Hodgepodge
The pH of a 1 x 10-4 M solution of HBr
What is 4
The types of elements that form an Ionic Compound. The types of elements that form a Covalent Compound
Ionic Compound - Metal and Non-Metal
Covalent Compound - Non-Metal and Non-Metal
What do you call the substances that you get out of a chemical reaction?
Products
Temperature unit for gas law calculations
What is ALWAYS Kelvin?
How many grams are in 6.02 x 1023 atoms of Lead?
207 g
The gift tag is, specifically is
To: coefficient of the unknown/coefficient of the given
The coefficients when the following reaction is balanced?
C2H6 + O2 --> CO2 + H2O
What are: 2, 7,4,6
With respect to electrons, what is the difference between an Ionic and Covalent Bond.
Ionic - Electrons are Transferred
Covalent - Electrons are Shared.
How we know how many moles of a substance are in a chemical reaction.
What is the coefficient
As temperature increases the volume....
what is Increases as well
The empirical formula of benzene, C6H6.
What is CH?
True or False: the equation does not need to be balanced
FALSE! Always start with a balanced chemical equation.
List the acid, base, conjugate acid and conjugate base in the following reaction.
NH3 + H2O --> NH4+ + H3O+
Base, acid, conjugate acid, conjugate base
The two types of ions and how they are formed.
What are cations, lose electrons and anions gain electrons?
How do we know how many molecules are in a chemical formula?
The Coefficient
The new volume of a gas that has a pressure of 565 torr when originally the volume was 235 mL and the pressure was 970. torr.
What is 403 mL?
How many moles is 40 grams of Carbon Dioxide?
.91 Grams of Carbon Dioxide
Solve this question:
How many moles of Oxygen are formed when 4 moles of KClO3 decompose?
2 KClO3 --> 2 KCl + 3O2
WHat is 6 moles oxygen
a substance is 25%H and 75%C, what is it's empirical formula?
What is CH4
Draw the Lewis dot diagram for Na2O.
Each Na gives its once valence electron to oxygen to give each a stable octet. Here's a link that goes through this topic and has a picture if you scroll down.
https://saylordotorg.github.io/text_introductory-chemistry/s13-02-electron-transfer-ionic-bonds.html
List the coefficients needed in the following reaction to balance it.
KClO3 --> KCl + O2
What is 2,2,3?
Rearrange the ideal gas law to solve for number of moles.
What is
n = PV/RT
Determine the molecular formula when the empirical formula is SO2 and the molar mass is 128g
what is S2O4
Calculate the grams of sodium needed to make 2 moles of Na2O.
4Na + O2 --> 2Na2O
92 grams of Na
Gases are made up of tiny particles in constant random motion, have elastic collisions and are mostly empty space
What is the Kinetic Molecular Theory?
Determine the total number of atoms in (NH4)3PO4
What is 20?
What are the FIVE types of Chemical Reactions?
Synthesis
Decomposition
Single Replacement
Double Replacement
Combustion
What is the partial pressure of nitrogen collected over water that has a vapor pressure of 20.5 torr. The total pressure of the nitrogen and water vapor is 761 torr.
What is 740.5 torr?
What is the Molar Mass of H2SO4?
98 g/mol
How many moles of CaBr2 are formed when 80 grams of calcium react?
Ca + Br2 --> CaBr2
2 moles of CaBr2
On your white board, draw a heating curve and label solid, liquid, gas, MP and BP
Shape of NH3
trigonal pyramidal
The name of an acid base reaction.
What is 60L
What percent of FeCl3 is iron?
34%
Calculate the number of grams of hydrogen needed to form 34 g of NH3.
N2 + 3H2 --> 2NH36.0 grams of Hydrogen.