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
Nikitich [7]
3 years ago
6

BRAINLIESTTT ASAP!!! PLEASE ANSWER!

Chemistry
2 answers:
zmey [24]3 years ago
7 0

Physical characteristics include change in shape, size, texture, color, smell, density, boiling/melting point, solubility, etc., so any change with those properties would be proof of a physical reaction.

sladkih [1.3K]3 years ago
4 0

If the item or substance has changed into a state where you are able to change it back such as:

Water melting

Water freezing

You might be interested in
What is keq for the reaction 2so2(g) + o2(g) 2so3(g)? apex?
Dennis_Churaev [7]
The  keg for the reaction
2  SO2(g) + O2(g)   →  2  SO3(g)  is

 Keg =  [SO3]^2/ {(SO2)^2 ( O2)}

Keg (equilibrium constant)  is the ratio of  of equilibrium  concentration  of the product   raised  to the power  of their  stoichiometric  coefficient  to the  equilibrium  concentration  of the reactant  raised  to the power  of  their stoichiometric  coefficient.

7 0
3 years ago
Read 2 more answers
What is the oxidation number of nitrogen in the nitrate ion NO31−?
ahrayia [7]

In No3-1 the oxidation number of oxygen is -5 so oxidation number of N would be +5

8 0
3 years ago
Read 2 more answers
How many grams of H2 are needed to react with 2.40 g of N2?
Georgia [21]
Is there an equation? I can't help if there's no equation involved.
5 0
3 years ago
Is the chemical equation CH4 +202 + 2H2O + CO2 balanced?
Soloha48 [4]

Answer:

I think C

Explanation:

because hydrogen on the right side only have two while on the left side it have 4

5 0
3 years ago
Read 2 more answers
Whose work directly resulted in the development of an atomic model that has negative electrons stuck within a sea of positive ma
miskamm [114]

Answer: Thomson

Explanation: It verified J. J. Thomson's work on the atomic structure.

3 0
3 years ago
Read 2 more answers
Other questions:
  • Objects get their colors from reflecting only certain wavelengths when hit with white light. Light reflected from a green leaf i
    8·1 answer
  • Americium-241 is a radioactive substance used in smoke detectors. The half life of americium is 432 years. If a smoke detector i
    14·1 answer
  • What happens when magma cools either underground or on the surface and hardens?
    8·2 answers
  • How many calories of are required to heat 731 grams of water from 35°c to 83°c? (assume that the specific heat of water is 1.00
    12·2 answers
  • Which statement identifies a characteristic of a scientific theory?
    8·1 answer
  • If you guys don’t mind can you explain to me why u think it’s either A, b, c, d plz and thank you
    13·1 answer
  • What mass of H2SO, is required to react completely with 50.0 grams of ammonia (NH3)?​
    7·1 answer
  • Explain why liquid freshwater is considered a limited resource.
    14·1 answer
  • Zamir and Talia raced through a maze. Zamir walked 2 m north, 2 m east, 4 m south, 2 m east, 4 m north, 2 m east, 3 m south, 4 m
    13·2 answers
  • I need help question 13
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!