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zepelin [54]
3 years ago
14

The Discussions in this course are set up deepen your understanding of the material as you make real world connections and emplo

y creative thinking. To get the most from these discussions, full engagement is expected on the part of the student. Be sure to stop by the discussion section frequently, not only to post, but to read the postings of your peers and instructor. Engaging with your peers and learning together is key to this experience. For you initial post, choose one of the options below: Save Option 1: We will begin this topic by practicing the use of the scientific method. The steps of the scientific method are: observation, hypothesis, experiment results, and theory. Using your understanding of the scientific method from
Chemistry
1 answer:
matrenka [14]3 years ago
5 0

Answer:

Read the text and question. Think about what you have learned and choose the option with the correct answer.

Soy Paul, soy estadounidense y tengo amigos gauchos y managuas. ¡Me encanta tener amigos de muchos países!

Nos gusta jugar a los juegos de mesa los domingos en la tarde. Prefiero jugar con mi amiga de Buenos Aires, Argentina. Mi amiga se llama Leticia y juego con ella porque es atrevida. En la escuela tenemos un grupo de juegos de mesa con otros amigos ticos.

Based on the text and on what you have learned in the lesson, what can be inferred from the text?

Las nacionalidades

Las profesiones

Los días festivos

Los apodos

Explanation:

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What is the correct answer please
Anestetic [448]

Answer:

I think it's the second answer --If you increase the acidity..

I hope answer I can answer your question!

7 0
3 years ago
g On the basis of their respective pKa values, determine which is the stronger acid, acetic acid (pKa 5 4.7) or benzoic acid (ma
ozzi

Answer:

Benzoic acid is the stronger acid

Explanation:

Weak acids do not dissociate completely in the solution. They exists in equilibrium with their respective ions in the solution.

The extent of dissociation of the acid furnising hydrogen ions can be determined by using dissociation constant of acid (K_a).

Thus for a weak acid, HA

HA \rightleftharpoons A^- + H^+

The K_a is:

K_a= \frac{[A^-][H^+]}{[HA]}

The more the K_a, the more the acid dissociates, the more the stronger is the acid.

Also,

pK_a is defined as the negative logarithm of K_a.

So, more the pK_a, less is the K_a and vice versa

All can be summed up as:

The less the value of pK_a, the more the  K_a is and the more the acid dissociates and the more the stronger is the acid.

Given,

pK_a of acetic acid = 54.7

pK_a of benzoic acid = 54.2

pK_a of benzoic acid < pK_a of acetic acid

So, benzoic acid is the stronger acid.

5 0
3 years ago
How magnets are used in loud speakers
Gelneren [198K]

The electromagnet and the permanent magnet -- interact with each other as any two magnets do. The positive end of the electromagnet is attracted to the negative pole of the permanent magnetic field, and the negative pole of the electromagnet is repelled by the permanent magnet's negative pole

5 0
3 years ago
How many moles of H2O are in 42.0 g H2O?
cricket20 [7]
(42/18.02)=2.3307mol H2O
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3 years ago
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What is 3780 cal to kJ
Lelechka [254]

Answer:

15815.52 kJ

Explanation:

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3 years ago
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