Chemical Reactions
Stoichiometry
Aqueous Solutions
Thermo/Redox
Random
100

To determine the subscripts of an ionic compound you must balance the what? 

Charges!

100

How do you determine the limiting reactant?

Determine which reactant makes less product 

100

A compound that produces H+ ions in solution

Acid

100

Heat of combustion is -215kJ. Is this reaction gaining or losing energy?

losing energy 

100

The concentration of solute in an amount of solvent

Molarity 

200
Write and balance the reaction of aluminum with iron (I) carbonate.

2 Al +3  Fe2CO3 --> 6 Fe + Al2(CO3)3

200

When changing between any unit of one compound in an equation to a different compound you need to go through this unit! 

Moles!

200

NaOH is an example of this type of compound

Base

200

Breaking bonds always ______ energy 

requires

200

In a titration the standard solution is known or unknown concentration?

Known

300

Combustion always uses ____ and produces _____ and ____ 

Oxygen (O2)  CO2 and H2O

300
What mass of solid silver is produced if 25.0 mL of 0.150 M silver nitrate solution reacts with excess copper metal? 

Cu + 2 AgNO3 --> Cu(NO3)2 + 2 Ag

0.405 g

300

Write and balance the chemical equation for the neutralization of H2SO4 with KOH.

H2SO4 + 2 KOH --> 2 H2O + K2SO4

300

Bleach takes electrons from a stain. The bleach is being ________ed and is the ___________er. 

reduced, oxidizer

300

If the reactants contain more chemical energy than the products, the reaction is ____thermic

Exo

400

What type of reaction is hydrogen peroxide splitting into hydrogen and oxygen?

Decomposition

400

What is the expected yield of solid lead(II) iodide formed when 1.16 g of KI is mixed with 25 mL of 0.150 M Pb(NO3)2?

1.61 g PbI2

400

The unknown concentration compound in a titration is known as ____ or ______ 

titrand, analyte
400
If enthalpy in kJ is written with the reactants, the reaction is endo or exothermic?

endothermic 

400

The titrant goes where in a titration?

Buret

500

Why do we have to balance chemical equations?

Conservation of matter/mass
500

A copper wire is dipped into 250. mL of a 0.500 M solution of AgNO3. The following single-replacement reaction occurs. Cu +2 AgNO3 → Cu(NO3)2 +2 Ag Assuming all of the dissolved AgNO3 reacts, what mass of the copper wire is consumed?

3.97 g

500

33mL of 3.0M hydrochloric acid is used to titrate 21.6mL of sodium hydroxide to form water and sodium chloride. What is the molarity of the sodium hydroxide?

4.6 M

500

Decomposition of baking soda is as follows:

2 NaHCO3 + 129 kJ → Na2CO3 + H2O  + CO2

How much energy is absorbed or released when 10. g of baking soda are decomposed?

7.7 kJ

500

The molar mass of aluminum sulfate to 3 SFs. Include appropriate units!

342 g/mol Al2(SO4)3

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