This topic contains a solution. Click here to go to the answer

Author Question: What principle states that mass is neither gained or lost during a chemical reaction? A) ... (Read 159 times)

kfurse

  • Hero Member
  • *****
  • Posts: 590
What principle states that mass is neither gained or lost during a chemical reaction?
 
  A) Avogadro's theory
  B) law of combining volumes
  C) law of conservation of mass
  D) law of constant composition
  E) none of the above

Question 2

Which mineral contains mercury?
 
  A) cinnabar
  B) sphalerite
  C) rutile
  D) chromite
  E) cassiterite



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

IRincones

  • Sr. Member
  • ****
  • Posts: 321
Answer to Question 1

C

Answer to Question 2

A





 

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?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

For a complete list of videos, visit our video library