1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Evgesh-ka [11]
3 years ago
6

A 1.00 liter solution contains 0.46 M hydrocyanic acid and 0.35 M potassium cyanide If 25.0 mL of water are added to this system

, indicate whether the following statements are true or false. (Note the the volume MUST CHANGE upon the addition of water.)
A. The concentration of HCN will increase.
B. The concentration of CN" will decrease.
C. The equilibrium concentration of Hy0 will remain the same 4
D. The pH will remain the same.
E. The ratio of [HCN]/[CN] will decrease.
Engineering
1 answer:
victus00 [196]3 years ago
4 0
I won leader solution contain 0.46 mL of hydronic I said of 0.3 potassium
You might be interested in
(a) The lower yield point for an iron that has an average grain diameter of 1 x 10-2 mm is 230 MPa. At a grain diameter of 6 x 1
olya-2409 [2.1K]

Answer:

The answer is "4.35 \times 10^{-3}\  mm and 157.5 MPa".

Explanation:

In point A:

The strength of its products with both the grain dimension is linked to this problem. This formula also for grain diameter of 310 MPA is represented as its low yield point  

y =  yo + \frac{k}{\sqrt{x}}

Here y is MPa is low yield point, x is mm grain size, and k becomes proportionality constant.  

Replacing the equation for each condition:  

y = y_o + \frac{k}{\sqrt{(1 \times 10^{-2})}}\\\\\ \ \ \ \ \ \ 230 = yo + 10k\\\\ y = yo + \frac{k}{\sqrt{(6\times 10^{-3})}}\\\\275 = yo + 12.90k

People can get yo = 275 MPa with both equations and k= 15.5 Mpa mm^{\frac{1}{2}}.

To substitute the answer,  

310 = 275 + \frac{(15.5)}{\sqrt{x}}\\\\x = 0.00435 \ mm = 4.35 \times 10^{-3}\  mm

In point b:

The equation is \sigma y = \sigma 0 + k y d^{\frac{1}{2}}

equation is:

75 = \sigma o+4 ky \\\\175 = \sigma o+12 ky\\\\ky = 12.5 MPa (mm)^{\frac{1}{2}} \\\\ \sigma 0 = 25 MPa\\\\d= 8.9 \times 10^{-3}\\\\d^{- \frac{1}{2}} =10.6 mm^{-\frac{1}{2}}\\

by putting the above value in the formula we get the \sigma y value that is= 157.5 MPa

5 0
3 years ago
Please help me bro come on
melomori [17]
Answer:

12

Explanation:

5 • 3 = 15
3 • 3 = 9
4 • 3 = 12
6 0
3 years ago
Read 2 more answers
What are the advantages of studying a scheduled course over a more freeform one?
anyanavicka [17]

Answer:

Taking responsibility for your own learning makes it easier to identify your strengths and weaknesses. Once these have been identified you can work on a learning plan that focuses on the areas that you need most help with, increasing the speed of your learning, and build the skills you have been trying to perfect.

Explanation:

8 0
3 years ago
Read 2 more answers
Two containers initially contain dry air at 40 °C. Water is added to both containers so that the relative humidity is 30% in con
enot [183]

Answer:

A) Wet bulb temperature of #1 is less than that of #2

Explanation:

This can be gotten from pinpointing the states of the two containers on a psychometric chart.

8 0
3 years ago
A collective noun names a group of more than one person,place, or thing<br> True or faults
ehidna [41]

Answer: A collective noun does name a group of people like a family and also it can also be for objects too.

Collective noun: A noun that is in singular form but that refers to a group of people of things

Explanation:

8 0
4 years ago
Read 2 more answers
Other questions:
  • Vehicles arrive at a single toll booth beginning at 8:00 A.M. They arrive and depart according to a uniform deterministic distri
    9·1 answer
  • Hi, any kind of help on these questions will be appreciated.
    10·1 answer
  • An electric field is expressed in rectangular coordinates by E = 6x2ax + 6y ay +4az V/m.Find:a) VMN if point M and N are specifi
    9·1 answer
  • Hydrogen gas (density = 1.165 kg/m^3 ) is stored at 25°C in a permeable cylindrical container which has an outer diameter of 0.2
    11·1 answer
  • What does it mean when it says technology is A dynamic process
    7·1 answer
  • A 0.39 percent Carbon hypoeutectoid plain-carbon steel is slowly cooled from 950 oC to a temperature just slightly below 723 oC.
    15·1 answer
  • A 5 m deep deposit of sand and silt containing organic layers is to be compacted using explosives placed in the boreholes locate
    13·1 answer
  • How many astronauts work<br> in the International Space Station
    7·1 answer
  • Could I please get help with this​
    11·1 answer
  • Select the correct answer.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!