This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Calculate the concentration (M) of sodium ions in a solution made by diluting 50.0 mL of a 0.874 M ... (Read 75 times)

jrubin

  • Hero Member
  • *****
  • Posts: 552
on: Aug 27, 2018
Calculate the concentration (M) of sodium ions in a solution made by diluting 50.0 mL of a 0.874 M solution of sodium sulfide to a total volume of 250.0 mL.
 
  A) 0.175
  B) 4.37
  C) 0.525
  D) 0.350
  E) 0.874

Question 2

The heat of vaporization of water at 100C is 40.66 kJ/mol. Calculate the quantity of heat that is absorbed/released when 9.00 g of steam condenses to liquid water at 100C.
 
  A) 20.3 kJ of heat are absorbed.
  B) 20.3 kJ of heat are released.
  C) 81.3 kJ of heat are absorbed.
  D) 81.3 kJ of heat are released.
Chemistry: The Central Science ¦ Brown, LeMay, Bursten ¦ 14th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nital

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Aug 27, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 35% of students answer this correctly


jrubin

  • Member
  • Posts: 552
Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)

olderstudent

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Walrus Ivory masks made by Yupik in Alaska Walrus Ivory masks made by Yupik in Alaska
Electrostatic interactions of oppositely charged ions of salt Electrostatic interactions of oppositely charged ions of salt
Electricity made easy Electricity made easy
Paraboloid Solution Paraboloid Solution
With solution With solution
To make a 3.00 m solution, one could take 3.00 moles of solute and add To make a 3.00 m solution, one could take 3.00 moles of solute and add
Video: Mechanism of enzyme action

For a complete list of videos, visit our video library