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77julia77 [94]
4 years ago
8

Convert -20c to kelvin Type your answer in this format: xxx.xx

Chemistry
1 answer:
svetlana [45]4 years ago
8 0

253.15

The temperature T in degrees Celsius (°C) is equal to the temperature T in Kelvin (K) minus 273.15:

T(°C) = T(K) - 273.15

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Write the equilibrium constant expression for the reaction below.
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Kc = [H₂S]² . [CH₄] / [ H₂O]⁴ . [CS₂]

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Kc = [H₂S]² . [CH₄] / [ H₂O]⁴ . [CS₂]

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0.5mol/dm3 hydrochloric acid is added gradually to a flask containing 20cm3 of 2 mol/ dm3 sodium hydroxide solution.
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