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Fed [463]
3 years ago
13

Number the elements sodium, magnesium, and potassium in the predicted order of ionic radius from the largest (1) to the smallest

(3).
sodium
magnesium
potassium
Chemistry
2 answers:
Aleksandr-060686 [28]3 years ago
7 0
Potassium ,sodium, and magnesium
Jobisdone [24]3 years ago
4 0

Answer:

1-Potassium

2-sodium

3-magnesium

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What evidence exists that science is dynamic, that scientific theories are frequently modified?
almond37 [142]

Answer:

Nonetheless, scientific change is connected with many other key issues in philosophy of science and broader epistemology, such as realism, rationality and relativism. The present article does not attempt to address them all. Higher-order debates regarding the methods of historiography or the epistemology of science, or the disciplinary differences between History and Philosophy, while important and interesting, represent an iteration of reflection on top of scientific change itself, and so go beyond the article’s scope.

Explanation:

8 0
4 years ago
A compound contains 36.48% Na, 25.41% S, and 38.11% O. Find it’s empirical formula
MAXImum [283]

Answer:

we can use 100g of compounds as the basis.

Explanation:

3 0
2 years ago
What are the chemical processes used to make chloroquine?
4vir4ik [10]
You spell Chlorine wrong but the process is called electrolysis  
6 0
4 years ago
I really need help..please and thank you.
Elenna [48]

What is the question you need answered

8 0
3 years ago
The reaction below will occur in a gaseous system at STP:
WARRIOR [948]

Answer:

V = 12.5 L

Explanation:

Given data:

Volume of NO = 15.0 L

Temperature and pressure = standard

Volume of nitrogen gas produced = ?

Solution:

Chemical equation:

6NO + 4NH₃    →     5N₂ + 6 H₂O

Number of moles of NO:

PV = nRT

n = PV/RT

n = 1 atm × 15.0 L / 0.0821 atm.L /mol.K × 273.15 K

n = 15.0 atm.L / 22.43 atm.L /mol

n = 0.67 mol

now we will compare the moles of No and nitrogen gas.

              NO           :         N₂

               6             :          5

              0.67         :         5/6×0.67 = 0.56

Volume of nitrogen gas:

 PV = nRT

1 atm × V = 0.56 mol ×  0.0821 atm.L /mol.K × 273.15 K

V = 12.5 atm.L / 1 atm

V = 12.5 L

4 0
3 years ago
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