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

Author Question: How many grams of ethanol (specific gravity 0.80 ) should be added to 5 grams of chloroform ... (Read 70 times)

piesebel

  • Hero Member
  • *****
  • Posts: 565
on: Jul 29, 2018
How many grams of ethanol (specific gravity 0.80 ) should be added to 5 grams of chloroform (specific gravity 1.50 ) if the resulting mixture is to have a specific gravity of 1.20?
 
  A) 2.0 gms
  B) 2.4 gms
  C) 1.8 gms
  D) 4.4 gms
  E) 1.6 gms

Question 2

A plucked guitar string produces a sound wave of frequency 440 Hz.
 
  (a) What is the wavelength of the sound wave (assume the speed of sound in air is 340 m/s)? (b) How much time elapses between the impacts of two adjacent compressions on your eardrum?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

emsimon14

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

(a) 0.77 m (b) 2.3  10-3 s


piesebel

  • Member
  • Posts: 565
Reply 2 on: Jul 29, 2018
Gracias!

cam1229

  • Member
  • Posts: 329
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Lambda phage inserts by a crossover at a specific site Lambda phage inserts by a crossover at a specific site
Gravity Works at All Scales Gravity Works at All Scales
Selected Pediatric Drugs for Which Specific Indications and Dosage Guidelines Exist Selected Pediatric Drugs for Which Specific Indications and Dosage Guidelines Exist
Splash blending occurs when the ethanol is added to a tanker with gasoline and is mixed as the ... Splash blending occurs when the ethanol is added to a tanker with gasoline and is mixed as the ...
Adding additional amounts of ethyl alcohol (ethanol) increases the frequency reading. Adding additional amounts of ethyl alcohol (ethanol) increases the frequency reading.
Specific amino acid–nucleotide contacts for cI and Cro repressors Specific amino acid–nucleotide contacts for cI and Cro repressors
Video: Apicomplexan life cycle Animation

For a complete list of videos, visit our video library