A sample of 0.0550 g aluminum metal reacted with excess 6.0 M HCl. The following data was obtained when the hydrogen gas was collected in a gas collection tube over water.
2AI + 6HCI → 2AICI3+ 3H2

Volume of H, gas collected in gas measuring tube 79.55 ml
Height of water column in the gas measuring tube 5.31 cm
Barometric reading 75.58 cm Hg
H2 temperature 21.0 o C
Vapor pressure of water 26.2 torr
The density of Hg = 13.6 g/mL
Calculate the experimental molar volume at STP.

Ethanol (c2h5oh) is produced from the fermentation of sucrose in the presence of enzymes. c12h22o11(aq) + h2o(g) 4 c2h5oh(l) + 4 co2(g) determine the theoretical yield and the percent yields of ethanol if 680. g sucrose undergoes fermentation and 326.5 g ethanol is obtained. theoretical _ g _ percent %

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

What is the molar mass of potassium nitrate, kno3