Why is it important to have a control group in an experimental investigation?
a: to show wha...
![subject](/tpl/images/cats/himiya.png)
Chemistry, 31.08.2019 15:30 raoufhanna
Why is it important to have a control group in an experimental investigation?
a: to show what happens when the dependent variable is not changed
b: to see how the dependent variable changes the independent variable
c: to compare the results when the independent variable is not involved
d: to allow the researchers to change the dependent variable as they wish
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Chemistry
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 02:30, brittanysanders
When you perform this reaction, what could remain at the end of the reaction? check all that apply. excess reactant aqueous copper chloride excess reactant aluminum oxygen product solid copper carbon dioxide product aqueous aluminum chloride water
Answers: 2
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 05:50, mayamabjishovrvq9
Why doesn't heat added to water make the tempature rise above 100c
Answers: 2
![image](/tpl/images/cats/himiya.png)
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 16:30, montanolumpuy
How many moles of sulfuric acid (h2so4) are needed to react completely with 6.8 moles of lithium hydroxide (lioh)? 2lioh + h2so4 → li2so4 + 2h2o a. 3.4 mol h2so4b. 6.8 mol h2so4 c. 10.2 mol h2so4 d. 13.6 mol h2so4
Answers: 3
You know the right answer?
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
Mathematics, 15.01.2022 23:10
![Konu](/tpl/images/cats/mat.png)
Mathematics, 15.01.2022 23:10
![Konu](/tpl/images/cats/mat.png)
Mathematics, 15.01.2022 23:10
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 15.01.2022 23:10
![Konu](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 15.01.2022 23:20
![Konu](/tpl/images/cats/informatica.png)
![Konu](/tpl/images/cats/en.png)
English, 15.01.2022 23:20