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egoroff_w [7]
2 years ago
10

Copy and Complete these sentences to describe how particles are arranged in solids, liquids, and gases.

Chemistry
1 answer:
creativ13 [48]2 years ago
8 0

Answer:

soilds - close together  arranged in a regular way

liquids - close together  arranged in a random way

gases - far apart  arranged in a random way

Explanation:

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Also need to know some of this stuff
irinina [24]

Answer:

answers are in attachment

Explanation:

1. Synthesis Reaction: In this type of reaction multiple reactant combine to form a single product.

2. Decomposition Reaction: In this type of reaction single compound or reactant break down into new elements or compounds.

3. Replacement Reaction: In this type of reaction an element replace an element in a compound.

4. Even hydrogen is not a metal but it can act as metal in single replacement reaction.

5. In combustion reaction fuel react with oxygen and give heat and light that increase temperature of surrounding.

6. In in-complete combustion reaction fuel react with in-sufficient oxygen and give carbon monoxide and carbon in form of soot.

7. Base is a compound that liberate OH⁻ ion in water.

8. indicators have different color in acid and base depends on pH of the solution

9. Salt and water are the product of neutralization reaction

               NaOH + HCl = NaCl + H₂O

10. The pH of neutral solution is 7.  

6 0
3 years ago
Where did coper find​
ladessa [460]

Answer:

Copper is element number 29

4th row

11th column

6 0
2 years ago
Which parts of atoms can interact (react) to form chemical bonds?
EastWind [94]
The valence electrons are the parts of an atom that make interactions and make chemical bonds.
Every atom is made of three different components, a positively charged proton, neutrally charged neutron and negatively charged electron. The protons and the neutrons make up the atom's core and the electrons orbit around that core.
The electrons that orbit around the atom's core in its outer-most orbit (the one that is the furthest from the atom's core) can interact with electrons of other atoms, forming different kinds of chemical bonds.
If there is an exchange of the electrons (one atom donates its electrons to another atom), that results in forming of ions, then those two atoms can be linked in an ionic bond.
If an electron is shared between two atoms, then that bond is called a covalent bond.
3 0
3 years ago
A 2.741 g sample of a new organic material is combusted in a bomb calorimeter. the temperature of the calorimeter and its conten
lakkis [162]
(the heat bomb calorimeter gained)=(the heat material A gave)
r.h.s=25.57 kJ/⁰C * (26.80-24.33)= 63.16 kJ
2.741g of material A made 63.16kJ
the heat of combustion per gram = 63.16/2.741 kJ/g =24.04kJ/g
7 0
3 years ago
How do you know if a reaction is exothermic
melisa1 [442]
When there is heat released
7 0
3 years ago
Read 2 more answers
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