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
Allushta [10]
3 years ago
15

A substance undergoes a change. Which statement indicates that the change was a chemical change?

Chemistry
1 answer:
romanna [79]3 years ago
5 0

Answer:

Chemical change is represented by change in smell, temp., presence of gaseousness/bubbles, and change in color

You might be interested in
Which of the following do you expect to have soil with the highest fertility
Andrej [43]
It would help if I could see the specific answer choices, but an environment that would have lots of oxygen, water, decaying organisms and sunlight would be the answer (ex. the forest or riverbed)
7 0
3 years ago
3. Why does å star begin shining?
steposvetlana [31]

Answer:

a star shines due to thermonuclear fusion

Explanation:

8 0
3 years ago
Read 2 more answers
Can someone please help me come up with a hypothesis for an experiment?
m_a_m_a [10]
I believe that sugar will desolve the fastest because of the room temperature
5 0
3 years ago
Who invented Microscope​
Anit [1.1K]

Answer:

Zacharias Janssen

3 0
3 years ago
Read 2 more answers
The density of solid ni is 8.90 g/cm3. how many atoms are present per cubic centimeter of ni
bulgar [2K]
Density gives mass of object per volume......   Here, density is given 8.90 g/cm3   therefore, per cubic centimeter contains 8.90 g Ni.   mole of Ni = mass / atomic mass   = 8.90 / 58.6934   = 0.1516 mole     number of atoms: mole * 6.022 * 10^23   = 0.1516 * 6.022 * 10^23   = 0.9129 * 10^23   = 0.9 * 10^23 (approx.)
7 0
3 years ago
Other questions:
  • Caila designs a model to test how the use of different combinations of energy resources would affect global temperatures. Which
    7·2 answers
  • Why is water a very good substance for use in cooling systems of automobiles?
    9·1 answer
  • 2NH4Cl(s)+Ba(OH)2⋅8H2O(s)→2NH3(aq)+BaCl2(aq)+10H2O(l) The ΔH for this reaction is 54.8 kJ . How much energy would be absorbed if
    7·1 answer
  • A buffered solution containing dissolved aniline, c6h5nh2, and aniline hydrochloride, c6h5nh3cl, has a ph of 5.75.
    8·1 answer
  • What is the difference between traffic lights with red arrows and those with solid red lights?
    14·1 answer
  • Acetylene reacts with oxygen to form carbon dioxide and water according to the following unbalanced reaction:
    10·1 answer
  • how many grams of nahco3 (fm84.007) must be added ro 4.00g of k2co3 (fm 138.206) to give a ph of 10.80 in 500ml of water​
    10·1 answer
  • a ________ amino acid is likely to be found on the surface of a protein molecule, where it can link to other molecules.
    13·1 answer
  • Which activity is an example of chemical change?
    14·1 answer
  • If 6.49 mol of ethane (C2H6) undergo combustion according to the unbalanced equation
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!