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Sergio039 [100]
3 years ago
12

Balanced equation for solid magnesium oxide

Chemistry
1 answer:
Y_Kistochka [10]3 years ago
3 0

Answer:

Mg + O2 → MgO

Explanation:

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When 2.35 g of potassium reacts with excess water, what mass of hydrogen gas is formed?
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Which macro nutrient is made up of carbon and hydrogen elements join together in long groups called hydrocarbons?
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Which change of state is shown in the model?
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I believe the change of state shown in the model is deposition. 
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A gas originally at 27 °c and 1.00 atm pressure in a 2.6 l flask is cooled at constant pressure until the temperature is 11 °c.
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V/T = k
where V - volume T - temperature and k - constant 
\frac{V1}{T1} =  \frac{V2}{T2}
parameters for the first instance are on the left side of the equation and parameters for the second instance are on the right side of the equation
T1 - temperature in Kelvin - 27 °C + 273 = 300 K
T2 - 11 °C + 273 = 284 K
substituting the values in the equation 
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8 0
3 years ago
Mixing salt with water is an example of a _________change. *<br> physical change<br> chemical change
SIZIF [17.4K]

Answer:

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Explanation:

no chemical reaction is happening

6 0
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