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hram777 [196]
3 years ago
5

Which best represents a reaction mechanism?

Chemistry
2 answers:
Anvisha [2.4K]3 years ago
8 0

Answer : The correct option is, (C) A+B\rightarrow products

Explanation :

Chemical equation : It is written in such a way that the symbolic representation of the reaction represents the reaction taking place in the system.

The reactants are written on the left-hand side and the products are written on the right-hand side of the equation and the reactant and products are separated by an arrow. The two or more reactants and products are separated by “+”.  

Hence, the representation of chemical reaction will be,

A+B\rightarrow Products

My name is Ann [436]3 years ago
6 0
The reaction that would beat represent a typical reaction mechanism is when A and B react with each other to produce certain products.
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What electrically neutral atom will have an electron configuration of 1s2 2s2 2p4?
abruzzese [7]

Answer:- oxygen.

Explanations:- The electronic configuration is given and we are asked to figure out the electrically neutral atom that will have the electron configuration, 1s^22s^22p^4 .

The sum of electrons for this electron configuration is 8. If we look at the periodic table then 8 is the atomic number of oxygen.

So, the electrically neutral atom for the given electron configuration is oxygen.

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What feature of New York is located about 44°N, 74°W?
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The Adirondacks is located there
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: Please predict products, label the states and write ionic and net ionic equations for each. These are all double replacement r
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3 years ago
A student who is performing this experiment pours an 8.50 mL sample of the saturated borax solution into a 10 mL graduated cylin
gtnhenbr [62]

Answer:

ksp = 0,176

Explanation:

The borax (Na₂borate) in water is in equilibrium, thus:

Na₂borate(s) ⇄ borate²⁻(aq) + 2Na⁺(aq)

<em>When you add just borax, the moles of Na²⁺ are twice the moles of borate²⁻, that means 2borate²⁻=Na⁺ </em><em>(1)</em>

The ksp is defined as:

<em>ksp = [borate²⁻] [Na⁺]²</em>

Then, borate²⁻(B₄O₇²⁻) reacts with HCl thus:

B₄O₇²⁻ + 2HCl + 5H₂O → 4H₃BO₃ + 2Cl⁻

The moles of HCl that reacts with B₄O₇²⁻ are:

0,500M×0,01200L = 6,00x10⁻³ mol of HCl

As two moles of HCl react with 1 mol of B₄O₇²⁻, the moles of B₄O₇²⁻ are:

6,00x10⁻³ mol of HCl×\frac{1molB_{4}O_{7}^{2-}}{2molHCl} = <em>3,00x10⁻³ mol of B₄O₇²⁻</em>

For (1), moles of Na⁺ are <em>3,00x10⁻³ mol ×2 = 6,00x10⁻³ mol of Na⁺</em>

The [borate²⁻] is <em>3,00x10⁻³ mol of B₄O₇²⁻/0,00850L = </em><em>0,353M</em>

And [Na⁺] is <em>6,00x10⁻³ mol of Na⁺ / 0,00850L = </em>0,706M

Replacing in the expression of ksp:

ksp = [0,353] [0,706]²

<em>ksp = 0,176</em>

<em></em>

I hope it helps!

8 0
3 years ago
Question 4
ruslelena [56]

Answer:

Physical change

Explanation:

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