Chemical Reactions

Front

Coefficient

Back

The large number to the left of a formula.

Front

Balance this equation:
_Mg + _Cl₂ --> _MgCl₂

Back

already balanced

Front

How many atoms of aluminum are on each side of the equation: 4Al + 3O₂ --> 2Al₂O₃?

Back

4

Front

The blue numbers in the image below represent ________

Back

subscripts

Front

Number of H in 3(NH₄)₂CrO₄

Back

24

Front

How many Elements are in the compound C₂H₈O ?

Back

3

Front

Which side of a chemical equation is the product side?

Back

Right (after the yields sign)

Front

Balance this equation
_N₂ + _H₂ --> _NH₃

Back

1,3,2

Front

What term is given to a reaction which transfers heat energy to the surroundings?

Back

Exothermic

Front

When barium hydroxide and ammonium chloride react, the temperature of the mixture decreases. What kind of reaction is this?

Back

Endothermic