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ANEK [815]
3 years ago
10

Both equations I and II are balanced, but equation I is the correct way to write the balanced equation.

Chemistry
1 answer:
ElenaW [278]3 years ago
5 0
I don’t get the question. is there a worksheet?
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If it requires 37.5 mL of a 0.245 M HBr solution to neutralize 18.0 mL Mg(OH)2, what is the concentration of the Mg(OH) 2 soluti
xenn [34]
2 HBr + Mg(OH) 2 yields Mg(Br) 2 + 2 H2O
M1V1 = M2V2
(0.245 M)(37.5 mL) = (M2)(18.0 mL)
9.1875 = (M2)(18.0 mL)
9.1875/(18.0 mL) = (M2)(18.0 mL)/(18.0 mL)
0.51041
this is not the complete answer as the mol to mol ratio must be considered!
For every 2 mols of HBr there is 1 mole of <span>Mg(OH)2; ratio = 2:1
</span>0.51041 / 2 = 0.25520
M2 = 0.25520
0.25520 M of<span> Mg(OH)2 solution</span>
7 0
4 years ago
Power is the rate at which energy is?
Mrrafil [7]
In physics, power is the rate of doing work. It is the amount of energy consumed per unit time. Having no direction, it is a scalar quantity. In the SI system, the unit of power is the joule per second (J/s), known as the watt in honour of James Watt, the eighteenth-century developer of the steam engine.
6 0
3 years ago
Why do we study properties of matter
Evgesh-ka [11]

Answer:

The properties of matter include any traits that can be measured, such as an object's density, color, mass, volume, length, malleability, melting point, hardness, odor, temperature, and more. We need to study all these traits since every single object around us, including us, is made of matter. Without matter we wouldn't exist; it would be infinite darkness everywhere.

8 0
3 years ago
While out on a hike, you find an unknown mineral. how would test the mineral to find out what it is?
WARRIOR [948]
You can find out what mineral it is when you bring it with you after you hike. You can bring it to a laboratory that specializes on mineral rocks for testing. They know what they should do to find out what it is. Hope this helps. Have a nice day. 
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4 years ago
What is the equation for potassium chloride
Lina20 [59]
The equation for this is:
<span>KCl</span>
7 0
3 years ago
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