![subject](/tpl/images/cats/himiya.png)
Chemistry, 24.06.2019 03:30 muravyevaarina
The ph of a solution is measured eight times by one operator using the same instrument. she obtains the following data: 7.15, 7.20, 7.18, 7.19, 7.21, 7.20, 7.16, and 7.20. (a) calculate the sample mean. round your answer to 3 decimal places.
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 09:00
If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 01:00
Chromium(iii) sulfate is a transition metal compound containing the metal chromium and the polyatomic ion sulfate. the oxidation state of chromium in this compound is , and the chemical formula of the compound is ( ) . reset next
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 01:20
Use the de broglie's wave equation to find the wavelength of an electron moving at 7.3 × 106 m/s. show your work. note: h = plank's constant (6.62607 x 10-34 j s)
Answers: 1
You know the right answer?
The ph of a solution is measured eight times by one operator using the same instrument. she obtains...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 29.01.2020 21:51
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 29.01.2020 21:51
![question](/tpl/images/cats/biologiya.png)
Biology, 29.01.2020 21:52
![question](/tpl/images/cats/mat.png)
Mathematics, 29.01.2020 21:52
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 29.01.2020 21:52
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.01.2020 21:52
![question](/tpl/images/cats/mat.png)
Mathematics, 29.01.2020 21:52
![question](/tpl/images/cats/mat.png)
Mathematics, 29.01.2020 21:52