![subject](/tpl/images/cats/himiya.png)
Ascientist wants to perform a controlled experiment to test the effect of rust on chemically treated iron. which action would be most important to perform in a controlled experiment? design an experiment that is based on previously published results. expose the treated iron to the corrosive effects of the air. test a large piece of treated iron and a small piece of untreated iron. test a piece of treated iron and a piece of untreated iron under the same conditions.
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 13:00
Dwayne filled a small balloon with air at 298.5 k. he put the balloon into a bucket of water, and the water level in the bucket increased by 0.54 liter. if dwayne puts the balloon into a bucket of ice water at 273.15 k and waits for the air inside the balloon come to the same temperature, what will the volume of the balloon be? assume the pressure inside the balloon doesn’t change. type the correct answer in the box. express your answer to the correct number of significant figures. the volume of the balloon at 273.15 k is liters.
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 05:30
Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 07:00
The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 07:00
Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li
Answers: 1
You know the right answer?
Ascientist wants to perform a controlled experiment to test the effect of rust on chemically treated...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 31.08.2021 07:30
![question](/tpl/images/cats/mat.png)
Mathematics, 31.08.2021 07:30
![question](/tpl/images/cats/geografiya.png)
Geography, 31.08.2021 07:30
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 31.08.2021 07:30
![question](/tpl/images/cats/en.png)
English, 31.08.2021 07:30
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 31.08.2021 07:30
![question](/tpl/images/cats/en.png)
English, 31.08.2021 07:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
English, 31.08.2021 07:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 31.08.2021 07:30
![question](/tpl/images/cats/health.png)
Health, 31.08.2021 07:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/health.png)
Health, 31.08.2021 07:30
![question](/tpl/images/cats/mat.png)
Mathematics, 31.08.2021 07:30
![question](/tpl/images/cats/mat.png)
Mathematics, 31.08.2021 07:30