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JulijaS [17]
3 years ago
15

The compounds CH3OCH3 and CH3CH2OH are isomers of each other. These two compounds must have the same (1) density (3) melting poi

nt (2) reactivity (4) molecular formula
Chemistry
2 answers:
Andrei [34K]3 years ago
7 0
<span> <span> <span> <span>(4) Isomers have the same molecular formula (same number of each type of atom) but have a different structure. </span> </span> </span> </span>
Phantasy [73]3 years ago
4 0

Answer: (4) molecular formula

Explanation:-

1. Density of a substance is defined as the mass contained per unit volume.

2. Melting point is the temperature at which solid start changing to liquid phase.

3. Reactivity of an element is defined as the ability to lose or gain electrons.

4. The compounds having similar molecular formula but different arrangement of atoms or groups in space are called isomers.

CH_3OCH_3 and CH_3CH_2OH are functional isomers which have same molecular formula but different functional groups namely ether and alcohol respectively.

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A generic gas, x, is placed in a sealed glass jar and decomposes to form gaseous y and solid z. 2x(g)â½ââây(g)+z(s) how are thes
Elan Coil [88]
The chemical equation given is:

<span>2x(g) ⇄ y(g)+z(s)</span>

Answer: the higher the amount of x(g) the more the forward reacton will occur and the higher the amounts of  products y(g) and z(s) will be obtained at equilibrium.

Justification:

As Le Chatellier's priciple states, any change in a system in equilibrium will be compensated to restablish the equilibrium.

The higher the amount, and so the concentration, of X(g), the more the forward reaction will proceed to deal witht he high concentration of X(g), leading to an increase on the concentration of the products y(g) and z (s).
3 0
3 years ago
A 10.0 ml portion of 0.010 m hcl is diluted by adding it to100.0 ml of water. what is the ph of the solution
Volgvan

From the calculation, the pH of the solution after dilution is 3.

<h3>What is the pH?</h3>

The pH is the hydrogen ion concentration of the solution. Now we know that;

C1 =  0.010 m

V1 = 10.0 ml

V2 = 10.0 ml + 100.0 ml = 110 ml

C2 = ?

C1V1 = C2V2

C2 = C1V1 /V2

C2 =  0.010 m  * 10.0 ml / 110 ml

C2 = 0.00091 M

pH = -log[0.00091 M]

pH = 3

Learn more about pH:brainly.com/question/15289741

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4 0
1 year ago
Suppose 180 ml of 3.52x10^-4 M NaOH is mixed with 220 mL of 2.47x10^-4 M MgCl2.
velikii [3]
When in water, MgCl2 dissociates into magnesium ions and Cl- ions and NaOH into Na and OH ions. The equation is as follows:

MgCl2 = Mg2+ + 2Cl-
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The initial concentrations are as follows:

[Mg2+] = .220(<span> 2.47x10^-4) / .220+.180 = 1.36x10^-4 M Mg2+
</span>[OH-] = .180 (3.52x10^-4) / .220+.180 = 1.58x10^-4 M OH-
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3 years ago
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Elanso [62]

Answer:

1

Explanation:

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What geometry does VSEPR predict for the central atom in PF5
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so you can see those fluorine atoms have really spread out around the central phosphorus atom. this gives us a trigonal bi-pyramidal molecular geometry for pf5.

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3 years ago
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