What do you need to adjust to balance a chemical equation

In the reaction, Al2O3 + __HCl → 3H2O + 2AlCl3, what coefficient should be placed in front of HCl to balance the reaction? 1 2 3 6

Select two statements that describe how elements in the same group are similar to each other. Remember to select two answers A: Elements in the same group share the same number of valence electrons.

After being thoroughly stirred at 10.°C, which mixture is heterogenous? (1) 25.0 g of KCl and 100. g of H2O (2) 25.0 g of KNO3 and 100. g of H2O (3) 25.0 g of NaCl and 100. g of H2O (4) 25.0 g of NaNO3 and 100. g of H2O

What do we call a group that comes off of the main carbon chain

Which of these is a mixture A. salad B. water C. potassium D. sugar i think its sugar

Chemical bonding ranges from even electron sharing to total electron transfer because Select one: a. atoms on the periodic table have many different electronegativities b. some atoms can make more bonds than other atoms can c.

An atom that has the same amount of atoms of each element on both sides of the reaction obeys what law

Whats the main difference between a double replacement reaction and a single replacement

When is the absorption spectrum of an electron generated?

Use the gizmo to find the concentration of the mystery ch3cooh. use the titrant and indicator shown below perform the titration.