Chemical Reactions
What principle states that the total mass of reactants equals the total mass of products in a reaction?
What is the conservation of mass?
Which element among Oxygen, Nitrogen, Neon, and Carbon is a noble gas?
What is Neon?
What is the primary factor that determines how quickly a chemical reaction occurs?
What is temperature?
What is the name of the substance that dissolves in a solution?
What is solute?
How does increasing temperature affect the reaction rate?
What is the reaction rate increases?
Which particles have the greatest mass: electron, proton, neutron, or both proton and neutron?
What is both proton and neutron?
What does dynamic equilibrium mean in a chemical reaction?
What is reactions happening at equal rates in both directions?
What is the pH value of a neutral solution?
What is 7?
Identify an example of a chemical change from these options: melting ice, shredding paper, burning wood, or dissolving sugar in water.
What is burning wood?
On the periodic table, how does atomic number change across a row?
What is it increases from left to right?
Increasing pressure favors the side of equilibrium that produces fewer gas molecules. True or false?
What is true (equilibrium shifts to the right)?
Boiling point of water is an example of what kind of property?
What is a physical property?
According to Le Chatelier's principle, what happens if the concentration of reactants is increased?
What is equilibrium shifts to the right?
What is the molar mass of water (H2O)?
What is 18.02 grams per mole?
If the temperature of a reaction decreases, which way does the equilibrium shift?
What is toward the reactants?
Which of these reactions is an example of a double displacement: Na+Cl2→NaCl, H2+O2→2H2O, AgNO3+NaCl→AgCl+NaNO3, or CaCO3→CaO+CO2?
What is AgNO3+NaCl→AgCl+NaNO3?
In the reaction 2H2+O2→2H2O, how many moles of water are produced from 4 moles of hydrogen?
What is 4 moles?
What compound forms when magnesium (Mg) reacts with oxygen(O)?
What is magnesium oxide (MgO)?
What role does a catalyst play in a chemical reaction?
What is it increases the rate of the reaction?
What describes a saturated solution?
What is it contains the maximum amount of solute that can dissolve at a given temperature?