Formulas Flashcards
1
Q
Accuracy by % Error
A
| | accepted value | x 100%
experimental – accepted value |
2
Q
Specific Heat/ Heat
A
q = (Mass)(ΔTemp)(Cp)
3
Q
Density
A
Mass/Volume
4
Q
Volume
A
Mass/Density
5
Q
Thickness
A
Volume/Area
6
Q
ΔTemp
A
Final Temp - Initial Temp
7
Q
Average (Mean)
A
Sum of all values / # of values
8
Q
Specific Heat of Water
A
4.18 Joules/g°C
1 cal/g°C
9
Q
Rate law for nuclear decay (based on number of radioactive atoms initially present (N_0))
A
ln(N/N_0) = -kt
10
Q
Rate law for nuclear decay (based on the measured activity of a sample (A))
A
ln(A/A_0) = -kt
11
Q
Relationship between the half-life and the rate constant for a nuclear decay process.
A
T_1/2 = 0.693/k
12
Q
Using half-life to determine remaining amount
A
initial amount x 1/2^(time elapsed/half-life) = remaining amount
