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

Author Question: What is a chemical equation? A) It is a shorthand notation for illustrating a chemical reaction. ... (Read 206 times)

123654777

  • Hero Member
  • *****
  • Posts: 585
on: Jul 29, 2018
What is a chemical equation?
 
  A) It is a shorthand notation for illustrating a chemical reaction.
  B) It is the sum of the masses of the products and reactants.
  C) It is the chemical combination of equal numbers of reactants and products.
  D) It is a picture of the atoms undergoing a chemical equalization.
  E) It is any type of reaction that takes place at the equator.

Question 2

Steel wool wetted with vinegar is sealed within a balloon inflated with air. After several hours, what happens to the volume of the balloon?
 
  A) The balloon inflates.
  B) The balloon deflates.
  C) The balloon dissolves.
  D) Nothing because the vinegar is acting on the steel wool, not upon the balloon.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

joanwhite

  • Sr. Member
  • ****
  • Posts: 308
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: B


123654777

  • Member
  • Posts: 585
Reply 2 on: Jul 29, 2018
:D TYSM

kalskdjl1212

  • Member
  • Posts: 353
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

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.

(A) Figure illustrating the location and appearance of a peptic ulcer in both the stomach and the du (A) Figure illustrating the location and appearance of a peptic ulcer in both the stomach and the du
Effect of the chemical environment on pKa Effect of the chemical environment on pKa
Formation of a peptide bond by a condensation reaction. Formation of a peptide bond by a condensation reaction.
An example of a corrected chart notation. An example of a corrected chart notation.
Reaction coordinate diagram for a simple enzyme catalyzed reaction Reaction coordinate diagram for a simple enzyme catalyzed reaction
The overall reaction catalyzed by the NADH dehydrogenase complex The overall reaction catalyzed by the NADH dehydrogenase complex
Video: Stretch reflex & Tendon reflex

For a complete list of videos, visit our video library