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Dmitriy789 [7]
3 years ago
6

Do nonliving things have cells

Chemistry
2 answers:
padilas [110]3 years ago
8 0
Some non-living things are<span> made up of dead </span>cells<span> of once-</span>living organisms<span>, but most </span>non-living things are<span> not made up of </span>cells<span>. Unless the object comes directly from a </span>living thing<span>, though, it's unlikely to be made up of intact </span>cells<span>.</span>
OLEGan [10]3 years ago
4 0
Nonliving thing doesn’t have cell
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Nitric acid (HNO3) is used in the production of fertilizer, dyes, drugs, and explosives. Calculate the pH of a HNO3 solution hav
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Answer:

pH of HNO₃ having an hydrogen ion concentration of 0.71M is 0.149

Explanation:

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The pH is defined as the negative log of the hydrogen ion concentration

pH = - log [H⁺]

From the question, the hydrogen ion concentration is given as 0.71M, therefore

pH = -log [0.71]

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What is the percent by mass of Fluorine in Nitrogen triflouride NF3?
Kipish [7]

Answer:

The answer to your question is 80.3%

Explanation:

Data

Percent by mass of F

molecules NF₃

Process

1.- Calculate the molar mass of nitrogen trifluoride

molar mass = (1 x 14) + (19 x 3)

                    = 14 + 57

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2.- Use proportions and cross multiplications to find the percent by mass of F. The molar mass of NF₃ is equal to 100%.

                       71 g of NF₃ ------------------ 100%

                       57 g of F   ------------------- x

                            x = (57 x 100)/71

                            x = 5700 / 71

                            x = 80.3%

3.- Conclusion

Fluorine is 80.3% by mass of the molecule NF₃

           

3 0
3 years ago
Imagine that you helped to discover a new element; A=302;Z=119. How many protons, electrons, and neutrons are in each atom it th
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Explanation:

Given that,

Mass number, A = 302

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We know that, atomic number = no of protons

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Mass no. = No. of neutrons + No. of protons

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No. of neutrons = 302 - 119

= 183

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= 119

5 0
3 years ago
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