If 14.0 grams of C2H4 and 155 grams of O2 are reacted in the balanced equation below and 38.0 grams of CO2 is collected, calculate the percent yield of carbon dioxide ? C2H4 + 3 O2 2 CO2 + 2 H2O

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull

Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?