![subject](/tpl/images/cats/himiya.png)
Chemistry, 08.09.2021 20:30 jdmXdude3140
The density of a sample of copper metal was determined by three different student. Each performed the measurement three times. Describe the accuracy and precision of each student’s measurements. The accepted value for the density of copper is 8.92 g/cm3.
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 22:30
Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 23:00
What is the molecular formula for a compound that is 46.16% carbon, 5.16% hydrogen, and 48.68% fluorine? the molar mass of the compound is 156.12 g/mol
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 23:50
2points why do scientists need governmental funding? o a. government politicians ask all the important scientific questions. o b. scientists have to pay taxes to the government on the money they make. o c. the cost of doing scientific research can be very high. o d. the government is controlled by scientists. submit
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 05:50
Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.
Answers: 2
You know the right answer?
The density of a sample of copper metal was determined by three different student. Each performed th...
Questions
![question](/tpl/images/cats/geografiya.png)
Geography, 25.09.2019 15:10
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 25.09.2019 15:10
![question](/tpl/images/cats/mat.png)
Mathematics, 25.09.2019 15:10
![question](/tpl/images/cats/biologiya.png)
Biology, 25.09.2019 15:10
![question](/tpl/images/cats/en.png)
English, 25.09.2019 15:10
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.09.2019 15:10
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.09.2019 15:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 25.09.2019 15:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.09.2019 15:10