3CuCl (aq) + (NH4)3PO4 (aq) ---> 3NH4Cl (aq) + Cu3PO4 (s) How many grams of copper (I) phosphate precipitate will form if 0.500 g of copper (I) chloride react with an excess of ammonium phosphate?
a.5.000 g
b.0.167 g
c.1.500 g
d.0.481 g

How many moles of copper (I) phosphate will form if an excess of ammonium phosphate reacts with nine moles of copper (I) chloride?
a.9 mol
b.1 mol
c.3 mol
d.27 mol

Which statement describes how phase changes can be diagrammed as a substance is heated? the phase is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the phase is on the x-axis. the time is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the time is on the x-axis.

Predict whether the changes in enthalpy, entropy, and free energy will be positive or negative for the boiling of water, and explain your predictions. how does temperature affect the spontaneity of this process?

Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next