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Mademuasel [1]
3 years ago
8

A _____ is a new substance formed in a chemical reaction.

Chemistry
1 answer:
Lorico [155]3 years ago
5 0
B. product
Think about it like this: a company produces products, not coefficients.
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How many moles of ammonia are produced when 5.0 moles of hydrogen react with excess nitrogen? Use this balanced equation for the
wel
3 mol H₂ → 2 mol NH₃

5 mol H₂ → x mol NH₃

x=2*5.0/3=3.3

n(NH₃)=3.3 mol
7 0
3 years ago
A chemist has synthesized two new dyes based on the molecular structure of plant-based dyes. The lowest energy absorption line f
baherus [9]

Answer:

1. The dye that absorbs at 530 nm

Explanation:

With a larger HOMO-LUMO gap, there's also a higher absorption energy, so this means that the dye with the higher absortion energy has the larger HOMO-LUMO gap.

The relationship between energy and wavelenght can be expressed by the formula E = hc/λ, this means that the <em>lower</em> the wavelenght, the <em>higher</em> the energy is. So the dye that absorbs at a lower wavelenght has a larger HOMO-LUMO gap.

7 0
3 years ago
Which subatomic particle helps identify an elements identify
Sindrei [870]

Answer:

Protons

Explanation:

Protons are the subatomic particle that determines the identity of an element.

8 0
3 years ago
Please someone help me write a Conclusion about climate change
Tatiana [17]

Answer:

Here u go

Explanation:

climate change...climate change is when the weather changes drastically and the adaptations change so that some animals environment are no longer suitable for them

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4 0
3 years ago
The image shows two opposite forces acting on a rolling cart, what can we say is true about the effect on the forces on the cart
bonufazy [111]

Question options:

1. It cannot be determined without knowing which man is stronger.

2. The forces are unbalanced, and net force on the cart moves it to the left.

3. It cannot be determined because one man is taller than the other.

4. The forces are unbalanced, and net force on the cart moves it to the right.

Answer:

<em>2.The forces are unbalanced, and net force on the cart moves it to the left.</em>

Explanation:

In the image, two opposite forces acting on a rolling cart. The person on the right side exerting more force (50N) toward the left than the person on the left side (10N). The more the force applying on the object, it will drag on the followed direction.

It is because the person on the right side exerting force  (50N) toward the left, rolling cart will moves to the left.

6 0
3 years ago
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