What are some non examples of acid.

Chemistry

1 answer:

Harlamova29_29 [7]2 years ago

4 0

Answer:Tennis ball?

Explanation:

Well, an example would be DNA so a non-example could be a tennis ball. Or anything that isn't nucleic acids like lipids, perhaps.

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According to the following reaction, how many grams of sodium chloride will be formed upon the complete reaction of 25.6 grams o

kompoz [17]

Answer:

9.99 grams of NaCl

Explanation:

First, it has to be considered that the elemental form of halogens (like chlorine and iodine) are diatomic molecules. So, we can re-write the reaction as follows:

Cl2(g) + NaI(s) --> NaCl(s) + I2(s)

And then, if we balance the equation we will get the following:

Cl2(g) + 2NaI(s) --> 2NaCl(s) + I2(s)

So if we have enough Cl2(g) (as stated by the question in the part: "with excess chlorine gas"), 2 moles of NaI will produce 2 moles of NaCl. Considering the molar mass of NaI: 149.9 g/mol (Na=23, I=126.9) and applying a rule of three we can find out how many moles we have of NaI in 25.6 grams:

149.9 g --> 1 mol

25.6 g --> ? mol

? = 1.708x10^{-1} mol

So, if 2 moles of NaI produces 2 moles of NaCl, then 1.708x10^{-1} mol of NaI will produce 1.708x10^{-1} mol of NaCl

Now, we need to convert the moles of NaCl to grams using its molar mass: 58.5 g/mol (Na=23, Cl=35.5) and, as we did with NaI, we can apply a rule of three:

58.5 g --> 1 mol

? g --> 1.708x10^{-1} mol

? = 9.99 grams of NaCl

So, with the reaction of 25.6 grams of NaI (sodium iodide) with enough Cl2(g) (chlorine gas) we get 9.99 grams of NaCl (sodium chloride).

8 0

3 years ago

A blacksmith quenches a horseshoe by dropping the red-hot iron object into a bucket of cold water. How will the blacksmith know

ddd [48]

when it is in the water it will make a hissing sound, and when it is not not making the sound they know it can pulled out of the water. hope this helps :)

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3 years ago

How do organisms come to live o newly formed volcanic islands

Viktor [21]

Answer is: small animals, insects and seeds originating form nearby land masses come to new volcanic island blown over by winds, crashing on shore pushed by the waves. Birds come easy by flying. They adopt to new enviroment or evolve into the new species. This new species are unique.

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4 years ago

Determine the normality of the following solutions note the species of interest is H 95 g of PO4 3- in 100mL solution

Aliun [14]

Answer : The normality of the solution is, 30.006 N

Explanation :

Normality : It is defined as the number of gram equivalent of solute present in one liter of the solution.

Mathematical expression of normality is:

$\text{Normality}=\frac{\text{Gram equivalent of solute}}{\text{Volume of solution in liter}}$