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kirill115 [55]
3 years ago
15

12) Which model of the atom is thought to be true?

Chemistry
1 answer:
Oxana [17]3 years ago
5 0

Answer:

B

Explanation:

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Balance the reaction. A coefficient of "1" is understood. Choose option "blank" for the correct answer if the coefficient is "1.
Ilia_Sergeevich [38]

Answer:

2H₂O₂ → 2H₂O + O₂

Explanation:

H₂O₂ → H₂O + O₂

The above equation can be balance as illustrated below:

H₂O₂ → H₂O + O₂

There are 2 atoms of O on the left side and a total of 3 atoms on the right side. It can be balance by putting 2 in front of H₂O₂ and 2 in front of H₂O as shown below:

2H₂O₂ → 2H₂O + O₂

Now, the equation is balanced.

**** check ****

Element >>> Left Side >>> Right Side

H >>>>>>>>> 4 >>>>>>>>> 4

O >>>>>>>>> 4 >>>>>>>>> 4

6 0
3 years ago
WHAT DID YOU OBSERVE HAPPENED WHEN AN S-WAVE TRAVELED INTO A LIQUID?
alexgriva [62]
It will spread out making the sound travel faster then it usually does in the air(i think) let me know if you need help with anything else
8 0
3 years ago
A 6.00 L container of N_2 has a temperature of 273 K. Calculate the volume if the temperature is doubled.
vfiekz [6]
V1/T1 =V2/T2 (using charles law)

V1=6.00
V2=?
T1=273
T2=273

Making V2 the subject of formula the equation then becomes

V2= V1xT2/T1

6.00x263/273=6.0L
4 0
2 years ago
A leaf change color is evidence of which type of chemical change?
garri49 [273]

Answer:

changes like leaves turning color in the fall are chemical changes. They involve chemical reactions. Bonds break in chemicals and new bonds form. Substances change into new chemical compounds.

Explanation:

6 0
3 years ago
How maby electrons fill an orbit
Luden [163]
Each can hold two electrons
5 0
3 years ago
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