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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
Is the evaporation temperature always the same as the boiling point?
Liquids are constantly evaporating but it's only at the boiling point that all the particles have enough energy to go from liquid to gas.
e.g. Water molecules can evaporate off of wet clothes at a temperature other than 100 Degrees Celsius.
What is minus 51 degree Fahrenheit as Celsius?
Minus 51 degrees Fahrenheit is equivalent to approximately minus 46 degrees Celsius. To convert Fahrenheit to Celsius, subtract 32 from the Fahrenheit temperature and then multiply by 5/9.
Where did Celsius get its name?
It is named after the Swedish astronomer Anders Celsius (1701-1744), who developed a similar temperature scale. The unit was known until 1948 as "centigrade" from the Latin centum translated as 100 and gradus translated as "steps".
What is the phase of water when its temperature is at 150degrees celsius?
Water is in the gas phase at 150 degrees Celsius, known as steam or water vapor.
What does it mean for something to be hot or cold?
Something is hot when it has a high temperature, while something is cold when it has a low temperature. Temperature is a measure of the average kinetic energy of the particles in a substance.
What effect on temperature does the location windward of a large body of water have?
Being windward of a large body of water typically results in milder temperatures due to the moderating influence of the water. This effect, known as maritime influence, can lead to cooler summers and milder winters compared to inland areas. The water helps regulate temperature by absorbing and releasing heat more slowly than land.
How much is 320 degrees Fahrenheit into Celsius?
To convert Fahrenheit to Celsius, you can use the formula: (°F - 32) x 5/9. Plugging in 320 for °F, the conversion would be (320 - 32) x 5/9, which equals 160 degrees Celsius.
What is the degree f surface smoothness?
Surface smoothness is typically measured in Ra (Average Roughness) or RMS (Root Mean Square) for engineering applications. These measurements give an indication of the fine details of a surface profile and are expressed in micrometers or inches. The smaller the Ra or RMS value, the smoother the surface.
A phase diagram is a graph that shows the different states of a substance (solid, liquid, gas) based on the temperature and pressure it is subjected to. It displays the conditions at which phase transitions occur, such as melting or boiling points.
Is tantalum a solid room temperature?
Yes, tantalum is a solid at room temperature. It is a dense, grey metal with a very high melting point of 3017°C (5463°F). Tantalum is highly resistant to corrosion and is often used in electronic components and medical implants.
Does sound travel faster in hotter or colder temperatures?
Sound travels faster in hotter temperatures because the molecules in the medium are moving faster, allowing sound vibrations to propagate more quickly. In colder temperatures, the molecules move more slowly, which can slow down the speed of sound.
What are thermometers filled with besides mercury?
Thermometers can be filled with alcohol, which is a less toxic alternative to mercury. Some modern thermometers use digital sensors to measure temperature, eliminating the need for any liquid filling.
To calculate the total heat energy needed, you'd first need to raise the temperature of the water from 50°C to 100°C using the formula: Q = mcΔT, where Q is the heat energy, m is the mass (10 kg), c is the specific heat capacity of water, and ΔT is the temperature change. Then, you'd calculate the heat energy needed to change water at 100°C to steam at 120°C using the heat of vaporization formula: Q = mL, where L is the latent heat of vaporization of water. Add both calculated heat energies to get the total heat energy required.
How do you convert 71.33 Fahrenheit into kelvin?
To convert Fahrenheit to Kelvin, you first need to convert Fahrenheit to Celsius using the formula (Fahrenheit - 32) x 5/9. Then, add 273.15 to the result to convert to Kelvin. For 71.33 Fahrenheit, the conversion is: (71.33 - 32) x 5/9 + 273.15 ≈ 294.094 Kelvin.
What is -3.5 degrees Celsius in Fahrenheit?
-3.5 degrees Celsius is equivalent to 25.7 degrees Fahrenheit. This can be calculated using the formula (Celsius x 9/5) + 32 = Fahrenheit.
When temperature rises solids do what?
When temperature rises, solids generally expand because the particles within the solid gain kinetic energy and move with greater vibration, causing the material to take up more space.
The melting point of a substance is the temperature at which it changes from a solid to a liquid phase at atmospheric pressure. Melting points vary greatly among different substances, with some melting at very low temperatures (like ice melting at 0°C) and others at very high temperatures (like tungsten melting at 3,422°C).
Are boiling points and freezing points examples of chemical properties?
No, boiling points and freezing points are examples of physical properties, not chemical properties. Chemical properties describe how a substance interacts with other substances to form new substances, while physical properties describe characteristics that can be observed without changing the chemical composition of the substance.
What body temperature is 35.2C?
A body temperature of 35.2°C is considered below the normal range for a human adult. It is indicative of hypothermia or a low-grade fever. It is important to monitor this temperature and seek medical advice if necessary.
Subzero temperature refers to any temperature that is below freezing point, which is 0 degrees Celsius or 32 degrees Fahrenheit. It is commonly used to describe very cold temperatures found in winter or in certain environments like the Arctic or Antarctic regions.
