Often on a topographic map, every fifth contour line is darkened. What is this line called?

Table sugar is not a mineral because?

Methyl orange (hmo) is an acid-base indicator. its two forms in solution are hmo (red) and mo - (yellow). when hmo is added to distilled water, the solution is yellow. how would you turn the solution red?

Given the system at equilibrium: 2POCl3 (g) + energy 2PCl3 (g) + O2 (g) Which changes occur when O2 (g) is added tothis system? (1) The equilibrium shifts to the right and the concentration of PCl3 (g) increases.

A reaction requires 15.0 g of ammonium chloride. What volumeof a 14% solution of NH4Cl which has a density of 1.04g/cm3 is needed to supply the 15.0 g ofNH4Cl?

What is the poH of a 4.5 x 10-3 M OH solution?

Why do you need a balanced equation for stoichiometry?

The density of gold is 19.3 g/cm3. What is the volume of a 13 g gold nugget?

Glucose, C6H12O6, C6H12O6, is used as an energy source by the human body. The overall reaction in the body is described by the equation C6H12O6 (aq) 6O2 (g) ⟶6CO2 (g) 6H2O (l) C6H12O6 (aq) 6O2 (g) ⟶6CO2 (g) 6H2O (l) Calculate the number of grams of

Which two bases pair with each other?

What is the main cause of increased erosion