![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, 21.06.2019 18:00
Construct the hypothetical phase diagram for metals a and b between room temperature (20c) and 700c, given the following information: * the melting temperature of metal a is 480c. β’ the maximum solubility of b in a is 4 wt% b, which occurs at 420c. β’ the solubility of b in a at room temperature is 0 wt% b. β’ one eutectic occurs at 420c and 18 wt% bβ82 wt% a. β’ a second eutectic occurs at 475c and 42 wt% bβ58 wt% a. β’ the intermetallic compound ab exists at a composition of 30 wt% bβ70 wt% a, and melts congruently at 525c.β’ the melting temperature of metal b is 600c. β’ the maximum solubility of a in b is 13 wt% a, which occurs at 475c. β’ the solubility of a in b at room temperature is 3 wt% a.
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 23:30
Calculate the expected ph values of the buffer systems from the experiments (a,b,c,d), using the henderson- hasselbalch equation, ph-pka+log[a-]/[ha]. use for pka values carbonic acid= 6.37, and acetic acid= 4.75.
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 17:30
Energy defines the different "states" of matter. in no more than 3 sentences, describe the amount of kinetic energy that each of the 3 states of matter possesses and relate that to the atom/molecular motion of each "state".
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 18:30
The table lists the lattice energies of some compounds.compoundlattice energy (kj/mol)lif β1,036licl β853naf β923kf β821nacl β786which statement about crystal lattice energy is best supported by the information in the table? the lattice energy increases as cations get smaller, as shown by lif and kf.the lattice energy increases as the cations get larger, as shown by lif and licl.the lattice energy decreases as cations get smaller, as shown by nacl and naf.the lattice energy decreases as the cations get smaller, as shown by naf and kf.
Answers: 3
You know the right answer?
What is the formula of potassium chloride?...
Questions
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.11.2019 18:31
![question](/tpl/images/cats/mat.png)
Mathematics, 25.11.2019 18:31
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/fizika.png)
Physics, 25.11.2019 18:31
![question](/tpl/images/cats/mat.png)
Mathematics, 25.11.2019 18:31
![question](/tpl/images/cats/mat.png)
Mathematics, 25.11.2019 18:31
![question](/tpl/images/cats/himiya.png)
Chemistry, 25.11.2019 18:31
![question](/tpl/images/cats/mat.png)
Mathematics, 25.11.2019 18:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
Physics, 25.11.2019 18:31
![question](/tpl/images/cats/ekonomika.png)
Business, 25.11.2019 18:31
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.11.2019 18:31
![question](/tpl/images/cats/mat.png)