Blog

What is the correct formula for the ionic compound containing aluminum ion and bicarbonate ion?   Show the individual ions first with their charges.  To show superscripts, use the T2 function in the tool bar. Then show the formula for the ionic compound.  To show subscripts, use the drop down next to T2 in order to get to T2 function on the tool bar. 2 Ion formulas = 2 pts Compound formula = 1 pt  

Select ALL the statements that are false:

When the Lewis structure is drawn for SeO2, what is around the central atom?

What is the volume of 6.00 M nitric acid that contains 6.302 g of HNO3 solute (63.02 g/mol)?

Which one of the following statements is FALSE concerning gases?

A sample of nitrogen gas occupies 600.0 mL at 781 mm Hg and 

This is a BONUS question worth 4 points.   Convert 446 K to oF.   Show your math setup with answer.  An answer only will NOT receive full credit. You may choose to use the equation editor (xx  ).  Click on the three vertical dots to find it in the tool bar. Express answer using significant figure rules. Math setup = 3 pts Answer  = 1 pt (0.5 pt for sf)

What is the bond angle found in the trigonal pyramidal shape?

Match the following terms to their examples:

Bonus Question worth 3 points. Predict the physical state of ammonia at -50°C (Mp = -77°C, Bp = -33°C) and normal atmospheric pressure.