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
Korolek [52]
3 years ago
14

What is the name for a substance that cannot be separated into simpler substances ?

Chemistry
2 answers:
Mnenie [13.5K]3 years ago
7 0
Elements!
Compounds, alloys and mixtures all are made up of many different elements
Delicious77 [7]3 years ago
4 0

Answer:a element

Explanation:

You might be interested in
Among timber, wind, and oil, which is a fossil fuel and which is not?
Cloud [144]

Answer:

Oil is a fossil fuel and timber or wood and wind is not. Hope this helps!

5 0
2 years ago
Read 2 more answers
Using the chemical equation below, how many moles of Al2O3 produce when 105 grams of Al are reacted? 2Al+Fe2O3 —> Al2O3+2Fe
topjm [15]

Answer:

1.94

Explanation:

moles = mass/Mr so you have 3.889 moles of aluminium, but because the ratio in the equation is 2:1 you need to halve it.

4 0
3 years ago
Which change is most likely to occur when a molecule of H2 and a molecule of I2 collide with proper orientation and sufficient e
bazaltina [42]
The collision of the molecules between the hydrogen molecule or H2, and an iodine molecule or I2, provided there would be a sufficient energy is that the system would eventually undergo a chemical change wherein a new chemical compound would be formed from these two molecules.
8 0
3 years ago
Read 2 more answers
Which half-reaction correctly represents reduction? *
nasty-shy [4]

Answer:

C

Explanation:

Reduction can be seen through addition (gaining) of electrons, addition of Hydrogen or removal of Oxygen

Mn7+ is reduced to Mn4+ by the addition of 3 electrons.

3 0
3 years ago
URGENTE!!!!!!!!!!!!!!
yawa3891 [41]

Answer:

English language please give me a

3 0
3 years ago
Other questions:
  • Calculate the equilibrium constants K’eq for each of the following reactions at pH 7.0 and 25oC, using the ∆Go’ values given: (a
    6·1 answer
  • Which of the following is a n o n i n f e c t i o u s disease that affects the respiratory system a influenza b cold c asthma d
    9·1 answer
  • Aluminum reacts with chlorine gas to produce aluminum chloride according to the following equation. Al + Cl2 → AlCl3 Which of th
    11·2 answers
  • Two atoms of the same substance wi the different numbers of neutrons are called what
    14·1 answer
  • A patient taking _______ would have a history of mental depression.
    10·1 answer
  • Carbon atoms can be identified based on the # of which subatomic particles
    7·1 answer
  • Explain in 2-4 sentences what the difference between climate and weather is
    12·2 answers
  • 9. A helium-filled balloon has a volume of 50.0 L at 25°C and 820.8mmHg atm. What pressure will it have
    11·1 answer
  • If an equal number of moles of the weak acid HF and the strong base KOH are added to water, is the resulting solution acidic, ba
    9·1 answer
  • Science
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!