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Neporo4naja [7]
2 years ago
6

How many nucleons are in an Iodine element? Okay

Chemistry
1 answer:
Lady_Fox [76]2 years ago
3 0

Answer:

there are 74

Explanation:

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Calculate the number of moles in 23.8 grams of Nitrogen, N.
Vlad1618 [11]

Answer:

n = 1.7 moles

Explanation:

Given mass, m = 23.8 grams

Molar mass of Nitrogen = 14 g/mol

Let there is n number of moles. We know that,

No. of moles = given mass/ molar mass

n=\dfrac{23.8}{14}\\\\n=1.7

So, there are 1.7 moles in 23.8 grams of Nitrogen.

8 0
2 years ago
An acid-base reaction will always produce water and which one of the
Nonamiya [84]

Answer: Option D) Salt

Explanation:

An example of acid-base reaction is

HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l)

Acid + base → Salt + Water.

Here, water H2O and salt, NaCl are produced.

Usually, the acid, aqeous HCl reacts completely with an appropriate amount of the base, aqueous NaOH to produce salt, aqueous NaCl and water, liquid H2O only, in a process also known as neutralization reaction

8 0
3 years ago
What colors would an artificial plant-growth light favor to promote plant growth effectively?
Semenov [28]
Red and blue but im not sure abt the percentage.
3 0
3 years ago
Calorimeter containing 1000 grans of water the initial temperature of water is 24.85 degrees . the heat of water is 4.184 j/g de
kvasek [131]
<h3><u>Answer;</u></h3>

10.80 ° C

<h3><u>Explanation;</u></h3>

From the information given;

Initial temperature of water =  24.85°C

Final temperature of water = 35.65°C

Mass of water = 1000 g

The specific heat of water ,c = 4.184 J/g °C.

The heat capacity of the calorimeter  = 695 J/ °C

Change in temperature ΔT = 35.65°C - 24.85°C

                                             = 10.80°C

3 0
3 years ago
I need help with number 4 I mean k think I'm right
adell [148]
Its b because it explains it better than a waterfall does
5 0
3 years ago
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