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

Author Question: Which of the following statements about mass spectrometry is false? A) Mass spectrometry can be ... (Read 57 times)

jCorn1234

  • Hero Member
  • *****
  • Posts: 545
on: Aug 27, 2018
Which of the following statements about mass spectrometry is false?
 
  A) Mass spectrometry can be used to determine the molecular weight of a compound.
  B) The curvature of the path in a magnetic field is determined by the mass of the ion.
  C) The paths of heavier ions are deflected more strongly than the paths of lighter ions.
  D) The sample is changed into positively charged ions.

Question 2

Cesium-131 has a half-life of 9.7 days. What percent of a cesium-131 sample remains after 60 days?
 
  A) 100
  B) 0
  C) 1.4
  D) 98.6
  E) more information is needed to solve the problem


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

wilsonbho

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

C


jCorn1234

  • Member
  • Posts: 545
Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)

Joy Chen

  • Member
  • Posts: 354
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

The Mass-Luminosity Relation The Mass-Luminosity Relation
Air Mass Thunderstorms Air Mass Thunderstorms
Mass spectrometry (MS) for Mass, Sequence, and Amino Acid Analyses of Purified Proteins Mass spectrometry (MS) for Mass, Sequence, and Amino Acid Analyses of Purified Proteins
How to convert verbal statements into algebraic equations (Part 4) How to convert verbal statements into algebraic equations (Part 4)
What is the mass of air in a room that measures 5.0 m 8.0 m 3.0 m? (The density of air is ... What is the mass of air in a room that measures 5.0 m 8.0 m 3.0 m? (The density of air is ...
How many grams of tartaric acid, H2C4H4O6, (molar mass = 150.10 g) are needed to How many grams of tartaric acid, H2C4H4O6, (molar mass = 150.10 g) are needed to
Video: Neural regulation of blood pressure - baroreceptor and chemoreceptor reflexes

For a complete list of videos, visit our video library