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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 Boiling point of methanol in Fahrenheit and Celsius?
Methanol has the following boiling points: 64.7°C, 338K and 148°F
What level of measurement is temperature?
Temperature is typically measured on an interval scale, as it has equal intervals between each level but does not have a true zero point. However, in some contexts (such as in Kelvin scale), temperature can be considered a ratio scale where absolute zero represents a true zero point.
How many kWh to heat a 150 liter geyser to 65 degrees centigrade?
To calculate the energy required to heat the geyser, you can use the formula:
Energy (kWh) = Volume (liters) x Temperature rise (degrees Celsius) x 4.18 (specific heat capacity of water) / 3600
Plugging in the values, the calculation would be: 150 liters x 65 degrees x 4.18 / 3600 = approximately 30.45 kWh.
Because kelvin temperature has a simple relationship with volume, according to Charles's' law if the kelvin temperature becomes doubled at constant pressure the volume of the gas also becomes doubled, this relation is not with Celsius or Fahrenheit temperature.
What is 110 degrees celsius equal to in Fahrenheit?
110 degrees Celsius is equal to 230 degrees Fahrenheit.
What do Canadians use to measure temperature?
Canadians typically use the Celsius scale to measure temperature. This scale is based on water's freezing point at 0 degrees and boiling point at 100 degrees.
What happens to water at 82 degrees?
At 82 degrees Fahrenheit, water is in a liquid state. It is neither freezing nor boiling, but rather in between.
What is 55 Celsius to Fahrenheit?
55 degrees Celsius = 131 degrees Fahrenheit
Formula: [°F] = [°C] × 1.8 + 32
To convert Fahrenheit to Celsius, you can use the formula: Celsius = (Fahrenheit - 32) x 5/9.
So, if you have 325°F: Celsius = (325 - 32) x 5/9 Celsius = 162.78°C.
How long to heat 50 liters of water at 20 degrees Celsius to 60 degrees Celsius with 5400 watts?
To answer this one need to know the specific heat capacity of water, which is usually quoted as 4.2 J/kg/K. It's not actually a constant, but from 20 to 60 degrees at atospheric pressure, it's good enough.
So 4.2 J/kg/K.
K first. 60 deg - 20 deg = 40 deg difference. The increments of degrees and kelvins are the same, so that's also 40 K.
Now kg. 50 litres is a lot of water. Not coincidentally, 1l has a mass of 1kg. So 50kg.
4.2J? Well we can pump is 5400 W, which is 5400 J/s.
Now the maths...
4.2 J/kg/K... we have 50 kg
50 kg * 4.2 J/kg/K = 210 J/K
210 J/k... OK, but we have 40 of them kelvin things...
210 J/K * 40 K = 8400 J
8400 J.... and we have 5400 J/s at our disposal
8400 J / 5400 J/s = 1.6s
1.6 s
Pretty quick. In real life you'd be hard pressed to come close to this. You'd expect some inefficiencies. Time how long it takes for your kettle to boil one litre of water and then see how long it should have taken using the power rating on the base of the kettle. Without looking at your kettle, maybe double?
What raises one gram of water one degree Celsius?
One calorie of heat energy raises one gram of water one degree Celsius.
What is 1000 degrees in Fahrenheit to Celsius?
1000 degrees Fahrenheit is equal to approximately 537.78 degrees Celsius.
102.6°F = 39.2°C (102.6°F - 32) multiplied by 5/9 = 39.2°C
What is the temperature of water in Celsius?
Water does not have a specific temperature. Its freezing point is 0 degrees Celcius and its boiling point in Celcius is 100 degrees.
What is negative 50 degrees celsius?
Negative 50 degrees Celsius is a very cold temperature, indicating that it is below freezing. It is equivalent to -58 degrees Fahrenheit.
Is -30 Celsius warmer than -30 f?
No, -30 Celsius is the same as -30 Fahrenheit. Both temperatures represent the same point on different temperature scales, so they are equivalent.
Why are the summers in Barcelona Spain hot and dry?
Barcelona experiences hot and dry summers due to its Mediterranean climate, which is characterized by warm temperatures and low precipitation during the summer months. The city's proximity to the Mediterranean Sea also contributes to its hot weather, as the sea helps to retain heat and create warmer conditions. Additionally, high-pressure systems often dominate the region during the summer, resulting in dry and stable weather patterns.
Why does water evaporates faster at 100 degree Celsius than 200 degree Celsius?
Water evaporates faster at 100 degrees Celsius compared to 200 degrees Celsius because at 100 degrees Celsius, water reaches its boiling point and undergoes a phase change from liquid to gas. At 200 degrees Celsius, water is already in the vapor state, so there is no further evaporation taking place.
What does -161 degrees Celsius equal in Fahrenheit?
-161 degrees Celsius is equal to -257.8 degrees Fahrenheit.
The specific heat capacity of aluminum is 0.897 J/g°C. The heat required can be calculated using the formula Q = mcΔT, where Q is the heat energy, m is the mass, c is the specific heat capacity, and ΔT is the change in temperature. Plugging in the values, you can calculate how much heat is required.
