Chemistry Unit 7
More practice in writing and balancing equations
Write balanced chemical equations for the following reactions.
1. Zinc reacts with hydrogen chloride to form zinc chloride.
2. Sodium oxide reacts with wa
change in y/change in x
y2 - y1/ x2 -x1
m is the slope
b is the vertical intercept
Po = initial quantity
a = the factor by which P changes when t increases by 1
continuous exponential f
UNIT II Worksheet 1
1. Consider the position vs. time graph below for cyclists A and B.
c. Which cyclist is travelling faster at t = 3s? How do you know?
,\.,.c. .b4'" c: t fe.
d. Are their velocities equal a
Weight on Earth
Mass (kg) x 10 N
Distance / time
Speed with direction
Change of velocity / time
Acceleration x time
If velocity is a constant, acceleration 0
Acceleration is constant = 10 m/s/s (on
Chemistry Unit 7 Worksheet 4
Samples of Every Kind of Problem
On a separate sheet of paper, write a complete solution to each of the problems
below. Follow the procedure outlined in class. Be sure to circle your final answer.
1. Calculate the