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JulsSmile [24]
3 years ago
14

An element can be identified as either a ________, __________, or a __________

Chemistry
2 answers:
motikmotik3 years ago
5 0
Liquid or a solid :)

dexar [7]3 years ago
4 0
Solid, Liquid, or a Gas
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If you were givin 2.50 moles of.sodium bromide, how many grams of salt do you have
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Explanation:

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One difference between strong bases and weak bases is 1. strong bases can neutralize more acid than weak bases. 2. strong bases
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One difference between strong bases and weak bases is that a strong bases dissociate completely while weak bases do not. A strong base is a compound that completely ionizes into metal and hydroxide ions when in a solution, on the other hand weak bases only partially ionizes to metal and hydroxide ions in solution. An example of a weak base is ammonia and an example of a strong base is sodium hydroxide.
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What is bio diversity
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How to do dimensional analysis chemistry with moles?
almond37 [142]
Moles are a unit of measure used to convert between different quantities like grams, molarity or volume.

Dimensional analysis is doing math with units. They multiply, divide and cancel out just like numbers. This is why like for area of a rectangle: 2m × 3m = 6m² is in units of distance squared and volume is in units of distance cubed.

Example Chemistry question.
Now, say you have 10 grams of NaCl salt that is added to 1 L water and you want to know the concentration. You would look at the periodic table and find the atomic mass of both Sodium (Na = 23 g/mol) and Chloride (Cl = 35.5 g/mol).

Once you have the atomic mass of both elements add them together to get the atomic mass of the compound NaCl = 23 g/mol + 35.5 g/mol = 58.5 g/mol

set up the multiplication so that grams cancels out during multiplication. Like so ....
10 g *  \frac{1mol}{58.5g} = 0.17 mole..NaCl

Grams cancel leaving moles NaCl. The concentration of the solution, molarity = moles/liter
Divide 0.17 moles NaCl by 1 Liters = 0.17 Molarity NaCl

Hope this helps, let me know if you have any questions.

3 0
3 years ago
What information is obtained from radioactive dating?
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Third choice.

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The age of an object that was once living. More accurately this is obtained by radiocarbon dating, which is a form of radiometric dating.

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