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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 is the conversion of 20 degrees celsius in Fahrenheit?
The conversion formula is: F = (C x 1.8) + 32
- F = (20 x 1.8) + 32
- F = 36 + 32
- Fahrenheit = 68°
To calculate the energy required to raise the temperature of Lake Erie by 1 degree Celsius, you would need to know the specific heat capacity of water, which is 4.186 J/g°C. Given that the volume of Lake Erie is 484 km^3, you would need to convert this volume into grams and then use the formula: energy = mass * specific heat capacity * temperature change.
How many degrees is Celsius away from Fahrenheit?
The "degrees" (although being called by the same name) are of different size, and the zero points are different on each scale.
1 degree Celsius equals a change of 9/5 = 1.8 degrees Fahrenheit and
1 degree Fahrenheit equals a change of 5/9 = 0.555555555 degrees Celsius.
The Celsius scale is based on the temperatures at which water freezes and boils, which are defined as 0°C and 100°C.
The Fahrenheit scale can be defined by those same temperatures, but with the values of 32°F = 0°C and 212°F = 100°C.
(see related question)
What happens when an iron ball of 40 degrees Celsius is put in water of 40 degrees Celsius?
Temperature will not change since thermodynamic equilibrium will be attained irrespective of the mass of the iron and conduction which is flow of heat from hotter to colder medium can't take place since the temp of both are same...
Combustible liquids with a flash point at or above 200 degrees Fahrenheit would be classified as Class III liquids under the United States Department of Transportation's hazardous materials regulations. These liquids are considered to have a moderate fire hazard.
Boiling point of water is 100 degree celsius but why it boils at 130?
Water boils at 100 degrees Celsius at sea level. If water is boiling at 130 degrees Celsius, it might be due to the presence of impurities or changes in atmospheric pressure, which can affect the boiling point of water.
How many degrees F is 13 degrees C?
13 degrees Celsius = 55.4 degrees Fahrenheit
Formula: [°F] = [°C] × 1.8 + 32
0degrees celsius is how many degrees Fahrenheit?
32-degrees Fahrenheit. 0-Celsius is the freezing point of water, as is 32-degrees Fahrenheit
The scale that water boils at 100 degree and freezes at 0 degree?
This is the Celsius scale, commonly used in the metric system for measuring temperature.
What physical property is being used when using a clinical thermometer to measure temperature?
Expansion of a fluid, usually mercury but alcohol (usually red colored) is used.
Expansion of a metal (solid) in a bimetallic strip
Change in electrical resistance - used in sensors
Thermoelectric effect - ( thermocouples)
Quartz crystal oscillator (Quartz crystal frequency varies slightly with temperature)
Thermochromic liquid crystal - (in the strips that show different colors)
The apparent degree of dissociation of NaCl can be calculated using the formula:
i = 1 + (ΔTf)/(Kf * m),
where i is the van't Hoff factor, ΔTf is the freezing point depression, Kf is the cryoscopic constant, and m is the molality of the solution. Given the information, assuming Kf for water is 1.86 °C kg/mol and the molality is 0.5 mol/kg, you can calculate the van't Hoff factor to determine the apparent degree of dissociation.
Convert 39 degree celsius to Fahrenheit?
The Celsius to Fahrenheit conversion is: F = (C x 1.8) + 32
- F = (-39 x 1.8) + 32
- F = -70.2 + 32
- Fahrenheit = -38.2°
How many degrees F is 65 degrees C?
149 degrees. To convert Celsius to Fahrenheit, the formula is F=(9/5)C+32.
It can be calculated in a simple manner.
The formula for finding it is: V(t) = Vo + 0.61t
This formula shows that for one degree rise in temperature, the increase in velocity will be 0.61m/s
77 degrees is how many Celsius?
Start by subtracting 32 from 77. Then multiply the answer with 5 and divide by 9. In this case the answer is 25 degree Celsius.
Boiling point of iron filings?
Iron filings do not have a specific boiling point because they are composed of tiny pieces of solid iron rather than a single compound. Iron itself has a boiling point of 2750°C (4982°F). Iron filings would typically oxidize and react before reaching this temperature.
A regional metamorphic belt is divided into zones based upon?
A regional metamorphic belt is divided into zones based upon the intensity of metamorphism, with different mineral assemblages and textures characterizing each zone. This zoning reflects the temperature and pressure conditions experienced during metamorphism, with higher grade zones typically exhibiting more extensive recrystallization and mineral growth compared to lower grade zones. Additionally, the presence of index minerals can help geologists identify the specific metamorphic zone within a region.
What is the halfway point between the boiling point and the freezing point?
Accounting for water: freezing is 32 degrees and boiling is 212 degrees. The midway point would be 122 degrees Fahrenheit.
How much energy is needed to reduce water temperature from 15 degrees to 14 degrees?
1 calorie increases 1 gram of water by 1 degree celsius. 4.18 Joules are needed to increase the temperature of 1 gram of water by 1 degree celsius.
To reduce the 1 gram of water 1 degree celsius it would have to give off 1 calorie of energy.
To calculate the energy multiply the mass in grams of water by 4.18 and by the change in temperature. The energy = 4.18 x m x change in T. The answer is in Joules. If you are using calorie as the unit of energy, replace 4.18 J by 1 C.
Note that food is measured in kilocalories (Calories) not metric calories.
