degrees Celsius and boils at 100 degrees Celsius, which limits its range of measurement. Additionally, water has a high coefficient of expansion compared to other liquids used in thermometers, leading to inaccuracies in temperature readings.
Which elements will be liquids at -156 degrees Celsius?
Elements that will be liquids at -156 degrees Celsius include mercury (Hg), which has a melting point of -38.83 degrees Celsius, and gallium (Ga), which has a melting point of 29.76 degrees Celsius.
What elements are liquids at 30 degrees Celsius?
At 30 degrees Celsius, water, ethanol, and acetone are common examples of liquids. Each of these substances have a melting point below 30 degrees Celsius, allowing them to exist in liquid form at that temperature.
What elements are liquids at 55 degrees Celsius?
One if the most famous liquids at that temperature is mercury or quick silver as it was known previously.
Is the boiling point of all liquids 100 degrees Celsius?
No, not all liquids boil at 100 degrees Celsius. Water boils at 100 degrees C.
Which element is the only liquids on the periodic table at 20 degrees Celsius?
Only two elements on the periodic table are liquids at normal temperature and pressure. They are bromine (Br, atomic #35) and mercury (Hg, atomic #80.)
Which two elements are liquids at 25 degress celsius?
Two elements that are liquids at 25 degrees Celsius are mercury (Hg) and bromine (Br). Mercury is a silvery metal that remains in liquid form at room temperature, while bromine is a reddish-brown liquid with a strong odor.
What are the substances which are liquids at -187degrees?
At -187 degrees Celsius, some substances that are liquids include liquid nitrogen (boiling point of -196 degrees Celsius) and liquid oxygen (boiling point of -183 degrees Celsius). These substances are commonly used in cryogenic applications and research.
How temperature is involved in the process of changing different states of matter?
Temperature plays a key role in changing the state of matter by providing the energy needed to break or form bonds between molecules. When temperature increases, solids melt into liquids, and liquids evaporate into gases. Conversely, when temperature decreases, gases condense into liquids, and liquids freeze into solids.
How many elements are liquids at room temperature 20 degrees. write the chemical names and symbols?
At room temperature (approximately 20 degrees Celsius), there are two elements that are liquids: bromine (Br) and mercury (Hg). Bromine is a reddish-brown liquid, while mercury is a silvery metal that is liquid at room temperature. Both are unique among the elements, as most are solids or gases under these conditions.
What is the boiling point of liquids?
212 Degrees Fahrenheit,100 Degrees Celsius
What does liquid freeze at?
Different liquids have different freezing points. For water, it's 32 degrees Fahrenheit. 0 degrees Celsius.
How can liquids change into solids?
Liquids change into solids through a process called solidification or freezing. When liquids are cooled below their freezing point, the particles within the liquid slow down and the attractive forces between them cause them to arrange into a more ordered structure, forming a solid.
