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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 83 Fahrenheit converted to celsius?
83 Fahrenheit is equal to 28.33 degrees Celsius when converted using the formula: C = (F - 32) * 5/9.
What is the melting point for lactose crystal?
The melting point for lactose crystal is approximately 202-207°C (396-405°F).
How much is 15 degrees Celsius in kalvins?
15 degrees Celsius is equal to 288.15 Kelvin. You can convert Celsius to Kelvin by adding 273.15 to the Celsius value.
Why is the Celsius temperature scale NOT a metric measurement?
The Celsius temperature scale is based on the metric system because its unit of measurement, the degree Celsius, is derived from the metric system. It is used in scientific contexts alongside other metric units. The Celsius scale is divided into 100 equal parts between the freezing and boiling points of water, making it a convenient and systematic way to measure temperature.
How many degrees is 480 Celsius in Fahrenheit?
480 C = 32 + 480 x 9/5 F = 32 + 96x9 F = 32 + 1134 F = 1166 Fahrenheit
Why can't you rely on your 5 senses to measure temperature?
Your senses can be unreliable for measuring temperature because they are subjective and can be influenced by factors such as personal comfort levels, external conditions, or prior experiences. A thermometer provides a more accurate and objective measurement of temperature by detecting changes in thermal properties that are not perceptible to the human senses.
What is 180 Fahrenheit converted into Celsius?
180 degrees Fahrenheit is equal to 82.22 degrees Celsius.
What causes a temperature of 91 degrees?
A temperature of 91 degrees Fahrenheit can be caused by a combination of factors, including weather conditions like high pressure systems or heat waves, exposure to direct sunlight, and limited air circulation. It can also be influenced by global climate patterns and local geography.
What is 56 degrees Fahrenheit in celciu?
56 degrees Fahrenheit is approximately 13.33 degrees Celsius. You can convert Fahrenheit to Celsius by subtracting 32, then multiplying by 5/9.
What state is ice at at 25 degrees Celsius?
Ice at 25oC can NOT exist because it is far above freezing/melting temperature.
For example, at atmospheric pressure and 25 degrees Celsius, water exists in its liquid state.
Ice is the solid state of water, freezing at 0 degrees Celsius at normal pressure.
However, to identify the state of ice (or water), one needs to know both the temperature and the pressure. With those two 'coordinates' one can use an equilibrium diagram to look up the answer. (cf. 'Related links)
Is catalase destroyed at 30 degrees Celsius?
Catalase is not typically destroyed at 30 degrees Celsius but its activity may decrease compared to its optimal temperature which is around 37 degrees Celsius. The enzyme may denature at higher temperatures.
What does Fahrenheit freeze at?
On the Fahrenheit scale, the freezing point of water is 32 degrees Fahrenheit (°F) and the boiling point 212 °F (at standard atmospheric pressure), placing the boiling and freezing points of water exactly 180 degrees apart.
What has a flash point below 100 degrees?
Ethanol has a flash point below 100 degrees Fahrenheit, making it highly flammable. It is important to handle ethanol with caution and store it safely due to its low flash point.
What is the Kelvin plank statement?
The Kelvin-Planck statement is a principle in thermodynamics that states it is impossible to construct a heat engine that operates in a cycle and produces no other effect besides the extraction of heat from a single reservoir and the performance of an equivalent amount of work. In simpler terms, it is not possible to have a perfect heat engine that converts all input heat into work without any waste.
How many BTU will it take to change 10 pounds of ice at 20 degrees to steam at 220 degrees?
To change 10 pounds of ice at 20 degrees Fahrenheit to steam at 220 degrees Fahrenheit, you need to supply enough energy to first melt the ice, then heat the water to the boiling point, and finally convert it to steam. This process requires approximately 180 BTUs per pound of ice to melt it, 180 BTUs per pound of water to heat it to the boiling point, and then 970 BTUs per pound of water to convert it to steam. So, for 10 pounds of ice, the total BTUs required would be around 18,300 BTUs.
How did William Thomson come up with the kelvin scale?
William Thomson, also known as Lord Kelvin, developed the Kelvin scale by proposing an absolute temperature scale based on the concept of absolute zero, where all thermal motion ceases. He defined the scale based on the properties of ideal gases and set the zero point at -273.15 degrees Celsius.
How can answer this 225 Fahrenheit Celsius?
To convert 225 Fahrenheit to Celsius, subtract 32 from the Fahrenheit value and then multiply the result by 5/9. In this case, (225 - 32) * 5/9 = 107.22 Celsius.
How much colder is Fahrenheit than celsius?
The Fahrenheit and Celsius scales are the same at -40°. However, for every change of 5°C, there is a change of 9°F. So counting up from -40°,...
- -35° C = -31° F
- -30° C = -22° F
- -25° C = -13° F
- -20° C = -4° F
- -15° C = 5° F
- -10° C = 14° F
- -5° C = 23° F
- 0° C = 32° F
- 5° C = 41° F
- 10° C = 50° F
- 15° C = 59° F
- 20° C = 68° F
- 25° C = 77° F
- 30° C = 86° F
- 35° C = 95° F
- 40° C = 104° F
- 45° C = 113° F
- 50° C = 122° F
How many degrees celsius is seven below zero Fahrenheit?
Seven degrees below zero Fahrenheit is equivalent to approximately -21 degrees Celsius.
q(joules) = mass * specific heat * change in temperature
q = (500 grams H2O)(4.180 J/goC)(100o C - 20o C)
= 1.7 X 105 joules
================add this much heat energy to the water
39 degrees Fahrenheit is approximately equal to 3.9 degrees Celsius.
