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Lesechka [4]
2 years ago
9

does anyone have any advice for breaking up with your gf because you both lost feelings and after months you have been trying to

make it work. but it doesnt because you cant bring yourself to say "I love you"????
Chemistry
1 answer:
inn [45]2 years ago
4 0

Answer:

advise for to break up with her

Explanation:

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Give 10 examples of potential energy converted into kinetic energy
Viktor [21]

Answer:

Book on Table

Car at the Hilltop

Falling Objects

Skydiver

Hammering a Nail

Dam Water

Roller Coaster

Stretched Rubber Band

Simple Pendulum

Compressed Spring

Battery

Flashlight

Exothermic Chemical Reaction

Burning of Oil, Gas and Coal

Wind Turbine

Explanation:

have a nice day!

3 0
2 years ago
Why do scientists make hypothesis
Sergeeva-Olga [200]
Scientists make hypothesis in order to make an educated guess on the outcome of the experiment.
8 0
3 years ago
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Three isotopes of silicon have mass numbers of 28,29, and 30 with an average atomic mass of 28.086 what does this say about the
Sedbober [7]

Answer is: silicon isotope with mass number 28 has highest relative abundance, this isotope is the most common of these three isotopes.

Ar₁(Si) = 28; the average atomic mass of isotope ²⁸Si.  

Ar₂(Si) =29; the average atomic mass of isotope ²⁹Si.  

Ar₃(Si) =30; the average atomic mass of isotope ³⁰Si.  

Silicon (Si) is composed of three stable isotopes, ₂₈Si (92.23%), ₂₉Si (4.67%) and ₃₀Si (3.10%).

ω₁(Si) = 92.23%; mass percentage of isotope ²⁸Si.  

ω₂(Si) = 4.67%; mass percentage of isotope ²⁹Si.

ω₃(Si) = 3.10%; mass percentage of isotope ³⁰Si.

Ar(Si) = 28.086 amu; average atomic mass of silicon.  

Ar(Si) = Ar₁(Si) · ω₁(B) + Ar₂(Si) · ω₂(Si)  + Ar₃(Si) · ω₃(Si).  

28,086 = 28 · 0.9223 + 29 · 0.0467 + 30 · 0.031.

8 0
3 years ago
Select the correct answer. Clive finds that the water coming out of the faucet is a little muddy. He concludes that the color in
KiRa [710]

Answer:

A. observing

Explanation:

There are various steps that are involved in a scientific investigation. Observation is the first step of the scientific investigation. In this step, a close examination is laid on the investigation. Observation is collected with the senses and the information is gathered.

In the given excerpt, Clive missed the observation part of the scientific investigation. All the other three steps were followed by Clive. He was not able to observe the situation and so was not able to provide the answers to the questions asked by his classmates.

3 0
3 years ago
Why is it important to control all of the variables except one in an experiment?
Ad libitum [116K]
Any given experiment has numerous control variables, and it's important for a scientist to try to hold all variables constant except for the independent variable. If a control variable changes during an experiment, it may invalidate the correlation between the dependent and independent variables.



It’s copied and pasted from google so make sure to put it in your words :)

5 0
3 years ago
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