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

Author Question: The prefix mega means ________. A) 10-6 B) 10-3 C) 103 D) ... (Read 65 times)

bobbysung

  • Hero Member
  • *****
  • Posts: 519
on: Aug 27, 2018
The prefix mega means ________.
 
  A) 10-6
  B) 10-3
  C) 103
  D) 106

Question 2

Which of the following has 6 as one of the coefficients when the equation is balanced?
 
  A) H2SO4 + Al(OH)3  Al2(SO4)3 + H2O
  B) C2H6O +O2  CO2 + H2O
  C) Mg + HCl  H2 + MgCl2
  D) Al(OH)3 + HCl  AlCl3 + H2O

Question 3

If 30 grams of sodium chloride are added to 100 mL of water, will the resulting volume of the solution be less than, exactly, or greater than 100 mL?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

polinasid

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

A

Answer to Question 3

A solution made in this way will have a total volume greater than the volume of the water initially (>100 mL).


bobbysung

  • Member
  • Posts: 519
Reply 2 on: Aug 27, 2018
Gracias!

jordangronback

  • Member
  • Posts: 339
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do
“Career choice” for many women means leaving their paid jobs for a number of years when they ... “Career choice” for many women means leaving their paid jobs for a number of years when they ...
How to perform conversions between units with prefixes ranging from pico to mega How to perform conversions between units with prefixes ranging from pico to mega
Eating Breakfast Means More Energy and Fewer Calories throughout the Day Eating Breakfast Means More Energy and Fewer Calories throughout the Day
A 40.0-kg crate is being raised by means of a rope. Its upward acceleration is 2.00 m/s2. What ... A 40.0-kg crate is being raised by means of a rope. Its upward acceleration is 2.00 m/s2. What ...
If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ... If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ...
Video: Exocytosis - secretion

For a complete list of videos, visit our video library