UNIT 1
Between a physical change and chemical change, it's of change that occurs with ice melts
What is a physical change?
It is the element with the abbreviation "Cu"
What is copper?
What is SO42-?
When 1g of sodium chloride is dissolved in 4g of water, it is the mass percent of salt in water
What is 20%?
It is the process of determining an unknown concentration of an acid using a known concentration of a base.
What is a titration?
It's the number of milliliters in one liter
What is 1000?
It is the number of protons in one atom of nitrogen.
What is 7?
It is the name of the following compound:
CaO
What is calcium oxide?
It is the type of reaction in the following example:
Cl2O2 (g) --> Cl2 (g) + O2 (g)
What is decomposition?
It is the number to add to degrees celsius to convert to Kelvin.
What is 273?
It's the number of significant figures in 10.01
What is 4?
It is the elemental symbol for Mercury.
What is Hg?
It is the name of the following compound:
N2Cl4
What is dinitrogen tetrachloride?
In the following reaction, when balanced, what is the coefficient in from of chlorine gas?
__ AlCl3 (aq) --> ___ Al (s) + _?_ Cl2 (g)
What is three?
It is the piece of equipment that is used to deliver the titrant during a titration.
If the density of lead is 12 gram/mL, it is the weight of 3 milliliters of lead.
It is the element with the electron configuration of 1s22s22p2
What is carbon?
It is the name of this compound:
Ti(OH)4
What is titanium (IV) hydroxide?
It is the type of reaction seen in the following example:
CH4 (g) + 2 O2 (g) --> CO2 (g) + 2 H2O (g)
What is combustion?
Between Acid A and Acid B it is the stronger acid:
Acid A = pH 3
Acid B = pH 5
What is Acid A?
In the math equation 14.56g/10mL it is the number of sig figs in the final answer.
What is one?
It is the number of electrons in F-.
What is ten?
It is the diatomic homonuclear gas that has a molar mass of 32 g/mol
What is oxygen?
It is the percent yield in a reaction where theoretically you should've obtained 3.0g, but actually obtained 1.0g.
What is 33%?
According to Gas Laws, it is what happens to the pressure of gas (held at constant volume) as temperature decreases.
What is decrease?