Which of the following elements is chemically most similar to chlorine? A) helium b) sodium c) bromine d) hydrogen

Why do liquids and gases take the shape of their containers while solids do not?

Aqueous sodium hydroxide was mixed with aqueous zinc (ii) nitrate, and a crystallized zinc (ii) hydroxide product was formed. consider the other product and its phase, and then write the balanced molecular equation for this precipitation reaction

What would happen if you add more solute to saturated solution

What is the main purpose of using NaOH in the saponification reaction. NaOH works as the catalyst b. NaOH solution is the solvent for the reaction c. NaOH acts as a reactant in the reaction d. NaOH facilitates the soap to salt out from the solution

Why is it important to have long term measurements when studying ecosystems

A design team has come out with four different plans for building a bridge across a small stream. What is the quickest and most economical way of picking the right plan?

Is a gas that is produced by the ultraviolet radiation in the air in the vicinity of welding operations?

How much MnO2 (s) should be added to excess HCl (aq) to obtain 295 mL of Cl2 (g) at 25 °C and 735 Torr?

Why do people describe water as a universal solvent

What is litmus paper used for? To indicate if all the reactants have been used up to determine if a chemical reaction has occurred to determine pH to detect the presence of water