Author: Anonymous

Use the Lewis dot structure (make sure you show all electron pairs) and VSEPR theory to predict which of the following molecules is polar?

Use the values of electronegativities to list the following bonds in order of decreasing polarity (from most polar to least polar):  C-H, F-H, N-H, O-H.

Consider the following reaction: 2 C2H6(g) + 7 O2(g) → 4 CO2(g) + 6 H2O(g)Calculate the volume of CO2 produced when 80.0 L of O2 completely reacts with excess C2H6 at STP.

What is the electron configuration of Al 3+ ?

What is the Fahrenheit equivalent of a temperature of 525.0°C.?

Sodium azide is best known as the chemical found in automobile airbags. In the reaction 2NaN3 → 2Na + 3 N2[65.01] [22.99] [28.02] how many moles of nitrogen will be produced when 35.0 g of NaN3 reacted? Molar masses are shown in the brackets below the substances.

What is the term for a reaction that proceeds by releasing heat energy? N2(g)+ 3H2(g) →2NH3(g) + 92 KJ

What is the molecular shape of CH4?

What is the molar mass of aluminum sulfate, Al2(SO4)3?

What is the coefficient for H2 when the equation is properly balanced (simplest whole number ratio)?__ Al + __ H2SO4 → __ H2 + __ Al2(SO4)3?