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Andru [333]
3 years ago
13

An electron is a particle with a ____.

Physics
2 answers:
Dahasolnce [82]3 years ago
4 0

A beta particle. Hoped I help. Sorry if it wrong.

Mkey [24]3 years ago
3 0

An electron is a particle with a<em> negative electrical charge of  1.6 x 10⁻¹⁹ Coulomb </em>and <em>about 9.1 x 10⁻³¹ kg of mass</em>.

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Write a hypothesis why the moon has very little liquid water.
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3 years ago
calculate the mass of potassium chlorate (kcio3) required to obtain 10g of oxygen in the following reaction:kclO3-kcl+O2​
igor_vitrenko [27]

First, balance the reaction:

_ KClO₃   ==>   _ KCl + _ O₂

As is, there are 3 O's on the left and 2 O's on the right, so there needs to be a 2:3 ratio of KClO₃ to O₂. Then there are 2 K's and 2 Cl's among the reactants, so we have a 1:1 ratio of KClO₃ to KCl :

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Since we start with a known quantity of O₂, let's divide each coefficient by 3.

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Next, look up the molar masses of each element involved:

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Convert 10 g of O₂ to moles:

(10 g) / (31.998 g/mol) ≈ 0.31252 mol

The balanced reaction shows that we need 2/3 mol KClO₃ for every mole of O₂. So to produce 10 g of O₂, we need

(2/3 (mol KClO₃)/(mol O₂)) × (0.31252 mol O₂) ≈ 0.20835 mol KClO₃

KClO₃ has a total molar mass of about 122.549 g/mol. Then the reaction requires a mass of

(0.20835 mol) × (122.549 g/mol) ≈ 25.532 g

of KClO₃.

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2 years ago
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slavikrds [6]

Answer:

answer

Explanation:

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M =MASS

C^2= SPEED OF LIGHT SQUARED

8 0
3 years ago
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