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SSSSS [86.1K]
3 years ago
9

Nuclear energy could come from

Chemistry
1 answer:
lianna [129]3 years ago
5 0
Nuclear energy comes from splitting of Barium atom to form Krypton atom
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What is the volume of a liquid that has a density 3.65g/ml and a mass of 5.61g
Lorico [155]

Answer:

<h2>1.54 mL</h2>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

volume =  \frac{mass}{density} \\

From the question we have

volume =  \frac{5.61}{3.65}  \\  =1.536986...

We have the final answer as

<h3>1.54 mL</h3>

Hope this helps you

3 0
3 years ago
How many cm in 725 km?
tigry1 [53]
1 km is equal to 100,000 cm
725km \times 100000cm \\  = 72500000 \: km .cm
and you need to divide it to 1 km so that you can get rid of the km.
= 72500000cm
5 0
3 years ago
What are the two different ions present in the compound al(no3)3?
Aleks [24]

Al^{3+} and NO_3^{-}

Aluminum nitrate is an ionic compound, meaning that it is made up cations and anions. By convention when writing the formula for an ionic compounds the cation part shall be placed in front the anions. Thus the cation would contain aluminum and the anion shall be a polyatomic nitrate ion consisting of nitrogen and oxygen. The bracket with subscript 3 attached resembles the ratio between the two species, aluminum ions and nitrate ions. For each aluminum ion in the compound there shall be three corresponding nitrate ions.

Aluminum form ions of charge +3 whereas nitrate ions are of charge -1. Write the charge of the ion as the superscript in reverse (i.e., write 3+ as in Al^{3+} and - in NO_3^{-}, omitting any 1.)

5 0
3 years ago
Why is it important to monitor pH levels in natural bodies of water?
AleksandrR [38]

Answer:

Since pH can be affected by chemicals in the water, pH is an important indicator of water that is changing chemically

Explanation:

pH is really a measure of the relative amount of free hydrogen and hydroxyl ions in the water. Water that has more free hydrogen ions is acidic, whereas water that has more free hydroxyl ions is basic

3 0
3 years ago
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The graph above shows how the price of cell phones varies with the demand quantity. The equilibrium price for cell phones is ___
elena-s [515]

It's this one $100, 5,000

8 0
3 years ago
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