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nata0808 [166]
2 years ago
5

How does activation energy affect chemical reactions?

Chemistry
2 answers:
Assoli18 [71]2 years ago
8 0

Enzymes affect the rate of the reaction in both the forward and reverse directions; the reaction proceeds faster because less energy is required for molecules to react when they collide. Thus, the rate constant (k) increases. Figure 3: Lowering the Activation Energy of a Reaction by a Catalyst.

<em>Best of luck,</em>

<em>-Squeak</em>

valentinak56 [21]2 years ago
4 0

Answer:

A lower activation energy means more rate of reaction.

Explanation:

The activation energy is the extra minimum amount of energy required by reactant molecules to undergo a chemical reaction.

All reactant molecules have an inherent internal energy. They need to cross an energy barrier known as activation energy, to undergo conversion to product. The energy is required for effective collision between reactant molecules.

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5 0
3 years ago
A chunk of zinc is added to a solution of gold (III) nitrate to extract the gold. The reaction forms,
alina1380 [7]

Answer:

it forms :

1. Gold ( Au )

2. Zinc nitrate ( Zn(NO3)2 )

Explanation:

When a chunk of zinc is added to a solution of gold (III) nitrate to extract the gold. The reaction forms Gold and Zinc nitrate .

it's a single displacement reaction,

here's the balanced equation for above reaction :

3 Zn + 2 Au(NO3)3 =》3 Zn(NO3)2 + 2 Au

7 0
2 years ago
Read 2 more answers
How many grams of barium sulfate, BaSO 4 , be precipitated when 2.25 moles of sodium sulfate , Na 2 SO 3 , reacts with an excess
gulaghasi [49]

Answer:

525.1 g of BaSO₄ are produced.

Explanation:

The reaction of precipitation is:

Na₂SO₄ (aq) + BaCl₂ (aq) →  BaSO₄ (s) ↓  +  2NaCl (aq)

Ratio is 1:1. So 1 mol of sodium sulfate can make precipitate 1 mol of barium sulfate.

The excersise determines that the excess is the  BaCl₂.

After the reaction goes complete and, at 100 % yield reaction, 2.25 moles of BaSO₄ are produced.

We convert the moles to mass: 2.25 mol . 233.38 g/mol = 525.1 g

The precipitation's equilibrium is:

SO₄⁻² (aq)  +  Ba²⁺ (aq)  ⇄  BaSO₄ (s) ↓       Kps

7 0
2 years ago
Which of these boxes will not accelerate?
love history [14]

Answer:

B as all the forces cancel out

Explanation:

20-20=0

25-25=0

3 0
2 years ago
Which statement about enzymes is true
artcher [175]
The lower the activation energy required for a chemical reaction
3 0
3 years ago
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