Lab: Rate of Chemical Reactions

Question 1

Did you read the Student Guide carefully?

Revolt · Accepted Answer

A: yes

Question 2

The independent variables, the ones that are intentionally manipulated, are .

Revolt · Accepted Answer

A: temperature and surface area

Question 3

Which statements are part of the safety protocol for this lab experiment? Check all that apply.

Revolt · Accepted Answer

A: Wear appropriate clothing for this activity (safety goggles, apron, gloves, etc.).; B: Check all glassware for chips and cracks.; D: Behave in a way that is purposeful.; F: Report all accidents to the teacher.

Question 4

Which of the following did you include in your hypothesis? Check all that apply.

Revolt · Accepted Answer

A: The “if” part of your hypothesis refers to changing the temperature and the surface area.; B: The “then” part of your hypothesis refers to a measureable difference in time.; C: The “because” portion of your hypothesis connects temperature and surface area to the reaction rate.

Question 5

Which of the following did you include in your question? Check all that apply.

Revolt · Accepted Answer

A: independent variable 1: temperature of the water; B: independent variable 2: surface area of the tablet; C: dependent variable: reaction time; D: format: What are the effects of X and Y on Z?

Question 6

The dependent variable, the one that you measure the response in, is .

Revolt · Accepted Answer

C: reaction time

Lab: Rate of Chemical Reactions Answers

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