1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
mina [271]
3 years ago
8

When a student combed his dry hair for a long time, his hair began to stand up. Which of these has MOST LIKELY happened? A) The

comb and hair have become charged with similar charges. B) The comb and hair have become charged with opposite charges. C) The comb has become charged, but the hair has remained neutral. D) The hair has become charged, but the comb has remained neutral.
Chemistry
2 answers:
Alecsey [184]3 years ago
5 0
B. 

Opposites attract, likes repel.
GrogVix [38]3 years ago
3 0

Answer:

B

Explanation:

You might be interested in
A block of metal has a mass of 0.0694 kg. It displaces 3.6 mL of water. What is it’s density in g/cm^3
Ivan

Answer:

19.28 g/cm^3 to the nearest hundredth.

Explanation:

The volume of water displaced = the volume of the metal.

density = mass / volume

0.0694 kg = 0.0694 * 1000

=  69.4 g.

Density = 69.4 / 3.6

= 19.28 g/cm^3.

4 0
3 years ago
What makes a substance pure?
Norma-Jean [14]

Answer: When a substance is pure, it is composed of one type of molecule. For example, table salt is only composed of (more or less) salt molecules, while seawater has water and salt molecules. A more complicated example of a non - pure substance is soil. It has many different types of nutrients and compounds.

5 0
3 years ago
Read 2 more answers
What do you understand by valency electron and valency shell?​
jasenka [17]

Answer:

<h2>total no. of electron present in Valency shell is called valency electron </h2><h2>___________________</h2>

<h2>valency shell is that in which last electron is present</h2>

7 0
2 years ago
What type of energy is stored in the chemical bonds between atoms?
Brrunno [24]

Answer:

Chemical energy

Explanation:

An atom is the basic unit of a chemical element.

A chemical bond held together with atoms, ions, or molecules that leads to the formation of chemical compounds. A chemical bond may be covalent, polar covalent, or ionic. Among these chemical bonds, an ionic bond is the strongest chemical bond.

Chemical energy is stored in the chemical bonds between atoms.

7 0
3 years ago
Read 2 more answers
The amount of disorder in a system is measured by it's:
dusya [7]
The amount or disorder in a chemical system or system is measured by it's Entropy. Entropy is the simply the measure of the amount of disorder or lack of structure present within a system.
3 0
3 years ago
Other questions:
  • A substance with a density of 2.70 g/mL occupies a volume of 21.3 mL. What is the mass of the sample? Report your answer in unit
    11·1 answer
  • Explain how human activity can affect the carbon cycle.
    5·2 answers
  • The following system is at equilibrium:
    14·1 answer
  • Problem PageQuestion A chemistry student needs 10.0g of dimethyl sulfoxide for an experiment. By consulting the CRC Handbook of
    6·1 answer
  • Two new planets with equal masses are discovered. Planet A is twice as far from the sun as Planet B. Which of the following is t
    7·2 answers
  • This gas can be formed if a hydrogen bomb is detonated.
    5·1 answer
  • Is aluminum intensive or extensive
    11·2 answers
  • To identify the limiting and excess reactants in a reaction.
    5·1 answer
  • Ii. What is the purpose of the scientific method? (2 points)
    12·2 answers
  • The diagram below shows the PH values of several substances.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!