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gavmur [86]
3 years ago
10

Consider two gases, A and B, are in a container at room temperature. What effect will the following changes have on the rate of

the reaction between these gases? The number of molecules of gas A is doubled.
A.decrease
B.increase
Chemistry
1 answer:
Oksanka [162]3 years ago
4 0

Answer:

B: increase.

Explanation:

When we are considering two gases A and B in a container at room temperature .

We have to find the change on  rate of reaction when the number of molecules of gases A is doubled

Let [A]=a and [B]=b

A+B\rightarrow product

Rate of reaction

R_1=k[A][B]=kab

We know that concentration is increases with increase in number of moles

When the number of molecules of gases A is doubled then concentration of gases A increases.

Therefore ,[A]=2a

Rate of reaction

R_2=k(2a)(b)=2kab

R_2=2R_1

Hence, the rate of reaction is  2 times the initial rate of reaction.Therefore, the rate of reaction will increase when the number of molecules of gases A is doubled.

Answer: B: increase.

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5.367 ml of the concentrated acid must be added to obtain a total volume of 100 ml of the dilute solution.

Dilution is defined as the process in which the concentration of a sample is decreased by adding more solvent. The dilution formula is given below.

C₁V₁ = C₂V₂

where C₁ = initial concentration of sample = 3.00 m

V₁ = initial volume of sample

C₂ = final concentration after dilution = 0.161 m

V₂ = total final volume after dilution = 100 ml

Plug in the values to the formula and solve for the volume of the concentrated acid that must be added.

C₁V₁ = C₂V₂

3.00 m (V₁) = 0.161 m (100 ml)

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3 0
1 year ago
Chemical properties of sodium
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Answer:

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Explanation:

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5 0
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Plants, Animals, Protists and Fungi all belong to which domain?
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7 0
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an ant releases a chemical when it dies, and its fellows then carry it away to the compost heap. apparently the communication is
Alenkinab [10]

The conclusion based on the premises is that communication is highly effective.

<h3>What are pheromones?</h3>

Pheromones are chemical substances that are released by animals and which these animals use to communicate with other animals. Some examples of animals that release or produce pheromones are ants and bees.

The pheromones produced by the ants are used to communicate with other ants.

In the given questions, two premises are given about ants:

Premise 1: an ant releases a chemical when it dies, and its fellows then carry it away to the compost heap.

Premise 2: a healthy and painted with the deadly chemical will be dragged to the funeral heap again and again.

The conclusion based on the above premises is that the communication between ants is effective.

In conclusion, ants use pheromones in communication.

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Note that the complete question is given below:

An ant releases a chemical when it dies, and its fellows then carry it away to the compost heap. The communication is highly effective; a healthy and painted with the deadly chemical will be dragged to the funeral heap again and again.

What are the premises and conclusion?

6 0
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