Author: Anonymous

How much heat is required to raise the temperature of [m] grams of water by [T] °C?   Swater = 4.184 J/goC   q =  _____________ kJ.        Report the heat in kJ units and to 1 dec. pt

An [x]  g sample of the unknown material is heated to [y] oC and immersed in a calorimeter containing [z] mL of water at  15oC.  The system reaches a final temperature of [tf] oC.  Calculate the Specific Heat of the metal. Report value on Canvas  to 3 dec. places.  Do not include units For full credit, show your work on a separate piece of paper and uploaded to Canvas. Include the units.

How many atoms in this molecule have linear molecular geometry?

What is the electronic geometry around the central atom in CO2?

Which of the following statements about the water molecule is TRUE?

An [x]  g sample of the unknown material is heated to [y] oC and immersed in a calorimeter containing [z] mL of water at  15oC.  The system reaches a final temperature of [tf] oC.  Calculate the Specific Heat of the metal. Report value on Canvas  to 3 dec. places.  Do not include units For full credit, show your work on a separate piece of paper and uploaded to Canvas. Include the units.

From the following list of substances and heat capacities, choose the one that will have the lowest temperature after absorbing 100.0 kJ of heat. Assume identical masses of each substance start at the same initial temperature.

The fuel value of propane is 50.3 kJ/g.  If a full barbecue grill tank holds [x] kg, how much heat results from the complete combustion of all the propane?  q= ________________ kJ.   Report value in kJ units and to 6 sig.figs.

How many atoms in this molecule have the following molecular geometry: a)  tetrahedral  [t] b) linear [l] c) trigonal planar [tp] d) trigonal pyramidal [tpy] e) bent  [b]    

The dissolving of sodium acetate (NaC2H3O2 = 82.04 g/mol) in water can be described by the following:   NaC2H3O2 (s)