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allochka39001 [22]
3 years ago
6

What is the relative atomic mass of ,A of X?

Chemistry
1 answer:
Fed [463]3 years ago
7 0
11 A n 8 g sample of oxygen atoms contains the same number of atoms as 16 g of element x. 
The question does not make sense. does it mean 11 g of A with 8 g Oxygen and 16 g X with 8 g Oxygen.

Does not make sense
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Alkenes can be hydrated via the addition of borane to yield alcohols with non-Markovnikov regiochemistry.
galina1969 [7]

Answer:

The given statement is true.

Explanation:

Initially, the addition of borane to the alkene takes place in the form of a concerted reaction owing to the dissociation of the bond and subsequent formation, which occurs at a similar time. After that the Anti Markovnikov supplementation of boron takes place. The addition of this atom takes place with the less substituted carbon of the alkene that then substitutes the molecule of hydrogen on the more substituted carbon.

Then through the donation of a pair of electrons from the hydrogen peroxide ion, the process of oxidation takes place resulting in the formation of trialkylborane. After this realignment of an R group with its pair of bonding, electrons take place with adjacent oxygen resulting in the withdrawal of a hydroxide ion. Eventually, the trialkylborate reacts with the aqueous NaOH to generate alcohol and sodium borate as the side product.

8 0
3 years ago
____ is a poor conductor of heat A. aluminum B.iron C. ceramic D. zinc
Ganezh [65]
Your answer is ceramic.
8 0
3 years ago
One gram of salt in swimming pool of water could be considered a _____ solution.​
omeli [17]

Answer:

Soluable

Explanation:

Because salt dissolves in water.. Your question has no background information to go off of

5 0
3 years ago
Read 2 more answers
Consider the following reaction: 3Fe(s) + 4H₂O(g) ➞ Fe₃O₄(s) + 4H₂(g). To answer the following question: "How many moles of hot
Elodia [21]

Answer: 2

Explanation:

To calculate the moles :

\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}

\text{Moles of} Fe_3O_4=\frac{275g}{233.5g/mol}=1.18moles

3Fe(s)+4H_2O(g)\rightarrow Fe_3O_4(s)+4H_2(g)  

According to stoichiometry :

1 mole of Fe_3O_4 are produced by = 4 moles of H_2O

Thus 1.18 moles of Fe_3O_4 will be produced by=\frac{4}{1}\times 1.18=4.72moles  of H_2O

Mass of H_2O=moles\times {\text {Molar mass}}=4.72moles\times 18g/mol=85.0g

Thus 85.0  g of H_2O will be required and 2 steps are required to get the answer.

6 0
3 years ago
What is the symbol for the ion that contains 12 protons, 10 electrons, and 12 neutrons?
elena-s [515]
Magnesium ion or Mg 2+
4 0
3 years ago
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