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KATRIN_1 [288]
2 years ago
15

What makes up an iconic compound ​

Chemistry
2 answers:
STALIN [3.7K]2 years ago
8 0

Answer:

I think Number C is the answer.

iogann1982 [59]2 years ago
8 0
Point is is A I hope you get correct
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The smallest unit that retains the properties of an element is a(n) _____. atom molecule proton compound neutron
Aleks [24]
The answer to your question is ATOM.
8 0
3 years ago
Which has more gravitational potential energy—a book sitting on a desk or the same
nydimaria [60]

Answer:

The book sitting on the desk

Explanation:

The gravitational potential energy of an object is the energy possessed by the object due to its position relative to the ground.

It is calculated as:

GPE=mgh

where

m is the mass of the object

g is the acceleration due to gravity

h is the height of the object with respect to the ground

From the formula, we see that the GPE of an object is directly proportional to the heigth h: so, the higher the location of the object, the larger the GPE.

In this problem, we are comparing a book sitting on a desk and the same book sitting on the floor. In the two situations, the mass of the book is the same; however, in the first case, the value of the height is h, while in the second case, the value of h is lower (because the book is located at a lower height, being on the floor).

Therefore, we can conclude that the first book must have a larger GPE, since it has a larger value of h.

6 0
3 years ago
What is the difference between reactants and products?
vitfil [10]

Answer:

The reactants are the substances that start the chemical reaction. The products are the substances that are produced in the chemical reaction.

Explanation:

5 0
2 years ago
Read 2 more answers
I have 50.00 mL of 0.100 M ethyl amine (C2H5NH2). I gradually add a solution of 0.025 M nitric acid (HNO3) to the ethyl amine so
sergeinik [125]

Answer:

4.00 is the pH of the mixture

Explanation:

The ethyl amine reacts with HNO3 as follows:

C2H5NH2 + HNO3 → C2H5NH3⁺ + NO3⁻

To solve this question we need to find the moles of ethyl amine and the moles of HNO3:

<em>Moles C2H5NH2:</em>

0.0500L * (0.100mol/L) = 0.00500 moles ethyl amine

<em>Moles HNO3:</em>

0.201L * (0.025mol/L) = 0.005025 moles HNO3

That means HNO3 is in excess. The moles in excess are:

0.005025 moles HNO3 - 0.00500 moles ethyl amine =

2.5x10⁻⁵ moles HNO₃

In 50 + 201mL = 251mL = 0.251L:

2.5x10⁻⁵ moles HNO₃ / 0.251L = 9.96x10⁻⁵M = [H+]

As pH = -log [H+]

pH = -log 9.96x10⁻⁵M

pH = 4.00 is the pH of the mixture

6 0
2 years ago
Help help help.
Whitepunk [10]
I think B
Hope this helps!
4 0
3 years ago
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