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Vilka [71]
3 years ago
13

Rate at which a chemical substance tends to undergo a chemical reaction

Chemistry
2 answers:
kifflom [539]3 years ago
6 0
Reactivity is the name your looking for I believe.
MrMuchimi3 years ago
3 0
<span>Reactivity is your answer cuz i know it</span>
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Can you guys help me with my science homework??​
algol [13]

Answer no 1)

The correct option is A) He did not try to learn it. It was natural.

As Sergei did not put any effort in learning the art of tongue rolling, hence we can assume that this characteristic was found to be naturally present in Sergei. This hence shows that Sergei has acquired the characteristic of tongue rolling through inheritance.

Answer No 2)

We can learn  whether other persons in the class have the characteristic of tongue rolling or not by observing them. In the students who can roll their tongue we can conduct a survey asking them whether they tried to learn the trait or did not put any effort to learn tongue rolling. The students who learned the skill by practicing might have acquired the characteristic from learning.

Answer No 3)

We can survey the class for features like eye color, hair color, height, weight. We can ask certain questions in our survey like whether the characteristic can be seen in either the mother, father or other siblings.

4 0
3 years ago
Which of the following is always true when a substance undergoes a physical change
MissTica
I believe it's letter C.
4 0
3 years ago
What is produced during the replacement reaction of Cu(NO3)2 and Zn?
Sidana [21]
Zn(NO3)2 + Cu will be the result of this single displacement (replacement) reaction :))
5 0
3 years ago
Read 2 more answers
Balance the following chemical equation (with all steps)
WARRIOR [948]

Answer:

Balanced chemical equation:

2Al + 3H₂SO₄  →  Al₂(SO₄)₃ + 3H₂

Explanation:

Chemical equation:

Al + H₂SO₄  →  Al₂(SO₄)₃ + H₂

Balanced chemical equation:

2Al + 3H₂SO₄  →  Al₂(SO₄)₃ + 3H₂

Steps:

Let balance the SO₄ first.

Al + 3H₂SO₄  →  Al₂(SO₄)₃ + H₂

There are three H₂ on left so put the coefficient three on right too.

Al + 3H₂SO₄  →  Al₂(SO₄)₃ + 3H₂

Two Al  on right and one on left so we will put the coefficient two on left.

2Al + 3H₂SO₄  →  Al₂(SO₄)₃ + 3H₂

All atoms are correctly balanced.

3 0
2 years ago
At which temperature would a reaction with H = -92 kJ/mol, S = -0.199 kJ/(mol-K) be spontaneous?
Bogdan [553]

Answer:

3600 K

Explanation:

5 0
3 years ago
Read 2 more answers
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