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Trava [24]
3 years ago
11

Local winds can be caused by______heating of the earth's surface.

Chemistry
2 answers:
ddd [48]3 years ago
7 0
Uneven hope this helps XD
swat323 years ago
3 0
The correct answer is uneven
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NaF name the ionic compound
Alenkinab [10]
Compound consisting of a sodium ion (Na+) with a plus one charge and a fluoride ion (F-) with a minus one charge. Hope I helped!! :)
6 0
3 years ago
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Consider the reaction. A(aq) = 2 B(aq) Kc = 6.90 x 10 6 at 500 K If a 3.00 M sample of A is heated to 500 K, what is the concent
kirza4 [7]

Answer:

0.004548 M is the concentration of B at equilibrium at 500 K.

Explanation:

                         A(aq) ⇆ 2 B(aq)

Initially               3.00 M

At equilibrium   3.00 -x    2x

Equilibrium constant of the reaction at 500 K =K_c=6.90\times 10^{-6}

Concentration of A at 500 K at equilibrium , [A] = (3.00 -x )M

Concentration of B at 500 K at equilibrium,[B]= 2x

An expression of equilibrium constant is given as:

K_c=\frac{[B]^2}{[A]}

6.90\times 10^{-6}=\frac{4x^2}{(3.00-x)}

On solving for x:

x = 0.002274 M

[B] = 2 x = 2 × 0.002274 M = 0.004548 M

[A] = (3-x) = 3 M - 0.002274 M =2.997726 M

0.004548 M is the concentration of B at equilibrium.

8 0
3 years ago
Which change is most likely to occur when a molecule of h2 and a molecule i2 collide with proper orientation and sufficient ener
Alekssandra [29.7K]

Answer: Formation of hydrogen iodide will occur.

Explanation:

When molecule of hydrogen gas (H_2) and molecule of iodine gas (I_2) collide with proper orientation and with sufficient amount of energy. This collision of the two different molecules of gases will result in the formation of hydrogen iodide.

The balanced chemical equation of the reaction will written as:

H_2(g)+I_2(g)\righarrow 2HI(g)

6 0
4 years ago
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Using the following thermochemical equation, determine the amount of heat produced from the combustion of 24.3 g benzene (C6H6).
Anna007 [38]

Answer:

ΔH = -976.5 kJ

Explanation:

For the reaction given, there are 2 moles of benzene (C6H6). The heat of this reaction is -6278 kJ, which means that the combustion of 2 moles of benzene will lose 6278 kJ of heat. It is an exothermic reaction.

The value of ΔH, the enthalpy, is a way of measurement of the heat, and it depends on the quantity of the matter (number of moles).

So, 24.3 g of benzene has :

n = mass/ molar mass

n = 24.3/78.11

n = 0.311 moles

2 moles ------------ -6278 kJ

0.311 moles ----------- x

By a simple direct three rule:

2x = -1953.08

x = -976.5 kJ

3 0
3 years ago
Which of the following can be classified only as a thermoplastic polymer? A) thermosetting polymers B) addition polymers C) line
cluponka [151]

Answer:

A thermoplastic is a polymer that becomes pliable or moldable above a specific temperature and returns to a solid state upon cooling. These are the linear or slightly branched long chain molecules. For examples, PVC, polystyrene, nylon,polyethylene etc.

Explanation:

5 0
3 years ago
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