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

Author Question: Different samples of a pure compound always contain the same elements in a) exactly equal ... (Read 75 times)

ishan

  • Hero Member
  • *****
  • Posts: 546
on: Jul 28, 2018
Different samples of a pure compound always
  contain the same elements in
   a) exactly equal amounts.
   b) the same proportion by volume.
   c) the same proportion by mass.
   d) varying proportions depending on the temperature.

Question 2

A 2.0-kg object moving 3.0 m/s strikes a 1.0-kg object initially at rest. Immediately after the collision, the 2.0-kg object has a velocity of 1.5 m/s directed 30 from its initial direction of motion. What is the x component of the velocity of the 1.0-kg object just after the collision?
 a. 3.7 m/s
  b. 3.4 m/s
  c. 1.5 m/s
  d. 2.4 m/s
  e. 4.1 m/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

miss_1456@hotmail.com

  • Sr. Member
  • ****
  • Posts: 289
Reply #1 on: Jul 28, 2018
Answer to Question 1

c

Answer to Question 2

b


ishan

  • Member
  • Posts: 546
Reply 2 on: Jul 28, 2018
Wow, this really help

ttt030911

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Periodic Table of the Elements Periodic Table of the Elements
The periodic table of the elements The periodic table of the elements
Elements Found in Organisms Elements Found in Organisms
How to calculate compound interest (Part 1) How to calculate compound interest (Part 1)
Fracture and Repair of Bone Open (Compound) Fracture and Repair of Bone Open (Compound)
Compound Angle Formulas Compound Angle Formulas
Video: Chemical Changes

For a complete list of videos, visit our video library