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Deja Nora wrote:When calculating something involving changing temperature, it is okay to leave the temperature in celsius correct?
That's correct - because change in degrees celsius is the same as the change in degrees Kelvin, you can leave the temperature in celsius. For example, if given a q=mC(delta T) problem, you can keep the T in celsius.
The change in temperature would be the same for Celsius and Kelvin (if you convert to Kelvin and calculate the difference, you'll notice it's the same as the difference in Celsius). However, if it's just temperature (such as in delta G = -RTlnK), I believe that you have to convert to whatever units the constant is in.
It usually depends on the units of Rydberg's constant as well. If you want to use an equation where Rydberg's constant is in K, which in most equations it is, make sure to convert, if not, then there is no need to convert. Therefore, always look at the units of Rydberg's constant, this is why is is always important to write out the units when solving the problem.
Changes in temperature are fine since they will be the same for kelvin and celsius. The only time when you have to worry about converting between celsius and kelvin is if the problem specifically asks for the answer in terms of one, or if you are using a constant like R in PV = NRT when R is specifically in kelvin.
Usually depends on the units in the given in the problem and what equation the problem entails in using. I usually always conver from C to K just to be safe unless it asks for it in units celsius.
i would always use the equation sheet and look at the units, especially for constants. for example, .08206 = R, R has units in L, atm, K, and mol. So, on a test you should make sure when plugging into PV=nRT, for example, to match up those units to the R constant.
It depends on the units of your other constants. If you use 8.314 j/mol*K, then you have to convert to kelvin. If you are finding the difference between them though it doesn't matter because the end result is the same number
If the question is asking for temperature and doesn't specify units you can use either celsius or kelvin. If you are doing calculations then be careful to see the units given in the constant and use kelvin or celsius accordingly
T to kelvin should only be applied when the the problem involves using constants or equations that use Kelvin instead of Temperature. In ideal gas law equations, you would use Kelvin (+273.15) if given celcsius.
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