![subject](/tpl/images/cats/himiya.png)
Chemistry, 10.10.2019 21:20 gigioschoch
Atank contains 200 l of fluid in which 30 grams of salt are dissolved. brine containing 1 g of salt per liter is then pumped into the tank at a rate of 4l/min; the well mixed solution is pumped out at the same rate. find the concentration of grams of salt in the tank after 30 minutes of the addition of brine.
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 07:30
The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 12:00
What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom
Answers: 1
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 14:50
Use the bond energies provided to estimate δh°rxn for the reaction below. ch3oh(l) + 2 o2(g) → co2(g) + 2 h2o(g) δh°rxn = ? bond bond energy (kj/mol) c-h 414 c-o 360 c=o 799 o=o 498 o-h 464 use the bond energies provided to estimate δh°rxn for the reaction below. ch3oh(l) + 2 o2(g) → co2(g) + 2 h2o(g) δh°rxn = ? bond bond energy (kj/mol) c-h 414 c-o 360 c=o 799 o=o 498 o-h 464 +473 kj +206 kj -392 kj -91 kj -486 kj
Answers: 1
You know the right answer?
Atank contains 200 l of fluid in which 30 grams of salt are dissolved. brine containing 1 g of salt...
Questions
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 18.03.2021 23:00
![question](/tpl/images/cats/mat.png)
Mathematics, 18.03.2021 23:00
![question](/tpl/images/cats/biologiya.png)
Biology, 18.03.2021 23:00
![question](/tpl/images/cats/mat.png)
Mathematics, 18.03.2021 23:00
![question](/tpl/images/cats/mat.png)
Mathematics, 18.03.2021 23:00
![question](/tpl/images/cats/mat.png)
Mathematics, 18.03.2021 23:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 18.03.2021 23:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mkx.png)
Arts, 18.03.2021 23:00
![question](/tpl/images/cats/istoriya.png)
History, 18.03.2021 23:00
![question](/tpl/images/cats/mat.png)
Mathematics, 18.03.2021 23:00
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 18.03.2021 23:00