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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

What solution which will not freeze at 0 degrees Celsius?

One solution that will not freeze at 0 degrees Celsius is a saturated salt solution, such as a solution of sodium chloride (table salt) in water. The addition of salt lowers the freezing point of water, preventing it from freezing at 0 degrees Celsius.

What burns at 451 degrees Fahrenheit?

Paper burns at approximately 451 degrees Fahrenheit, which is why it is the title of Ray Bradbury's novel "Fahrenheit 451" where books are burned as a form of censorship.

A 3 kg iron bar at 250 degrees Celsius is placed in 4 liters of water at 22.7 degrees Celsius what will be the change in temperature of the water?

To find the change in temperature of the water, you can use the principle of conservation of energy, specifically the equation (m_1c_1(T_1 - T_f) = m_2c_2(T_f - T_2)). Given that the iron bar and water reach thermal equilibrium, you can solve for the final temperature (Tf) of the system. Once you calculate Tf, you can find the change in temperature of the water by subtracting the initial temperature of the water from Tf.

What is the unit temperature is measured in?

temperature is measured in degrees celsius or Fahrenheit

Which instrument is used to measure the maximum and minimum temperature of the day?

A maximum-minimum thermometer is typically used to measure the highest and lowest temperatures of the day. This type of thermometer contains two scales that can be set manually to record the highest and lowest temperatures reached within a specific period.

What is 417 degrees f in centigrade?

417 degrees Fahrenheit is equal to approximately 214 degrees Celsius.

How do you get rid of hot and cold flashes?

To help alleviate hot and cold flashes, you can try regulating the room temperature, dressing in layers for easy adjustment, practicing relaxation techniques like deep breathing or meditation, and staying hydrated. If these symptoms persist or worsen, it's important to consult with a healthcare professional to rule out any underlying medical conditions.

Where Celsius scale used for temperature?

The Celsius scale is used for measuring temperature in most countries around the world, including in scientific settings, weather reporting, and everyday use. It is based on the freezing and boiling points of water, with 0°C representing freezing and 100°C representing boiling at sea level.

What is the melting point in celsius and kelvin of hydrogen?

Hydrogen has the following melting points: 14.01 K, -259.14 °C and -434.45 °F

Why does the temperature near the ceiling tend to be warmer than near the floor?

Hot air rises cold air falls, a example of this is hot-air balloons, hot-air balloons use a fire to heat up the air inside it so it will rise and they also have a latch to relase some of the hot air so that the ballon will desend.

Why is the freezing point on the Fahrenheit scale 32 degrees and not 0 degrees?

It is due to the construction of the scale. The Fahrenheit scale was based on the temperature of a slurry of ammonium salts and water as zero and body temperature as 100. The scale was then divided into one hundred intervals. Body temperature was later found to be slightly less than 100 ºF.

The zero of the Celsius scale was based on the freezing point of water and the hundred on the boiling point of water at one atmosphere. The scale was then divided into one hundred intervals. Body temperature is around 36.7 ºC. The magnitude of the scale intervals on these two temperature scales are different. The Kelvin scale zero is based on the theoretical value where particles have no energy. The Kelvin and Celsius scales have the same magnitude intervals or graduations.

Is the weight of diesel affected by temperature?

Yes, the weight of diesel fuel can be affected by temperature. As diesel is exposed to different temperatures, its volume can expand or contract, leading to a change in weight. Generally, diesel fuel will weigh less at higher temperatures and more at lower temperatures due to the difference in density.

What is the celsius equivalent of 78 degrees?

The Celsius equivalent of 78 degrees Fahrenheit is 25.6 degrees Celsius.

What temperature in Fahrenheit is 220 C?

220 degrees Celsius is equivalent to 428 degrees Fahrenheit.

When temperature increases does ductility decreases?

Typically, yes. As temperature increases, the movement of dislocations in the material is enhanced, leading to a decrease in ductility. This can result in greater deformation under lower stress levels, making the material more susceptible to failure.

Is 30 degrees celsius below zero?

No, 30 degrees Celsius is 86 degrees Fahrenheit.

When the temperature of gas is hot the pressure is what?

as temperature of a gas increases so does the pressure. they vary proportionally in the combined gas law which is P1V1/T1=P2V2/T2

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What is 283 degrees Celsius in kelvin?

The answer is 556.15 K (approx.). The Kelvin scale starts at absolute zero and is used in scientific laboratories. Celsius is for general use and set 0 and 100 as melting and boiling point of water respectively. To convert from C to K, add 273.15 to C.

Which contains more heat 1 kg of ice at o degree celsius or you kg of water at o degree celsius?

1 kg of water at 0 degrees Celsius contains more heat than 1 kg of ice at 0 degrees Celsius. This is because the water has higher thermal energy due to its liquid state compared to the ice in its solid state.

How much degrees is 1 kelvin?

1 kelvin = -457.87 degrees Fahrenheit

What is the temperature on Mars in degrees Celsius?

Differing values have been reported for the average temperature on Mars, with a common value being −55 °C (−67 °F). Surface temperatures have been estimated from the Viking Orbiter Infrared Thermal Mapper data; this gives extremes from a warmest of 27 °C (81 °F) to −143 °C (−225 °F) at the winter polar caps. Actual temperature measurements from the Viking landers range from −17.2 °C (1.0 °F) to −107 °C (−161 °F).

Which temperature is 20 degrees colder than 44 Fahrenheit?

20 degrees colder than 44 degrees Fahrenheit would be 24 degrees Fahrenheit.

How many degrees equals 100 degrees centigrade?

100 degrees Celsius is equal to 212 degrees Fahrenheit.

What happens to freezing point when sand is added to water?

Essentially nothing. Colligative properties like boiling point elevation require that the material actually dissolve. Sand doesn't.

It may have some effect on the boiling process (as distinct from the boiling point) due to the sand providing nucleation sites for bubbles to form, but this is a different phenomenon.