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
Mrrafil [7]
3 years ago
8

Which process is an example of a chemical change? drying clothes in the dryer heating a cup of tea chopping a tree activating a

glow stick
Chemistry
1 answer:
coldgirl [10]3 years ago
8 0
Answer:

Activating a glow stick is the example of a chemical change, as snapping one will cause a chemical reaction, causing the glow. All of the other options are physical changes because nothing new is formed. Hope this helps!
You might be interested in
Look at the symbol which component in a circuit does it represent
lidiya [134]
A: resistor is the answer
3 0
3 years ago
A solution containing equal numbers of hydrogen ions and hydroxide ions is
igor_vitrenko [27]

Answer:

The answer to your question is: Neutral

Explanation:

A neutral solution is a solution whose pH is 7.

That means that this solution has the same amount of H⁺ and OH⁻.

Examples of neutral solutions:

- distilled water

- sugar solution

- table salt

- cooking oil.

4 0
4 years ago
A pure sample of gold has a volume of 25.0 cm3 and a mass of 483 g. What is the density of gold?
Neporo4naja [7]

Answer:

19.4 g/cm^3

Explanation:

5 0
3 years ago
the temperature of gas is raised by 100 deggres to 200 deggres. what happens to the volume of the gas
solniwko [45]

Answer:

Increases by 100 Pa

Explanation:

According to The Ideal Gas Equation,

  • the temperature of the gas is directly proportional to the volume of the gas present in it
  • If the temperature rises from 100 K to 200 K, then the volume will increase by 100 Pa (standard unit of Pressure)
7 0
2 years ago
What is the numbers of molecules for 65.8g of CO2?
baherus [9]

Answer:

One gram of carbon dioxide contains 13.6 x 10²¹ number of molecules.

Explanation:

4 0
2 years ago
Read 2 more answers
Other questions:
  • 2. Aqueous lead (II) nitrate reacts with aqueous potassium chloride and produces
    13·1 answer
  • A hot metal plate at 150°C has been placed in air at room temperature. Which event would most likely take place over the next
    14·1 answer
  • Which statement describes how chemical formulas, such as H2O, represent compounds
    8·2 answers
  • At 10 K Cp,m(Hg(s)) = 4.64 J K−1 mol−1. Between 10 K and the melting point of Hg(s), 234.3 K, heat capacity measurements indicat
    14·1 answer
  • What is the mass of substance that exactly fills a 247.2 mL container? The density of the substance is 0.81 g/mL. Give the answe
    12·1 answer
  • The chemical composition of a compound is expressed as its ________
    9·1 answer
  • What method would be best for separating the components of a mixture that is made from two different liquids
    10·1 answer
  • Which refers to a material that causes a wave to bounce off of it?
    11·2 answers
  • What is the volume, in liters, of 1.4 moles of CO2 gas at STP?
    7·1 answer
  • What part of a plant contains the gametes?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!