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Molodets [167]
3 years ago
10

Which of the following is true for a limiting reactant?

Chemistry
1 answer:
lbvjy [14]3 years ago
6 0

Answer:

It is a reactant that produces smaller amount of product.

Explanation:

" The limiting reactant is a reactant that control the amount of product in chemical reaction because of its smaller amount"

Consider the example:

2 H₂ + O₂   →   2H₂O

two moles of hydrogen react with one moles of oxygen and produces two moles of water. when we take two mole of hydrogen and two mole of oxygen than again two mole of water is produced because hydrogen is limiting reactant and one mole of oxygen left un reacted.

Identification of limiting reactant:

Calculate the number of moles of reactant.

compare it with number of moles of product with help of balance chemical equation.

identify the reactant which produces less number of moles of product.

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A nugget of gold is placed in a graduated cylinder that contains 80 mL of water. The water level rises to 225 mL after the nugge
Marina CMI [18]

Answer:

<h2>145 mL</h2>

Explanation:

The volume of the nugget can be found by using the formula

volume of object = final volume of water - initial volume of water

From the question

final volume of water = 225 mL

initial volume = 80 mL

We have

volume = 225 - 80 = 145 mL

We have the final answer as

<h3>145 mL</h3>

Hope this helps you

8 0
2 years ago
Brainliest if answered in the next 5 minutes
umka2103 [35]
The equilibrium constant "k" is used to determine the concentration of every product in a reversible reaction until equilibrium is reached. At equilibrium, the value of k is equal to 1.

When the value of k is less than 1, this means that the concentration of the reactants is more than the concentration of the products. To reach equilibrium again, the reaction will shift to the left forming more products to compensate for the concentration.

Based on this, there are only two choices which are: 
<span>The concentration of one or more of the products is small.
</span><span>The reaction will not proceed very far to the right.

The other two are incorrect as:
The concentration of the reactants is more and not less
The reaction will generally form more products than reactants.</span>
6 0
4 years ago
Read 2 more answers
Which of the following is the first step in balancing a chemical equation?
WARRIOR [948]
<span>The first step in balancing a chemical equation, would be to find the amount of each element. </span>
7 0
3 years ago
Which of the following statements about alkali metals is true?
Novay_Z [31]
Very reactive I think
4 0
3 years ago
Read 2 more answers
Which of the following is NOT a symbol for an element? <br> a CO <br> b He <br> c Na <br> d S
4vir4ik [10]

The answer is A, CO.

Out of all 4 choices, only A is not an element, but a compound. Compound are made out of different elements while element itself cannot be further separated no matter what methods we use. In A, CO, is carbon monoxide. It contains carbon and oxygen these 2 elements. Both carbon and oxygen cannot be further separated, but carbon monoxide can be separated back to carbon and oxygen.

On the other hand, B,C, and D, are symbols of elements helium, sodium, and sulphur respectively. They cannot be further separated into other smaller substances thus they're elements.

7 0
3 years ago
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