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
The Ideal Gas Law Equation
PV = nRT
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
Equation for pH
pH = -log[H+]
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