Is this a balanced chemical equation: Na2SO3 + H2SO4=Na2SO4 + H2O + 2SO2

1. After clamping a buret to a ring stand, you notice that the set-up is tippy and unstable. What should you do to stabilize the set-up? A. Move the buret clamp to a ring stand with a larger base. B.

In a double replacement reaction copper (II) chloride combines with sodium nitrate. When a student combines 3 grams of copper (II) chloride react with 4 grams of sodium nitrate, how much sodium chloride is produced?

In drawing a lewis structure each nonmetal atom except hydrogen should be surrounded by

A solution is 40.0% by volume benzene (C6H6) in carbon tetrachloride at 20C. The vapor pressure of pure benzene at this temperature is 74.61 mmHg and its density is 0.87865 g/cm3; the vapor pressure of pure carbon tetrachloride is 91.

Static electricity is the buildup of electric charges in

The flow of energy in an ecosystem is the best described as energy moving in

Which bond other than the c-c bond is the least polar in the molecule?

The warmest temp ever measured in the us is 134 degrees F. Convert that temp to C and K

Compared to the oceanic crust the continental crust is usually

What is the study of matter called? O A. Chemistry O B. Philosophy O O C. Biology D. Physics