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

Author Question: A piece of metal ore weighs 8.25 g. When a student places it into a graduated cylinder containing ... (Read 117 times)

cdr_15

  • Hero Member
  • *****
  • Posts: 546
on: Aug 27, 2018
A piece of metal ore weighs 8.25 g. When a student places it into a graduated cylinder containing water, the liquid level rises from 21.25 mL to 26.47 mL. What is the density of the ore?
 
  A) 0.312 g/mL
  B) 0.633 g/mL
  C) 1.58 g/mL
  D) 3.21 g/mL

Question 2

An atom of 131Xe contains ________ electrons.
 
  A) 131
  B) 185
  C) 77
  D) 123
  E) 54


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tsternbergh47

  • Sr. Member
  • ****
  • Posts: 311
Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

E


cdr_15

  • Member
  • Posts: 546
Reply 2 on: Aug 27, 2018
Excellent

jordangronback

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

If a cylinder(s) is lower than most of the others, use an oil can and use two squirts of engine oil ... If a cylinder(s) is lower than most of the others, use an oil can and use two squirts of engine oil ...
How to find the volume and surface area of any cylinder How to find the volume and surface area of any cylinder
Cylinder Power Balance Test Cylinder Power Balance Test
Student Test Scores versus GDP per Capita Student Test Scores versus GDP per Capita
How many grams of H2 gas are there in a 5.00-L cylinder at 4.00 × 103 mm Hg and 23°C? How many grams of H2 gas are there in a 5.00-L cylinder at 4.00 × 103 mm Hg and 23°C?
A uniform solid cylinder of radius R and a thin uniform spherical shell of radius R both roll ... A uniform solid cylinder of radius R and a thin uniform spherical shell of radius R both roll ...
Video: Oxygen transport: association and dissociation & Factors that affect hemoglobin's saturation with O2

For a complete list of videos, visit our video library