What is a system of knowledge and the methods of find that knowledge

What mass of MgCl2 was produced from 5.87 of Mg (OH) 2 reacting with 12.84 g of HCl? Identify the limiting and the excess reactants.

Which substances will make a salt when combined? Vinegar and antacids Soda and wine Soap and ammonia Fertilizer and detergent

Which of the following is not an example of a biological polymer a) blood serum's b) saliva's amylase c) table sugar (sucrose) d) glycerol

Why do atoms of elements bond with each other?

Which statement is the most appropriate conclusion for David to write? Increasing temperature had an effect on fermentation rate. The yeast in lukewarm water had a faster rate of fermentation than the yeast in room temperature water.

Least reactive element of period 3

A chemical formula shows the kind and number of Atoms that form a what? compound, mixture, solution, or suspension

What gas was used as a deadly posiosn in world war 1?

Four moles of hydrogen chloride (HCl) gas react with one mole of oxygen (O2) gas to produce two moles of chlorine gas (Cl2) and two moles of water gas (H2O).

what noble gas electron configuration is achieved by the bromine atoms in a molecule of BR2, a diatomic element?