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aniked [119]
3 years ago
8

What is the charge on an electron? ​

Chemistry
1 answer:
Over [174]3 years ago
5 0

Answer:

Electrons have a negative charge

hope this was helpful (plz vote brainliest, I would appreciate it!) :)

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2. Which of the following is the term used to describe a body's resistance to a change in motion? A. Inertia B. Acceleration C.
Vanyuwa [196]
Helpppo meeee pleasee
4 0
2 years ago
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Dovator [93]

Answer:

5 × 10^-4 L

Explanation:

The equation of the reaction is;

2KClO3 = 2KCl + 3O2

Number of moles of KClO3 = 13.5g/122.5 g / mol = 0.11 moles

From the stoichiometry of the reaction;

2 moles of KClO3 yields 3 moles of O2

0.11 moles of KClO3 yields 0.11 × 3/2 = 0.165 moles of oxygen gas

From the ideal gas equation;

PV= nRT

P= 85.4 × 10^4 KPa

V=?

n= 0.165

R= 8.314 J K-1 mol-1

T= 40+273 = 313K

V= 0.165 ×8.134 × 313/85.4 × 10^4

V=429.4/85.4 × 10^4

V= 5 × 10^-4 L

3 0
3 years ago
What is the molarity of a solution if 300.0 ml of it contains 16.8 g of kno3? [formula weight: kno3, 101.11 amu]?
AVprozaik [17]
The molarity is count by dividing the mole of the solute within 1 liter of solvent. In this case, the KNO3 is 16.8g with 101.11 g/mol molar mass. Then we need to find the mol first. The calculation would be: 16.8g / (101.11g/mol)= 0.0166 mol.

Then the molarity would be: 0.0166mol/ 0.3l= 0.0498= 0.0553 M
6 0
3 years ago
Read 2 more answers
HELP I DON'T HAVE LONG LEFT AND I'M STRUGGLING SO BAD PLEASE I BEG U TO HELP
vivado [14]
I think it’s oxygen and carbon
8 0
2 years ago
What is the most significant breakthrough in forensic science since the development of fingerprinting?
andreyandreev [35.5K]
DNA testing which I think is the largest breakthrough.
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3 years ago
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