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vekshin1
3 years ago
15

Entrance Question: What is a physical trait? Explain using complete sentences.

Chemistry
1 answer:
azamat3 years ago
6 0

Answer: A physical trait is a defining aspect or feature of your body or other subject that you can see visually.

Explanation:

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Please answer, please answer please answer please answer<br>my last 2 chemistry question. ​
scoundrel [369]

Answer:

1. filtration and evaporation

2. i) water is added to the sand and salt mixture

ii) then the mixture is filtrated and so the sand and the salt water was seperated

iii) the salt water is heated with the help of burner until the water gets evaporated

iv) after the water gets evaporated, the salt is remained in the container

3. observation:

  • on adding water to the mixture, the salt is completely dissolved in the water
  • when filtrated the sand is seperated from the salt water
  • now the salt water when heated with the burner until the evaporation, the water is evaporated
  • the salt is precipitated and remained in the container

4. cautions:

  • while using the burner, we should be cautious with fire
  • the container that is heated should be holded with the help of a cloth to avoid heat
7 0
3 years ago
HELPPP ILL MARK BRAINLIEST!!!! PLS ITS DUE RIGHT NOW!
kobusy [5.1K]

Q. How many molecules of H2O can be produced from reactants in container below?

A. 3 molecule of molecules H2O will be produced from reactants in container.

<em><u>Explanation</u><u>:</u></em>

There are seven molecules of H2 and three molecule of O2 are there in the container Q, 6 molecules of H2 will react with 3 molecules of O2 to produce 3 molecules of H2O. One molecule of Hydrogen will not take part in reaction and will be present in container Q after then reaction, and the mass in overall reaction is conserved!

<em><u>Thanks for joining brainly community!</u></em>

8 0
2 years ago
Which statement can best be concluded from the ideal gas law?
schepotkina [342]
The temperature, pressure and volume of a gas are all related
5 0
3 years ago
Read 2 more answers
A certain compound is made up of one phosphorus (P) atom, three chlorine (Cl) atoms, and one oxygen (O) atom. What is the chemic
Lostsunrise [7]
Phosphorus (5+), can have 5 bonds. It will have a double bond with Oxygen (2-) and single bonds with Chlorine (1-)

POCl3

* the 3 is a subscript
6 0
3 years ago
How do you prove law of conservation of mass??
Cerrena [4.2K]
The Law of Conservation of Mass<span> states that </span>matter <span>can neither be created nor destroyed in a chemical reaction.</span>
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3 years ago
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