7)The mass of an electron is approximately equal to 1/1368 of the mass of
A)a positron
B)a pr...
![subject](/tpl/images/cats/himiya.png)
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 11:00
Imagine that twenty i.u.โs of enzyme z were catalyzing the above reaction for one minute, under vmaxconditions, in a 3.00 ml assay volume. the assay is buffered with 20 mm phosphate buffer, ph 7.60. what will the ph be at the end of that one minute?
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 13:00
6. using 3 โ 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 โ 4 sentences in your explanation.
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 14:30
Connect the whole numbers on the periodic table to indicate what they represent?
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 20:40
What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/himiya.png)
Chemistry, 31.07.2019 02:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/istoriya.png)
History, 31.07.2019 02:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 31.07.2019 02:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 31.07.2019 02:00
![question](/tpl/images/cats/istoriya.png)
History, 31.07.2019 02:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 31.07.2019 02:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 31.07.2019 02:00
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/istoriya.png)
History, 31.07.2019 02:00