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iren2701 [21]
3 years ago
8

How to write an informal letter to a friend saying about your science course

Chemistry
1 answer:
Ede4ka [16]3 years ago
4 0
I don’t know what kind of response you want to be written but here are some examples if you are trying to recommend or not recommend your science class to a friend:

Positive View:
Dear (Friend),
My science course is really interesting!
You would not believe the topics we are going to learn this year! We are going to learn about the (topic), (topic), and (topic)! Not only that, did you know that (fun fact)? This science course is probably one of the best classes I ever taken! You should take one of these classes if you are also interested in it.

From your friend, (Name)

Negative View:
Dear (Friend),
My science course is not as interesting and exciting as I thought.. It doesn’t have topics about (topic), (topic), and (topic)... I recommend that you don’t take this course. It really is bad. There is not much to be learned here. But if you really want to join the course, I won’t stop you. After all, that is what you wanted. But I will give good luck to you since you might need it. Don’t say that I didn’t warn you.

From your friend, (Name)

Neutral View:
Dear (Friend),
The science course I’m taking is actually not that bad. It have topics that I don’t really understand but I guess I will just learn it along the school year. If you want to know what kind of topics, the topics they are (topic), (topic), and (topic). They seem hard but if I read from a textbook, I start to understand a bit. Though I wouldn’t recommend it to others, it actually have very interesting knowledge to know about. If you want to join, then join.

From your friend, (Name)
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Which of the following compounds has the highest boiling point?1. F22. NaF3. HF4. ClF
sergey [27]

Answer:

HF

Explanation:

Hf has hydrogen bonding which is the strongest intermolecular forces. The stronger the IM forces, the higher the boiling point.

7 0
3 years ago
What ions will form when baking soda is dissolved in water?
ad-work [718]

Answer:When you add baking powder to water or milk, the alkali and the acidreact with one another and produce carbon dioxide – the bubbles. Sodium bicarbonate is a weak base which is commonly known as baking soda and used in cooking. It weakly ionizes in water: NaHCO3 + H2O → H2CO3 + (OH-) + (Na+). u need to stop deleteing my answers ughh

Explanation:

4 0
4 years ago
The painkiller, Advil® contains the active ingredient ibuprofen (IB), which has a pKb of
denis23 [38]

This problem is providing the basic dissociation constant of ibuprofen (IB) as 5.20, its pH as 8.20 and is requiring the equilibrium concentration of the aforementioned drug by giving the chemical equation at equilibrium it takes place. The obtained result turned out to be D) 4.0 × 10−7 M, according to the following work:

First of all, we set up an equilibrium expression for the given chemical equation at equilibrium, in which water is omitted for it is liquid and just aqueous species are allowed to be included:

Kb=\frac{[IBH^+][OH^-]}{[IB]}

Next, we calculate the concentration of hydroxide ions and the Kb due to the fact that both the pH and pKb were given:

pOH=14-8.20=5.80

[OH^-]=10^{-5.8}=1.585x10^{-6}M

Kb=10^{-5.20}=6.31x10^{-6}

Then, since the concentration of these ions equal that of the conjugated acid of the ibuprofen (IBH⁺), we can plug in these and the Kb to obtain:

6.31x10^{-6}=\frac{(1.585x10^{-6})(1.585x10^{-6})}{[IB]}

Finally, we solve for the equilibrium concentration of ibuprofen:

[IB]=\frac{(1.585x10^{-6})(1.585x10^{-6})}{6.31x10^{-6}}=4.0x10^{-7}

Learn more:

(Weak base equilibrium calculation) brainly.com/question/9426156

4 0
3 years ago
What elements comprise the largest portion of Earth's atmosphere?​
Mrrafil [7]

Answer:

Nitrogen and Oxygen make up 99% of the Earths atmosphere. Then Argon makes up the rest of the atmosphere.

3 0
3 years ago
If you start with 4.3 moles of NH3, how many moles of NANH2 can be produced
mash [69]

Explanation:

Mole ratio of NH3 to NaNH2 = 2 : 2.

Moles of NaNH2 produced

= 4.3mol * (2/2) = 4.3mol.

4 0
3 years ago
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