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ale4655 [162]
3 years ago
12

John Dalton believed that:

Chemistry
2 answers:
erma4kov [3.2K]3 years ago
5 0

Its 100% B. my dude because the atomic theory doesn't state anything else

Xelga [282]3 years ago
3 0

Answer:

Chemical changes are the result of different atomic combinations.

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What do isotopes have in common
alexira [117]

Answer:

Isotopes are atoms of the same element that have different numbers of neutrons but the same number of protons and electrons. The difference in the number of neutrons between the various isotopes of an element means that the various isotopes have different masses.

(if this help pls mark as brainliest :))

6 0
3 years ago
Read 2 more answers
Question 1. Considering the reaction of the decomposition of N2O5 to form the products NO2 and O2, calculate the average reactio
GalinKa [24]
<span>
 </span><span> average reaction rate </span><span>= change in concentration / change in time
by putting values we have

 = (1.00M - 0.987M) / (4.00s - 0.00s)
 = 3.25x10^-3 mol/Lsec
this is our conclusion
hope this helps</span>
7 0
3 years ago
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What element has these characteristics MgX2, Very low density, Highly reactive, Diatomic
Kruka [31]
Copper has all those characteristics and even works on a Notatem scale.
4 0
3 years ago
Which property determine am atoms ability to attract electrons shared in a chemical bond?
brilliants [131]
Hello there!

Electronegativity is what determine's an atoms ability to attract electrons shared in a chemical bond.Ionization, atomic radius, and also <span> ionic radius both would not determine this as they wouldn't have any similar bond that would attract.
</span><span>
Your correct answer would be (option c)

</span><span>A. ionization 

B. atomic radius

C. electronegativity

D. ionic radius

I hope this helps you!</span>
8 0
3 years ago
Enter a balanced equation for the complete combustion of liquid C3H7OH. Express your answer as a chemical equation. Identify all
Vlad1618 [11]

2 C₃H₇OH (l) +  9 O₂ (g) → 6 CO₂ (g) + 8 H₂O (g)

Explanation:

To balance the chemical equation the number of atoms of each element entering the reaction have to be equal to the number of atoms of each element leaving the reaction, in order to conserve the mass.

Bellow we have the balanced chemical equation of the complete combustion of C₃H₇OH:

C₃H₇OH (l) +  (9/2) O₂ (g) → 3 CO₂ (g) + 4 H₂O (g)

to have integer coefficients  we multiply the reaction with 2:

2 C₃H₇OH (l) +  9 O₂ (g) → 6 CO₂ (g) + 8 H₂O (g)

where:

(l) - liquid

(g) - gaseous

Learn more about:

combustion reaction

brainly.com/question/9425444

balancing chemical equations

brainly.com/question/13941483

#learnwithBrainly

7 0
3 years ago
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