A sample of gas is at 15℃ and has a volume of 2.75 L. Assuming constant pressure, what volume will this gas occupy at 30℃? What law is this? What is the relationship between volume and temperature in this specific situation?

Based on the equation and the information in the table, what is the enthalpy of the reaction?

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process

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