Actual Value = -273 Experimental Value = -274 calculate the percent error of your value for absolute zero (in Celsius) Percent error= actual value- experimental value/ actual value x100%

Determine the reaction and balance the following equations urgent due in the morning

How many atoms or molecules are there in a mole of a substance?

Before it was launched, a helium-filled balloon had a pressure of 201 kpa at a temperature of 27°c. at an altitude of 15,000 m, the pressure had decreased to 2.5 kpa and the temperature had dropped to -14 °c. the volume of the balloon increased to 59.3 m3. what is the original volume of the balloon? 13 m3 0.85 m3 0.077 m3 1.17 m3