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V125BC [204]
3 years ago
14

How many grams of chlorine are required to react with 5.00 moles of sodium to produce sodium chlorine?

Chemistry
2 answers:
Dominik [7]3 years ago
6 0

Answer:

177.25g of Cl

Explanation:

First, lets come up with the reaction: Na + Cl --> NaCl

There is a 1:1 ratio between sodium and chlorine. Thus, you need 5 moles of chlorine as well. 5 * Molar mass will you give you the grams needed.

5 * 35.45 = 177.25g of Cl

Oduvanchick [21]3 years ago
5 0

Answer:

2.5 mol Cl2 will react with 5 mol Na.

Explanation:

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Which part of atom is responsible for chemical bonding
yulyashka [42]

Answer:

electrons are responsible for the chemical bonding

6 0
3 years ago
Can you guys give some science fair project ideas(8th grade)
Anton [14]
Answer
i’m in 7th grade but for this years science fair i did, “ how does temperature affect the elasticity of rubber bands”

Guide a growing plant through a maze.
8th Grade Science Plant Maze KiwiCo

Prove that plants really do seek out the light by setting up a simple or complex maze. This is a simple 8th grade science project with really cool results.

Blow out a candle with a balloon.


Blowing up a balloon with baking soda and vinegar is the classic acids and bases experiment. Take it a step further by experimenting with the carbon dioxide it produces. (Don’t be afraid of fire in the science

Stand on a pile of paper cups.


Combine physics and engineering and challenge 8th grade science students to create a paper cup structure that can support their weight. This is a cool project for aspiring architects.

hope this helps and have a wonderful day :)
5 0
3 years ago
what is the half life isotope if after 21 days you have 31.25 g remaining from a 250.0 g starting sample size?
alexgriva [62]

250 --> 125 --> 62.5 --> 31.25


each arrow equals one half life, so 3 half lives


14 days/ 3 half lives =


4.67 days = half life

3 0
3 years ago
Identify the oxidizing agent and the reducing agent for 4Li(s) + O_2 (g) to 2Li_2O(s).
wolverine [178]

Answer: Li is the reducing agentg and O is the oxidizing agent.

Explanation:

1) The oxidizing agent is the one that is reduced and the reducing agent is the one that is oxidized.

2) The given reaction is:

4Li(s) + O₂ (g) → 2 Li₂O(s)

3) Determine the oxidation states of each atom:

Li(s): oxidation state = 0 (since it is alone)

O₂ (g): oxidation state = 0 (since it is alone)

Li in Li₂O (s) +1

O in Li₂O -2

That because 2× (+1) - 2 = 0.

4) Determine the changes:

Li went from 0 to + 1, therefore it got oxidized and it is the reducing agent.

O went from 0 to - 2, therefore it got reduced and it is the oxidizing agent.

7 0
3 years ago
Read 2 more answers
deduce the chemical formula of strontium chloride, if 264g of strontium react with 213g of chloride?​
zheka24 [161]
Strontium and chlorine react to form strontium chloride with the formula SrCl2.
3 0
2 years ago
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