Balance the following chemical questions

1. SnO2+H2--> Sn+H2O

2. FeS+O2--> Fe2O3+SO2

3. C2H6O+O2-->CO2+H2O

4. AgI+Na2S-->Ag2S+NaI

Determine the electron geometry, molecular geometry, and idealized bond angles for each molecule. In which cases do you expect deviations from the idealized bond angle? b. NF a. CF4 d. H2S c.

Carbohydrate metabolic enzymes bind D-glucose specifically. D-glucose has an estimated caloric value of 1 k. cal per 4 grams of carbohydrate.

Which element requires the least amount of energy to remove the outer-most electron from a gaseous atom in the ground state?

There is more than one kind of balance used in the laboratory.

What type of rock is likely to form where continental plates

What is a sedimentary rock formed from the remains of tiny sea animals.

Consider the following thermochemical equation: C (s) + O2 (g) → CO2 (g) ΔH = - 393 kJ CO (g) + ½O2 (g) → CO2 (g) ΔH =

Two colorless solutions are mixed together. Bubbles form as the solution is stirred. Give TWO possible explanations for this result.

What is a light-year? A. the distance light travels in one earth year B. the distance light travels from the sun to the earth C. the distance light travels in one orbit of the moon D. the time it takes light to travel across the universe

What's is a logical way that you could begin to investigate why your tire had low air pressure?