8D.6

Question 1

what is percentage uncertainty

Answer 1

it is the real measurement uncertainty in an experiment multiplied by 100 and divided by the value obtained

Question 2

what does the percentage uncertainty in a balance depend on

Answer 2

1. the precision of the balance

2. the mass of what being weight. smaller the more percentage uncertainty there is

Question 3

how does the percentage uncertainty stack up

Answer 3

by adding all of the measurement uncertainty equipment use

Question 4

how can we lower the percentage uncertainty in a thermochemistry equation

Answer 4

by minimizing heat lose :)