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krek1111 [17]
4 years ago
12

I don’t understand this lolz help

Chemistry
1 answer:
Karolina [17]4 years ago
4 0

Explanation:

In fluorine

protons = 9

Neutrons = 10

Electrons = 9

Hope it will help :)❤

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Help! This has to be done by time I wake up for school I need to know How many calories
vfiekz [6]

Answer:

429 calories

Explanation:

Using the specific heat equation, Q=mcΔt and solving for Q will give the number of calories.

Q=(250 g)(0.033 cal/g*C)(52C)= 429 cal

5 0
3 years ago
Someone pls help me I will make you brain
sertanlavr [38]

Answer:

I believe the answer is II and III

Explanation:

I'm not sure if III is right cause I cannot read the last word but I think it's OK.

Hope this helped :)

4 0
3 years ago
An unknown compound contains 75.69% carbon, 8.80% hydrogen, and 15.51% oxygen by mass. A mass spectrometry analysis reveals that
tiny-mole [99]

Answer:

Molecular formula is C₂₆H₃₆O₄

Explanation:

The compound is 75.69 % C, 8.80 % H and 15.51 % O. This data means, that in 100 g of compound we have 75.69 g, 15.51 g and 8.80 g of, C, O and H, respectively. We know the molar mass of the compound, so we can work to solve the moles of each element.

In 100 g of compound we have 75.69 g C, 15.51 g O and 8.80 g H

In 412 g of compound we would have:

(412 . 75.69) / 100 = 311.8 of C

(412 . 15.51) / 100 = 63.9 g of O

(412 . 8.80) / 100 = 36.2 g of H

Now, we can determine the moles of each, that are contained in 1 mol of compound.

312 g / 12 g/mol 26 C

64 g / 16 g/mol = 4 O

36 g / 1 g/mol = 36 H

Molecular formula is C₂₆H₃₆O₄

4 0
4 years ago
Which traits does the common garter snake have that might be adaptive for the environment where it lives?
Licemer1 [7]

Answer:

As the garter snake can be found almost in any kind of habitat, what makes them be able to survive in any environment include:

1. They hibernate to increase their chances of survival in unfavorable weather conditions.

2. They can blend with the background of any environment especially grass to escape being eaten.

3. They produce an odor that is usually unpleasant especially when about to be attacked.

Explanation:

The garter snakes are distinguished by the three stripes running the length of their body and can often be found in forests, places that are even close to water bodies, and almost any place, even in holes.

 

           

4 0
3 years ago
What is the volume or density
svetlana [45]

See the image below.

4 0
4 years ago
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