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kumpel [21]
3 years ago
13

Which of the following are single-displacement reactions?

Physics
2 answers:
VikaD [51]3 years ago
7 0
To determine if it is single-replacement, look for a metal and a compound on the reactant side and then the metal attached to in a compound on the product side.

So here A, B, and D would be considered single-replacement
ANTONII [103]3 years ago
5 0

Answer: The correct option are(A),(B) and (D).

Explanation:

Single Displacement reaction is define as chemical reaction in which more reactive element displaces the less reactive element from its compound. It is generally given as:

AB+C\rightarrow A+BC

Reactions in option (A) and (B) represents single displacement reaction.:

Zn(s)+H_2SO_4(aq)\rightarrow ZnSO_4(aq)+H_2(g)

2Al(s)+3CuCl_2(aq)\rightarrow 2AlCl_3(aq)+3Cu(s)

2Fe(s)+6HCl(aq)\rightarrow 2FeCl_3(s)+3H_2(g)

Hence, the correct option are(A) ,(B)and (D).

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Question 4 What would be the UCS for Tab the dog? O The shock O The flowers and fence O Fear O The boundary Question 5​
Harrizon [31]

The unconditioned stimulus (UCS) for Tab the dog is: B. The flowers and fence.

<h3>The types of stimuli.</h3>

In Science, the two (2) stimuli that are repeatedly paired in classical conditioning include:

  • Conditioned stimulus
  • Unconditioned stimulus

<h3>What is an unconditioned stimulus?</h3>

An unconditioned stimulus can be defined as a stimulus that is capable of naturally triggering a response, before or without any conditioning while it elicit a specific response without learning.

  • This ultimately implies that, an unconditioned stimulus leads to an automatic response in a living organism such as a dog.

In this scenario, the unconditioned stimulus (UCS) for Tab the dog is simply the flowers and fence.

Read more on unconditioned stimulus here: brainly.com/question/24868138

3 0
2 years ago
Please help!! I’m so confused and struggling rn
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Explanation:

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6 0
3 years ago
You and your fellow students have been challenged to design a rubber band powered car. You will use the elastic potential energy
Tcecarenko [31]

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The correct answer is A

Explanation:

3 0
3 years ago
Ferns that eject spores generally do so in pairs, with two spores flying off in opposite directions. The structure from which th
Furkat [3]

Answer:

It cancels recoil.

Explanation:

For each action there is an equal an opposite reaction.

The principle of conservation of momentum tell us that if a single spore were ejected the fern would suffer a recoil from it. This recoil would take energy and speed from the spore. But if they are ejected in pairs the recoil is canceled and all the energy is transferred to the spores resulting in higher speeds.

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4 years ago
1. Spring force is proportional to stretch distance, F=kd. Do you expect doubling the stretch distance double the force?
Solnce55 [7]

Answer:

Yes

Explanation:

The spring force is given as:

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 Since k is a constant, therefore, doubling the stretch distance will double the force.

Both stretch distance and force applied can be said to be directly proportional to one another.

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3 years ago
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