Inorganic Chemistry Answers

A student mixed a cobalt cloride solution with a potassium arsenate solution a solid was observed. How many grams of solid can be formed from mixing 35.6mi. of 0.342 M cobalt chloride solution with 35.8 ml. of .251 M potassium arsenate solution? Which reactant is in excess and by how many milliliters? Which substance is the limiting reactant?

a basic solution which does not contain a metallic element

How much energy must be absorbed by a 150 g sample of ice at 0.0 degrees celcius that metls and then warms to 25.0 degrees celcius?

Yet another balloon is inflated to a volume of 434 cm3 using 0.141 moles of dry hydrogen gas. An additional
0.129 grams of hydrogen is then injected into the balloon at constant pressure and temperature. Calculate the
new volume of the balloon (in cm3).

calculate the pH of the solution formed by mixing 10.0ml of 0.15M HBr with 20.0ml of 0.25M HCl

A student weighs 2.046 g of Cu into a 250 mL beaker at the beginning of the experiment. At the end of the experiment 1.374 g Cu is recovered. Calculate the percent loss of Cu.

5. An automobile engine requires a carburetor
or fuel injector to mix the fuel with air. The fuel and air must be mixed in a particular
ratio to achieve maximum efficiency in the combustion of the fuel. What might happen
if the fuel and air mixture is too rich (if there
is too much fuel)?

what is defnation of eletron effinity

why sigma bond is stroger