Question

A chemist studies the products produced by two chemical reactions. The amount of product produced as a function of time is shown. What are the​ y-intercepts of the​ functions? What does this tell her about the chemical​ reactions?
Reaction 1
0
2
4
0
2
4
x
y



x y graph
Reaction 2
0
2
4
0
2
4
x
y



x y graph
Question content area bottom
Part 1
Reaction 1 has a​ y-intercept of
  
enter your response here and Reaction 2 has a​ y-intercept of
  
enter your response here. This means that Reaction 1 started out with
▼
no product
some product
in the​ tube, and Reaction 2 started out with
▼
no product
some product
in the tube.

Answer 1

Reaction 1: y-intercept = 0
Reaction 2: y-intercept = 2

The y-intercept is the amount of product at time x = 0, so Reaction 1 started with no product in the tube and Reaction 2 started with some product (2 units) in the tube.