Only helium is a gas at this temperature.
It is 260 deg C.
There are thousands of substances which are gas at 20 deg C.
There are thousands of substances that are solid at 50 deg C
126 deg F = 52.2 deg Celsius.
-47 deg F = -43.88... deg Celsius (not celcius).
101.9 deg Fahrenheit = 38.833.. deg Celsius
120 deg K = -153.15 deg Celsius.
1000 deg Celsius = 1273.15 deg Kelvin
27 deg Celsius = 80.6 deg Fahrenheit.
75 deg F = 23.888... deg Celsius.
57.583 deg Celsius = 135.65 deg Fahrenheit.
650 deg Celsius = 1202 deg Fahrenheit.