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o-na [289]
4 years ago
15

What does this chemistry question even mean?

Chemistry
1 answer:
nikitadnepr [17]4 years ago
8 0

Answer

1:1 is the answer.

Explanation:

All atoms want to fill their shell with electrons. You need to find the chemical compound.

Sulfur takes the two electrons from the magnesium to fill its 3p level.

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Water Erosion: Cause and Effect
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3 years ago
a metal weighing 50.0g absorbs 20.0j of heat when its temperature increases by 150.0°c . what is the specific heat of the metal
nadezda [96]

Answer:

2.677 J/g°C

Explanation:

Quantity of heat required to raise the temperature of the metal,

Q = mc∆T

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7 0
3 years ago
What is [h3o ] in a solution of 0.25 m ch3co2h and 0.030 m nach3co2?
Brilliant_brown [7]
Hello!

To determine [H₃O⁺], we need to apply the Henderson-Hasselback equation, since this is a case of an acid and its conjugate base:

pH=pKa+log( \frac{[A^{-}] }{[HA]} )

pH=4,76+log( \frac{0,030M}{0,25M} ) \\  \\ pH=3,84

Now, we use the definition of pH and clear [H₃O⁺] from there:

pH=-log[H_3O^{+}]

[H_3O^{+}] = 10^{-pH} =10^{-3,84}=0,00014 M

So, the [H₃O⁺] concentration is 0,00014 M

Have a nice day!
4 0
3 years ago
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