Chemical Reactions
In a chemical reaction the substances to the right of the arrow are called this/these?
What is/are products?
List five types of chemical reactions that do not explicitly involve an acid.
What is Synthesis, Decomposition, Combustion, Single Replacement, Double Replacement
(PO4)3-
What is phosphate?
When balancing an equation, these numbers can be changed.
What is a coefficents?
This type of reaction has one compound breaks down and forms two or more substances
What is a decomposition reaction?
Polish-born French physicist, famous for her work on radioactivity and twice a winner of the Nobel Prize.
Who is Marie Curie?
What is the evidence of a chemical change in fireworks
what is energy release (light, heat) odor, color change, and sound.
What is the total number of atoms in
2Ca(OHBr)2
14
According to the Law of Conservation of Matter, if you have 4.5 g of reactant, how many grams of product should you have?
What is 4.5 g.
What type of reaction is this?
A+BC -> AC + B
Single Replacement
State the Law of Conservation of Matter.
What is that matter can not be created nor destroyed, just rearranged
Nuclear reaction in which an atom is hit by neutrons and split
What is nuclear fission?
A hydrocarbon will combine with oxygen and in the process, give off energy in the form of light and heat to produce carbon dioxide and water.
What is combustion?
a process that rearranges the atoms in one or more substances into one or more new substances
what is a chemical reaction
Balance the equation:
When aluminum chloride decomposes into aluminum and chlorine.
AlCl3 → Al + Cl2
2AlCl3 → 2Al + 3Cl2
In a complete combustion reaction, what is always produced?
What are CO2 and H2O?
A molecule consisting of two atoms is called?
Ex: O2 or H2
What is diatomic?
Daughter isotope when cesium-137 undergoes beta decay
What is barium-137?
When balancing an equation, these numbers can not be changed.
What is a subscript?
What type of reaction is this an example of:
A + B → AB?
What is a synthesis reaction?
The general products of a neutralisation reaction.
What are an acid and a base?
The reaction 2HgO → 2Hg + O is an example of this type of reaction.
What is decomposition?
AgNO3(aq) + NaCl(aq) → AgCl(s) + NaNO3(aq)
is an example of this type of reaction.
What is an example of a double replacement reaction?
Charge on gamma radiation
What is neutral or zero?
The number of oxygen atoms: Al2(CO3)3
What is 9 oxygen atoms
In the formula 5CaSO4, this is the number of oxygen atoms.
What is 20?
Nitrogen gas and hydrogen gas are mixed together to form ammonia (NH3). Classify.
What is synthesis?
N2 + 3 H2 → 2 NH3
A reaction that releases energy
This is what speeds up a chemical reaction by lowering the activation energy required.
What is a catalyst?
After 70 days, the number of half-lives of Argon-37 (half life is 35 days) that have elapsed.
What is 2?