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ira [324]
3 years ago
7

1. In order for a chemical reaction to occur, there

Chemistry
1 answer:
motikmotik3 years ago
6 0

(1) an effective collision between reacting particles

Explanation:

In order for a chemical reaction to occur, an effective collision between reacting particles must always be.

  • Based on the collision theory, for reactions to occur, there must be collisions between the reacting particles.
  • It implies that the rate of reaction depends on the number of collision per unit time as well as the fraction of this collision that is successful or effective.
  • For collisions to be effective, they must have adequate energy.

learn more:

Activation energy brainly.com/question/10184131

#learnwithBrainly

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Given that Kp = 3.5 x 10-4 for the reaction 2 CO(g) <=> C(graphite) + CO2(g), what is the partial pressure of CO2(g) at eq
spin [16.1K]

<u>Answer:</u> The partial pressure of carbon dioxide at equilibrium is 0.0056 atm

<u>Explanation:</u>

The given chemical equation follows:

                     2CO(g)\rightleftharpoons C\text{ (graphite)}+CO_2(g)

<u>Initial:</u>             4.00

<u>At eqllm:</u>       4.00-2x        x                 x

The expression of K_p for above reaction follows:

K_p=\frac{p_{CO_2}}{(p_{CO})^2}

The partial pressure of pure solids and liquids are taken as 1 in the equilibrium constant expression.

We are given:

K_p=3.5\times 10^{-4}

Putting values in above expression, we get:

3.5\times 10^{-4}=\frac{x}{(4-2x)^2}\\\\x=0.0056,718.28

Neglecting the value of x = 718.28 because equilibrium pressure cannot be greater than initial pressure

Partial pressure of CO_2 = 0.0056 atm

Hence, the partial pressure of carbon dioxide at equilibrium is 0.0056 atm

4 0
3 years ago
How many moles of hydrogen atoms are there in 120 g of C6H12O6
lys-0071 [83]

Answer: 8.0 moles

Explanation:

0.6661 moles×12 H≈8.0 moles

5 0
3 years ago
Help plz. ASAP!!!!
GuDViN [60]

Answer:

Option A, 931 Kg

Explanation:

As we know that weight is equal to the product of mass and acceleration due to gravity.

Thus,

W = M * 9.8 m/s2

Substituting the given values in above equation, we get -

W = 95 * 9.8 \\W = 931Kg

Hence, option A is correct

4 0
3 years ago
In terms of chemical bonds and electrons, what kinds of changes occur between atoms when substances undergo chemical reactions?
STALIN [3.7K]
In a chemical change, the atoms in the reactants rearrange themselves and bond together differently to form one or more new products with different characteristics than the reactants. When a new substance is formed, the change is called a chemical change.
<span>www.middleschoolchemistry.com/lessonplans/chapter6/lesson1</span>
8 0
4 years ago
How many grams are in 0.02 moles of beryllium iodide, Bel2?
Flura [38]
This set up of a conversion table should show you that if you multiply the grams of BeI2 times .02 moles, it equals <span>5.256 g (your answer) </span>

8 0
3 years ago
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