It's formed by the hydrogen ion of the acid and the hydroxide of the base.
Sulfuric Acid + potassium superoxide --> Potassium Sulfate + Heavy Water
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2-butene - it is an alkene so it contains a double bond
2-methylbutane - it is an alkane so it contains only single bonds
2-butyne - it an alkyne so it contains a triple bond
Explanation:
You may find the structural formulas of the compounds in the attached picture.
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structure of organic compounds
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After 160 years, the activity level of the sample will be 0.5 curies.
<h3>What is half-life?</h3>
Half life of any radioactive waste is the half decay of that product.
The formula is
Where, λ is 4 cruies
λ1 is 0.5 cruies
b = 40 years
Putting the values in the equation
Thus, the correct option is 160 years.
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Answer:
12.7mol Na.
Explanation:
Hello there!
In this case, according to the concept of mole, which stands for the amount of substance, we can recall the concept of Avogadro's number whereby we understand that one mole of any substance contains 6.022x10²³ particles, for the given atoms of sodium, we can calculate the moles as shown below:
Thus, by performing the division we obtain:
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