Why is it necessary to use deionized water when testing the conductivity of aqueous solutions?

Why is it necessary to use deionized water when testing the conductivity of aqueous solutions?

In: Chemistry

Part A (1.5 pts) Circle the letter of the phrase that most accurately completes the sentence....

Part A (1.5 pts) Circle the letter of the phrase that most accurately completes the sentence.

When the current in the circuit below increases from 0.50 Io to Io the emf induced in the inductor acts in the:

  1. the same direction as ?? and the energy stored in the inductor is 2x the initial value

  2. the opposite direction to ?? and the energy stored in the inductor is 2x the initial value.

  3. the same direction as ?? and the energy stored in the inductor is 4x the initial value.

  4. the opposite direction to ?? and the energy stored in the inductor is 4x the initial value.

In: Physics

Consider a 10 year bond which pays 6% coupon annually and has a yield-to-maturity of 7%....

Consider a 10 year bond which pays 6% coupon annually and has a yield-to-maturity of 7%. How much would the price of bond change if investors required return increases to 8% per year?

decrease by approximately $64

decrease by approximately $52

increase by approximately $64

increase by approximately $54

In: Finance

Zinc reacts with aqueous sulfuric acid to form hydrogen gas:       Zn (s) + H2SO4 (aq)...

Zinc reacts with aqueous sulfuric acid to form hydrogen gas:

      Zn (s) + H2SO4 (aq) → H2 (g) + ZnCl2 (aq)

In an experiment, 201 mL of wet H2 is collected over water at 27 °C and a barometric pressure of 732.78 torr. The vapor pressure of water at 27 °C is 26.74 torr. The partial pressure of hydrogen in this experiment is __________ atm.

In: Chemistry

PLEASE WRITE SIMPLE HTML ,CSS(IF REQUIRED) , JAVASCRIPT(IF REQUIRED) PLEASE TELL HOW TO BRING THE EXTRA...

PLEASE WRITE SIMPLE HTML ,CSS(IF REQUIRED) , JAVASCRIPT(IF REQUIRED)

PLEASE TELL HOW TO BRING THE EXTRA SCROLL BAR MENU ATTACHED WITH THE TABLE . I WANT TO BRING THE SCROLL BAR JUST ATTACHED WITH THE EXTREME END OF THE TABLE COLUMN . I DO NOT WANT THE SCROLL BAR TO APPEAR AT THE EXTREME END OF THE PAGE.

Also i want the scroll bar menu to be horizontal and vertical as well.

Also the table column values and all the rows values data are getting disorganized. In MS EXCEL we directly select each column values and align center so that all the text is properly aligned.

i want to know how to the proper alignment of all the table column values as well.

i am posting one link for reference and help but my entire problem was not solved hence posting it again.

https://www.chegg.com/homework-help/questions-and-answers/please-write-simple-html-css-required-javascript-required-please-tell-bring-extra-scroll-b-q43754597?trackid=HHHR8JIP

In: Computer Science

Calculate the percent ionization of 0.140M lactic acid (Ka=1.4�10?4). Calculate the percent ionization of 0.140M lactic...

Calculate the percent ionization of 0.140M lactic acid (Ka=1.4�10?4).

Calculate the percent ionization of 0.140M lactic acid in a solution containing 7.0�10?3  Msodium lactate.

In: Chemistry

create a linear search function in a c++ comparing 2 arrays that are unsorted and has...

create a linear search function in a c++ comparing 2 arrays that are unsorted and has random numbers. count how many numbers they have similiar

In: Computer Science

The operations of the Hamilton Hotel, a small hotel operation, are becoming more complex. Alexander Hamilton,...

The operations of the Hamilton Hotel, a small hotel operation, are becoming more complex. Alexander Hamilton, the owner, has asked for your help in preparing his statement of cash flows. He is able to present you with balance sheets and some additional information.

