Lab Safety/Tools
An item needed for lab each week
What are goggles, closed-toe shoes, lab coat, hair-tie, gloves, calculator?
Name KCl
What is potassium chloride?
Electron Geometry for CH4
Tetrahedral
Equation for Percent Yield
% yield = Actual/Theoretical *100%
Manganese is an example of a metal or nonmetal?
Metal
The hottest part of the flame on a bunsen burner
What is the tip of the inner blue cone?
The formula for CO
What is carbon monoxide
The molecular geometry for H2S
Bent
Dilution Equation
M1V1 = M2V2
Heating a piece of a crayon in a test tube is an example of a physical or chemical change?
Physical change
This item is used to heat samples to high temperatures and should be tempered
What is a crucible?
What is diphosphorus pentoxide?
Linear
The equation for heat
Q = m x C x Delta T
The four main types of reactions
What are combination, decomposition, single decomposition and double displacement?
A beaker or a graduated cylinder gives a more precise volume?
What is the graduated cylinder?
The name for CuO
What is copper (II) oxide?
The molecular geometry for PCl3
Percent Error
|Theoretical - Experimental|/(Theoretical) *100%
Balance the following reaction:
Na + H2O -> NaOH + H2
2 Na + 2 H2O -> 2 NaOH + H2
The axes on a plot finding density
What are mass and volume?
The formula for aluminum sulfate
Al2(SO4)3
How many lone pairs are on the S in SO3?
Zero
Beer's Law Equation
A = E * l * C
Using the equation:
2 NaHCO3(s) → Na2CO3(s) + CO2 (g) + H2O(g)
Describe how you would get from 1 mol NaHCO3 to grams of Na2CO3.
Multiply by the molar ratio (1 mol Na2CO3: 2 mol NaHCO3), multiply by the molar mass of Na2CO3