What is the atomic mass of iron

What is the pH of a solution where 250 mL of 0.50 M NaOH is completely neutralized by 175mL of HCl? What are the final concentrations of all ions?

Cavendish carried out a second experiment to test the properties of the hydrogen gas produced in the experiment. Was this experiment also a chemical reaction? Explain.

The condensation temperature of a material is the temperature at which the material makes a transition between being a vapor and being a solid. Three of the most important materials in the early solar nebula were water vapor, iron, and hydrogen.

Which of the following statements is true? Ca does not react with other atoms because it has 8 electrons in its outermost shell. Mg does not react with other atoms because its outermost shell is complete.

What would the pressure be if the can were heated to 1270∘C?

If you are given only the mass number of neutrons, how do we find an atomic number?

You need to make an aqueous solution of 0.223 M barium bromide for an experiment in the lab, using a 250 mL volumetric flask. How much solid barium bromide should you add?

What is wosutah unsrcambled

How many moles of al2o3 are formed when 0.78 mol o2 reacts with aluminum?

The dissociation of a weak electrolyte is suppressed when