Naming Rules
What is the Name NaOH?
In which type of reaction do two or more compounds react to form one product?
Synthesis
What can be determined from a balanced chemical equation? ( Molar mass, Mole ratio, Avogadro's # or Molar Volume)
Mole ratio of any two substances in the reaction
According to your STAAR reference chart, which compound is soluble in water?
A. Barium phosphate C. Silver iodide
B. Calcium sulfate D. Lead (II)chloride
B. Calcium Sulfate
Collisions between gas particles are __________ (weak, strong) and ________ (random, organized).
Weak, random
What is the name of LiCl?
Lithium Chloride
What happens in a single replacement reaction?
One element replaces another in a compound.
What is the mole ratio of H2O to H3PO4 in the following chemical equation?
P4O10 + 6 H2O --> 4 H3PO4
6:4 or 3:2
Agitation prevents settling in a(n)
suspension
When the fragrance of perfume spreads through the room, this describes which property of a gas?
Diffusion
What is the name of S2F8?
disulfur octafluoride
What are the coefficients necessary to balance the equation below?
_____Mg +_____N2 → _____Mg3N2
3,1,1
The molar mass of CF4 is 88.003 g/mol. How many moles of CF4 are present in 162.25 g?
1.8437 mol
How many moles of sodium hydroxide are needed to make 250.00 mL of a 7.80 M solution?
1.95 mol
When a gas is compressed in a cylinder, the volume ________ and the pressure _____.
Decreases, increases
What is the name of HNO3?
nitric acid
What type of reaction occurs when the ions of two compounds switch places to form two new compounds?
Double Replacement
What is the total number of neon atoms contained in 20.2 grams of neon gas?
6.02 x 1023 atoms of Neon
To make a drink carbonated like Dr. Pepper, the carbon dioxide has to dissolve in water. To increase the amount of carbon dioxide dissolved in water, the manufacturer will have to ____.
Increase the pressure, decrease the temperature and prevent agitation.
Nitrogen (80 kPa), oxygen (21.0 kPa), and carbon dioxide (0.03 kPa) are natural components of the atmosphere. What is the total atmospheric pressure in units of kPa?
101.03 kPa
What is the name of H2S?
hydrosulfuric acid
When a chemical equation is correctly balanced, it must show conservation of ______________.
Both charge and mass must be conserved.
For the reaction 2 KClO3 → 2 KCl + 3 O2 how many moles of potassium chlorate are required to produce 250 g of oxygen?
5.2 mol KClO3
List the 3 factors that will increase the solubility of a solid.
Increase in Temperature and Agitation.
A decrease in surface area.
A 7.0L balloon at 295 K is full of hydrogen gas. If the balloon is taken outside where the temperature is 270 K, what volume will the balloon occupy?
6.4 L