El líquido A tiene un punto de ebullición de 70 °C y el líquido B tiene un punto de ebullición de 100°C ¿Cuál líquido se evapora primero?

Which produce would best increase the amount of heat energy that is actually gained by calorimeter b

Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?