How many mL of C2H6 at STP are needed to react with 45.0 mL of O2 at STP, according to the equation : 2C2H6 (g)+ 7O2 (g) = 4CO2 (g) + 6H2O (g)

Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot? question 7 options: the heat from the hot water is conducted through the spoon handle the hot water heats the air surrounding the upper part of the spoon. the hot water causes a physical change in the spoon handle. the hot water causes a chemical reaction to take place in the spoon.

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.

If i had 2 m naoh solution, what does the 2 m stand for? 2 molar, but 2 of a solute in 1