This process involves the conversion of a nucleus into a lighter nucleus, resulting in a release of energy?
Nuclear Fission
Calculate the number of oxygen atoms (O) in 3 moles of water (H2O).
3 moles H2O × 2 oxygen atoms/mole = 6 oxygen atoms
what two types effects of pressure on a system at equilibrium
Volume change,Phase changes,Equilibrium shifts,Solubility changes, Phase behavior, Adsorption and desorption, Surface tension
What happens to the mass of a system during a chemical reaction?
Its stay the same
if got right double points
signs of a chemical reaction
This type of radiation is a high-energy particle that is emitted from the nucleus of an atom?
Beta Particle
In the reaction: CaO + H2O → Ca(OH)2, what is the mole ratio of calcium oxide (CaO) to calcium hydroxide (Ca(OH)2)?
1:1
The effects of temperature change on a system at equilibrium?
Changes in temperature alter the equilibrium constant and reaction rate.
How do you find the molar mass of each part in a chemical reaction?
Multiplying it by how many of each element are in the molecule on the periodic table
what is Double displacement
when two ions of different elements swap partners
This phenomenon occurs when an unstable nucleus emits radiation to become more stable ?
Radioactive Decay
If 5 moles of hydrogen gas (H2) react with 5 moles of oxygen gas (O2), how many moles of water (H2O) will be formed?
10 moles of water (H2O) will be formed.
3 ways to increase product formation
Increase temperature, concentration of reactants, Add a catalyst
This type of problem involves calculating the amount of a substance needed to react with another substance.
What is a stoichiometry problem
what's double displacement patterns
A+X (and B+Y) → AB (and XY)
This type of reaction involves the combination of two or more nuclei to form a single, heavier nucleus?
Nuclear Fusion reactions
if got right double points
If 10 grams of methane (CH4) react with 20 grams of oxygen gas (O2), how many grams of carbon dioxide (CO2) will be formed?
27.5 grams of carbon dioxide
What is the difference between reactions that go to completion (like burning paper) vs a reaction that is at equilibrium?
Completion reactions involve irreversible changes, while equilibrium reactions are reversible.
The sum of the atoms in a molecule is equal to this number.
What is the atomic mass
what is this?
Erlenmeyer flask
if got right double points
which one makes the most energy nuclear reactions or chemical reactions
Nuclear reactions release enormous amounts of energy,
In the reaction: 2Al + Fe2O3 → 2Fe + Al2O3, what is the mole ratio of aluminum (Al) to iron(III) oxide (Fe2O3)?
2:1
if got right double points
What is Le Chatelier’s Principle
When a system is disturbed, it adjusts to regain equilibrium.
if got right Double points
What is the term for the amount of a substance that is produced in a chemical reaction?
product stoichiometry
what's four parts of HONClBrIF
seven elements are hydrogen (H), oxygen (O), nitrogen (N), chlorine (Cl), bromine (Br), idoine (I), and fluorine (F).