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ASHA 777 [7]
3 years ago
14

The stability of an isotope is based on its

Chemistry
1 answer:
lidiya [134]3 years ago
4 0

Answer:

It is believed that the stability of an isotope is based on the ratio of neutrons to protons.

+if this helped you, please consider marking it the Brainliest in order to help me unlock the next achievement.

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Can somebody please help me asap !!!
EastWind [94]

Answer:

Option A. 1191.49 K

Explanation:

Data obtained from the question include:

The equation for the reaction is given below:

4HCl + O2 —> 2Cl2 + 2H2O

Enthalpy (H) = +280 KJ/mol = +280000 J/mol

Entropy (S) = +235 J/Kmol

Temperature (T) =..?

The temperature at which the reaction will be feasible can be obtained as follow:

Change in entropy (ΔS) = change in enthalphy (ΔH)/T

(ΔS) = (ΔH)/T

235 = 280000/T

Cross multiply

235 x T = 280000

Divide both side by 235

T = 280000/235

T = 1191.49 K

Therefore, the temperature at which the reaction will be feasible is 1191.49 K

4 0
4 years ago
These organs make urine by removing waste and water from the blood. What organs are shown in the picturehese organs make urine b
Orlov [11]

Answer:

kidneys i think

Explanation:

because

3 0
3 years ago
How can you tell if an atom is an isotope?
djverab [1.8K]

Answer:

Look up at the atom on the periodic table of elements and find out what its atomic mass is. Subtract the number of protons from the atomic mass. This is the number of neutrons that the regular version of the atom has. If the number of neutrons in the given atom is different, than it is an isotope.

3 0
3 years ago
Solid copper is burned in oxygen gas to make solid copper (ii) oxide
Olin [163]

Answer:

The copper oxide can then react with the hydrogen gas to form the copper metal and water. When the funnel is removed from the hydrogen stream, the copper was still be warm enough to be oxidized by the air again.

Explanation:

8 0
4 years ago
How many moles FeBr3 are required<br> to generate 275 g NaBr?<br><br> 2FeBr3 + 3Na₂S → Fe₂S3 +6NaBr
slega [8]

Answer:

0.893mol

Explanation:

n = m ÷ M

= 275 ÷ (23 + 80)

= 2.67 mol

* now use the Mol ratio *

NaBr : FeBr3

6 : 2

2.67 : x

5.67 = 6x

n( FeBr3 ) = 0.893 mol

8 0
2 years ago
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