Hamilton Hotel

Balance Sheets

December 31, 2015 and December 31, 2016

Assets

2015

2016

Change

Cash

10,000

6,000

(4,000)

Accounts Receivable

56,500

45,500

(11,000)

Inventory

6,000

6,000

-0-

Investments

20,000

25,000

5,000

Building & Equipment

2,200,000

2,325,000

125,000

Accumulated Depreciation

(200,000)

(250,000)

50,000

Total Assets

2,092,500

2,157,500

65,000

Liabilities & Stockholder's Equity

Accounts Payable

18,000

21,000

3,000

Salaries Payable

5,000

2,000

(3,000)

Interest Payable

1,000

4,000

3,000

Mortgage Payable (current)

55,000  

55,000  

-0-  

Dividends Payable

25,000  

25,000  

-0-

Note Payable

-0-

40,000

40,000

Mortgage Payable (Long Term)

1,575,000

1,520,000

(55,000)

Common Stock

200,000

300,000

100,000

Retained Earnings

213,500

190,500

23,000

Total Liabilities & Stockholders’ Equity

2,092,500

2,157,500

65,000

Additional information:

  1. Equipment costing $20,000, depreciated to $10,000 was sold for $8,000.
  2. An investment costing $5,000 was sold for $8,000
  3. Equipment was purchased for $145,000.
  4. Dividends declared during 2016 totaled $50,000.
  5. Assume only dividends declared and net income affected the retained earnings account
  6. Assume all current liabilities are paid on a timely basis
  7. Assume that the current amount of the mortgage payable was reclassified from the noncurrent mortgage

Prepare a cash flow statement in proper format for Alexander

In: Accounting

At what flow rate might turbulence begin to develop in a 0.280 m diameter water main?...

At what flow rate might turbulence begin to develop in a 0.280 m diameter water main? Assume a 20°C temperature and a Reynolds number of 2000. (Use 1.005 10-3 (N/m2) · s for the viscosity of water.)

In: Physics

I require a software to simulate Fluid simulation with the capability of supporting vacuum simulation. My...

I require a software to simulate Fluid simulation with the capability of supporting vacuum simulation. My requirements are that all numbers must reflect their real counterparts almost exactly. For example I need to mix Fluid, Air and Vacuum.

I have tried RealFlow but it doesn't support Vacuum.

Any body knows any software for this?

In: Physics

A process for the production of 1,3-butadiene results from the catalytic dehydrogenation at atmospheric pressure of...

A process for the production of 1,3-butadiene results from the catalytic dehydrogenation at atmospheric pressure of 1-butene according to the reaction

C4H8(g) C4H6(g) + H2(g)

To suppress side reactions, the 1-butene feed stream is diluted with steam in the ratio of 10 moles of steam per mole of 1-butene. The reaction is carried out isothermally at 525oC, and at this temperature 33% of the 1-butene is converted to 1,3-butadiene. How much heat is transferred to the reactor per mole of entering 1- butene?

In: Other

In a test of the effectiveness of garlic for lowering​ cholesterol, 44 subjects were treated with...

In a test of the effectiveness of garlic for lowering​ cholesterol, 44 subjects were treated with garlic in a processed tablet form. Cholesterol levels were measured before and after the treatment. The changes ​(before−​after) in their levels of LDL cholesterol​ (in mg/dL) have a mean of 3.2 and a standard deviation of 17.2. Construct a 95​% confidence interval estimate of the mean net change in LDL cholesterol after the garlic treatment. What does the confidence interval suggest about the effectiveness of garlic in reducing LDL​ cholesterol?  

_____ mg/dL < population mean < ______ mg/dL

In: Math

How do you typically react to stressful situations? What coping strategies do you normally use? Give...

How do you typically react to stressful situations? What coping strategies do you normally use? Give some examples from your life. Can you think of any better coping strategies that you could try? What steps could you take to reduce the level of stress in your life? In your response include text references to specific information in chapter 11, citing appropriate quotes from the current edition of the textbook and the section number of the textbook in which you found each quote.

Psychology ciccarelli white 5th edition

In: Psychology

A projectile proton with a speed of 1400 m/s collides elastically with a target proton initially...

A projectile proton with a speed of 1400 m/s collides elastically with a target proton initially at rest. The two protons then move along perpendicular paths, with the projectile path at 74

In: Physics

The bridge reaction between glycolysis and Krebs involves the conversion of __________ to Acetyl CoA.

The bridge reaction between glycolysis and Krebs involves the conversion of __________ to Acetyl CoA.

In: Biology