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Temperature
This category is for questions about the various units and conversions of temperature, as well as the freezing point and boiling point of elements and compounds.
19,212 Questions
At room temeperature a substance with a melting point of 40 degrees celsius is?
know you then, only one substance 40 degress celsius melts, yes?
Why is 0 and 100 important in the Celsius scale?
0 degrees Celsius is the freezing point of water, while 100 degrees Celsius is the boiling point of water at sea level. This scale helps to create a simple and consistent reference for measuring temperature.
Which has the higher temperature - boiling water or ice?
Boiling water has a higher temperature than ice. Boiling water is heated to 100 degrees Celsius (212 degrees Fahrenheit), while ice is typically at 0 degrees Celsius (32 degrees Fahrenheit).
Does water boil at 100 or 120 degrees?
The answer depends primarily on the scale that you are using.
On the Celsius (or Centigrade) scale, under normal atmospheric pressure, pure water boils at 100 deg.
Can you use laboratory thermometer to measure your body?
Yes, a laboratory thermometer can be used to measure body temperature. However, it may not be as convenient or accurate as a clinical thermometer that is specifically designed for measuring body temperature. It is important to ensure proper cleaning and sterilization of the laboratory thermometer before and after use on the body.
What is the same between Celsius and kelvin scale?
Both Celsius and Kelvin scales have the same size degree (1 degree Celsius is equivalent to 1 Kelvin). The zero point on both scales is also set at the same temperature, absolute zero, which is the coldest possible temperature at which all molecular movement stops.
Can latent heat level be measured?
Latent heat cannot be measured directly with a sensor. It is the amount of heat energy that is absorbed or released during a phase change (e.g., melting, boiling). However, it can be calculated by measuring the change in temperature and mass of a substance during a phase change process.
Which ionic compound will lower the freezing point the most if 1 mol of its added to 1 L of water?
The ionic compound that will lower the freezing point the most when 1 mol is added to 1 L of water is one that dissociates into the maximum number of ions. Strong electrolytes like NaCl or CaCl2 would be more effective at lowering the freezing point of water compared to weak electrolytes like Na2SO4.
Do water and alcohol freeze at the same temperature?
No, they don't. The kind of alcohol that people can drink is called ethanol and it has a freezing point of -114 degrees Celsius (-114 °C). However, there are many other kinds of alcohol and each one has a different freezing point. Water freezes at 0 °C.
How long would it take 10 gallons of cold water to freeze at -0.5 degrees centigrade?
The time it takes for 10 gallons of water to freeze at -0.5 degrees Celsius depends on various factors such as the starting temperature of the water, the container material, and the surrounding environment. Generally, it could take several hours to overnight for water to freeze at that temperature.
What happens to an ice and water mixture is heat to 74 degrees Celsius?
As the ice and water mixture is heated to 74 degrees Celsius, the ice will begin to melt and transition into water. The temperature will continue to rise as the ice melts completely, reaching 0 degrees Celsius once all the ice has turned into water.
How is 34 Fahrenheit convert to kelvin?
F degrees Fahrenheit = 5*(F-32)/9+273.15 K.
So 34 deg F = 274.26 K
Is butane a gas at 20 degrees Celsius?
Yes, butane is a gas at 20 degrees Celsius. Its boiling point is -0.5 degrees Celsius, which means it will be in its gaseous state at room temperature.
What item is used to measure temperature?
A thermometer is used to measure temperature. It typically consists of a bulb containing mercury or alcohol that expands or contracts depending on the temperature. The scale on the thermometer then indicates the temperature.
How many kilojoules are required at 0 degrees Celsius to melt an ice cube with a mass of 25g?
To melt 25g of ice at 0 degrees Celsius, you need 334 J/g of energy (latent heat of fusion of ice). To convert this to kilojoules: 334 J/g * 25g = 8350 J = 8.35 kJ.
Which temperature scale shows water freezing at 32 degrees?
Fahrenheit temperature scale shows water freezing at 32 degrees.
No, increasing the boiling point of water with additives does not increase the temperature of the vapor or steam produced. The temperature of the vapor or steam will remain the same as it is determined by the boiling point of water, regardless of any additives.
What temperature Fahrenheit is equal to 3 degrees Celsius?
It is: 9/5*(3)+32 = 37.4 degrees Fahrenheit
Celsius is a temperature scale that sets the freezing and boiling points of water at 0°C and 100°C, respectively, at standard atmospheric pressure. The temperature scale is based on dividing the range between these two points into 100 equal parts. Celsius is commonly used in many countries around the world for everyday purposes.
The boiling point of a saltwater solution is higher than that of normal tap water because the presence of salt raises the boiling point. Salt molecules disrupt the formation of water vapor molecules during boiling, requiring more energy to break the bonds and reach the boiling point.
