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3 years ago

What is the most abundant isotope of phosphorus?

Chemistry

1 answer:

Airida [17]3 years ago

3 0

Answer: phosphorus-31

Basically, the use of phosphorus-31 nuclear magnetic resonance to distinguish bridge and nonbridge oxygens of oxygen-17-enriched nucleoside triphosphates.

Explanation:

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What mass of silver can be plated onto an object in 33. 5 minutes at 8. 70 a of current? ag (aq) e- → ag(s) 19. 6 g 9. 78 g 0. 3

grandymaker [24]

Mass of silver can be plated onto an object in 33. 5 minutes at 8. 70 a of current is 19.55 g

Given, I=8.70A, t=33.5min=33.5*60=2010 sec, m of Ag = 19600g M=107.87 g/mol

From faradays law we can write q=I*t= 8.70*2010=17487 C.

moles of Ag =17487/ 19600=0.1812 moles

Ag deposited = 0.1812*107.87 = 19.55 g

<h3>Silver </h3>

Having the atomic number 47 and the Latin word argentum, which means "bright" or "white," silver is a chemical element. Its symbol is Ag. The highest electrical, thermal, and reflectivity of any metal are displayed by this transition metal, which is soft, white, and lustrous. The metal can be found in the Earth's crust in three different forms: as an alloy with other metals like gold and in minerals like argentite and chlorargyrite. It can also be found in its pure, free elemental form, also known as "native silver." During the refining of copper, gold, lead, and zinc, the majority of silver is created as a byproduct. As a valuable metal, silver has long been treasured.

What mass of silver can be plated onto an object in 33. 5 minutes at 8. 70 a of current? ag (aq) e- → ag(s) 19. 6 g 9. 78 g 0. 326 g 3. 07 g 0. 102 g

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4 0

2 years ago

What type of bond does sodium and bromine form?

vitfil [10]

Sodium is a metal and bromine is a nonmetal so they form an ionic compound
nonmetals and nonmetals form covalent compounds

7 0

3 years ago

Look at the question marks between zinc (Zn) and arsenic (As) . At the time no elements were known with atomic weights between 6

Mumz [18]

Mendeleev positioned elements in the periodic table in increasing order of their atomic numbers, such that elements having identical chemical properties and characteristics plunge into the same group.

<h3>What is Mendeleev's periodic table?</h3>

Mendeleev's periodic table may be defined as a collection of elements in an increasing atomic mass hierarchy in a table arrangement, such that it reminisces resemblances and manias according to their chemical properties and characteristics.

Mendeleev found that two elements existed between atomic weights 65.2 and 75 because he comprehended especially pleasingly that the possessions of the elements were more comparable and closer to this degree.

He also anticipated having other elements that would have their possessions comparable to these other elements.

Therefore, he departed a void for these two elements in the periodic table until they were ultimately found in their real existence.

The complete question is as follows:

Look at the two question marks between zinc (Zn) and arsenic (As). At the time, no elements were known with atomic weights between 65.2 and 75. But Mendeleev predicted that two elements must exist with atomic weights in this range. What led Mendeleev to predict that two undiscovered elements existed in that range?

Therefore, it is well described above.

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8 0

2 years ago

What reaction would the chemical equation 2H2O --> 2H2+O2 represent? A) Replacement Of Water B) Combustion of water c) decomp

aniked [119]

Answer;

C. Decomposition of water

Explanation;

A decomposition reaction occurs when one reactant breaks down into two or more products.This can be represented by the general equation: AB → A + B. Examples of decomposition reactions include the breakdown of hydrogen peroxide to water and oxygen, and the breakdown of water to hydrogen and oxygen.

The equation for the decomposition of water; 2H2O --> 2H2+O2

7 0

3 years ago

Read 2 more answers

Determine the compound type for the following formulas

sladkih [1.3K]

C₁₂H₂₂O₁₁ , Mg(OH)₂ , H₂O ,Cu₃Zn₂ , Au are covalent compound,

Ionic Compound ,covalent compound ,metallic compound, metal respectively.

The missing question is

Determine the compound type for the following formulas

C₁₂H₂₂O₁₁ , Mg(OH)₂ , H₂O ,Cu₃Zn₂ , Au

<h3>What are the different types of compound?</h3>

The compounds by the exchange of electrons are called Ionic Compound, Those formed by sharing of electrons is called a covalent compound.

It is given in the question to determine the type of the compounds

1. C₁₂H₂₂O₁₁: It is a covalent compound

2. Mg(OH)₂: It is an Ionic Compound

3. H₂O: It is a covalent compound

4. Cu₃Zn₂: It is a metallic compound

5.Au: It is a metal

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3 0

2 years ago