Which of these equations is balanced? (neither and both are an option)

a. 3 H2SO4 + 2Al → Al2 (SO4) 3 + 3H2

b. 2KCl + Pb (NO3) 2 → 2KNO3 + PbCl2

What what is the equation for percent error

Apply the ideal gas law to solve problems Question A sample of gas that contains 21.0 moles at a pressure of 78.0 atm with a temperature of 900. Khas what volume? • Use R = 0.08206 La for the gas constant.

A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains of water at. During the reaction of heat flows out of the bath and into the flask. Calculate the new temperature of the water bath.

What forces act between molecules in a molecular compound and formula units in an ionic compound?

The difference in elevation between the highest and lowest contour lines on a topographical map is called: a. contour interval c. relief interval b. relief d. contour index

The out side t layer is the linnets layer in the earth

What job can you do without going to college?

Which planet has no atmosphere which prevents erosion?

Why must you wear safety glasses at all times

How do you classify solutions as acidic, basic, or neutral?