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ale4655 [162]
3 years ago
5

How do i make a friend?

Chemistry
2 answers:
strojnjashka [21]3 years ago
6 0

Be nice to the person you want to be your friend, later on ask if they want to be friends.

Diano4ka-milaya [45]3 years ago
3 0
Ask someone to be your friend. If they dont want to be your friend then ask someone else. 

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How does the temperature of absolute zero relate to the kinetic energy of a substance's molecules?
skelet666 [1.2K]

Answer:

I will say D. The molecules become arranged into regular cubic arrangement. but i'm not 100% sure

Explanation:

8 0
3 years ago
What is the net ionic equation for the reaction if any that occurs when aqueous solutions of Na2CO3 and HCL are mixed?
strojnjashka [21]

Answer:

CO₃²⁻(aq)  +  2H⁺(aq) → CO₂ (g)  + H₂O (l)

Explanation:

The balanced reaction between Na2CO3 and HCl is given as;

Na₂CO₃ (aq) + 2 HCl (aq) → 2 NaCl (aq) + CO₂ (g) + H₂O (l)

The next step is o express the species as ions.

The complete ionic equation for the above  reaction would be;

2Na⁺(aq)  + CO₃²⁻(aq)  +  2H⁺(aq)  + 2Cl⁻(aq)   → Na⁺(aq)  + Cl⁻(aq)  + CO₂ (g)  + H₂O (l)

The next step is to cancel out the spectator ion ions; that is the ions that appear in both the reactant and product side unchanged.

The spectator ions are;  Na⁺ and Cl⁻

The net ionic equation is given as;

CO₃²⁻(aq)  +  2H⁺(aq) → CO₂ (g)  + H₂O (l)

7 0
3 years ago
How many protons electrons and neutrons does the isotope nitrogen 15 have
Ivenika [448]
Answer:

The atomic number of<span>N<span>157</span></span> 
The number of protons is 7
The number of electrons is 7
The number of neutrons is 8

Explanation:

The atomic number of Nitrogen is 7 because Nitrogen has 7 protons. 
The seven protons attract 7 electrons in the ground state.

If the atom had fewer or more than 7 protons the atom would not be Nitrogen.

The mass of the atom is the sum of protons and neutron. so

p + n = mass ( protons (p) and neutrons(n) both have an atomic mass of one

7 + n = 15 subtract 7 from both sides

<span>7−7+n=15−7</span>

n = 8

4 0
3 years ago
What is calorimeter​
inysia [295]

Answer:

A calorimeter is an apparatus for measuring the amount of heat involved in a chemical reaction or other process.

3 0
3 years ago
Read 2 more answers
Object is placed on a triple beam balance, and a student moves the sliders until it is balanced with the pointer resting at the
Sveta_85 [38]
The answer is A I hope this helps :)
4 0
3 years ago
Read 2 more answers
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