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Novosadov [1.4K]
3 years ago
7

What do I do if I am hopelessly crushing on someone and I know for a fact that they used to like me... But probably not anymore?

I'm just curious for responses lol.
Chemistry
2 answers:
ikadub [295]3 years ago
7 0
I feel the exact same way and what I would do is just try talking to them ,it may seem hard at first but try to start a conversation and maybe ask their friends about them or if they still like you
boyakko [2]3 years ago
3 0

Answer:

In my opinion, just ask them about it, but if too shy to then your mind will wander, so it's best to ask them about it

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Light-dependent reactions: ​
dmitriy555 [2]
Ya makes totally sense
3 0
3 years ago
at what height is an object that has a mass of 16kg, if it’s gravitational potential energy is 7500J?
dolphi86 [110]

Answer:

46.875

Explanation:

P.E=MGH

7500=16*10*h

7500=160h

h=7500/160

h=46.875

5 0
3 years ago
Select the correct answer. An adult human lung has a volume of 2. 9 liters. If its volume decreases to 1. 2 liters and it contai
maria [59]

Moles are the ratio of the mass and the molar mass of the substance given and is estimated in mol. The moles that the lungs contain when it is full is 0.12 moles.

<h3>What is the relation of the volume and moles?</h3>

Moles of the substances are directly proportional to the volume of the substance and can be shown as,

\rm \dfrac{V_{1}}{V_{2}}= \dfrac{n_{1}}{n_{2}}

Here,

Initial volume \rm (V_{1}) = 2.9 L

Final volume \rm (V_{2}) = 1.2 L

Initial moles = \rm n_{1}

Final moles \rm (n_{2}) = 0.049 mol

Substituting values in the equation:

\begin{aligned} \dfrac{2.9}{1.2} &=\rm \dfrac{n_{1}}{0.049}\\\\&= \dfrac{2.9\times 0.049}{1.2}\\\\&= 0.12\;\rm mol\end{aligned}

Therefore, the number of moles in the lungs are 0.12 moles.

Learn more about moles and volumes here:

brainly.com/question/13909347

6 0
2 years ago
Is drying wet clothes a physical or chemical change
grandymaker [24]
Drying clothes is a physical change, because it is not permanent. The clothes could just be wettened again, therefore it is not a chemical change.

~Hope I helped!~
8 0
3 years ago
Read 2 more answers
A science student wants to use distillation to separate a mixture of two
statuscvo [17]

Answer:

Boiling point

Explanation:

Distillation is one of the most widely used separation technique in chemistry. It is used to separate a mixture of liquid substances with different boiling point. Hence, the basis of the separation is BOILING POINT DIFFERENCE.

In the procedure, the liquid substances are heated until they turn gaseous, which they do at different times considering their different boiling points. The separated components are then converted back to liquid states in a process called CONDENSATION.

6 0
3 years ago
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