Đốt cháy hoàn toàn m(g) hỗn hợp A gồm vinyl fomat, ancol metylic và 2,3-đihiđroxylbutanal (trong đó số mol của vinyl fomat và ancol etylic bằng nhau) thì thu được 52,8gam CO2. Giá trị của m là

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.

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