![subject](/tpl/images/cats/himiya.png)
Chemistry, 28.01.2022 14:00 traybrown0690
What is the molecular formula for a compound with the empirical formula below
and a molar mass of 90. g/mol?
HCO2
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/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 17:00
How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 06:00
What does it mean for something to be dissolved in watera- it is submerged in water moleculesb-it is stirred in the water moleculesc- it is surrounded by water molecules d-it has water molecules added to it
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 08:00
What is the temperature in kelvin of a gas if it is allowed to expand from 1.50 l to 4.50 l? the initial temperature is 10.0Β°c and pressure is constant throughout the change. which equation should you use? t2= v2/v1 t1 what is the final temperature? β 849 k these are the answers.
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 11:30
Jenny places a strip of ph paper into a solution. when she removes the ph paper, it has turned yellow-green. what should jenny do next to determine the ph of her solution? a. use a different testing method because the ph paper should not change colors b. place the ph paper into a machine that reads the ph of the solution c. compare the ph paper's color with the color of ph paper from another solution d. compare the ph paper's color with a chart of colors and ph ranges
Answers: 1
You know the right answer?
What is the molecular formula for a compound with the empirical formula below
and a molar mass of...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 06.11.2019 02:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/fr.png)
French, 06.11.2019 02:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.11.2019 02:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 06.11.2019 02:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/ekonomika.png)
Business, 06.11.2019 02:31
![question](/tpl/images/cats/mat.png)
Mathematics, 06.11.2019 02:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 06.11.2019 02:31
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 06.11.2019 02:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 06.11.2019 02:31