According to this balanced chemical equation, what volume of C2H2 is required to form 40.0L
of CO2?

2C2H2(g) + 502(g) → 2H2O(g) + 4CO2(g)

A. 20.0L
B. 44.8L
C. 80.0L
D. 100 L

Modern weaponry has increased the number of deaths in wars and violent conflicts.

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 ?

Five different substances are given to you to be dissolved in water. which substances are most likely to undergo dissolution in water? check all that apply. view available hint(s) check all that apply. sodium fluoride, naf octane, c8h18 propanol, ch3ch2ch2oh potassium iodide, ki benzene, c6h6