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aleksandrvk [35]
3 years ago
5

Calculate the average time it took the car to travel 0.25 What is the average time it took the car to travel 0.25

Chemistry
2 answers:
DedPeter [7]3 years ago
8 1

Answer:

Explanation:

idk why all u guys like trump who do.. hes just a big pain in the a*s.

blaze the wolf
2 years ago
shut the f*ck up this is for work not your bullsh*t
blaze the wolf
2 years ago
biden is a f*cking dumb b*tch im only a child and i can run a country better than his old slow 2 mph walking a*s
yawa3891 [41]3 years ago
4 0

Answer:

2.23 3.13

Explanation:

just did it

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A 453 g piece of glass at 25.7∘C is left outside on a sunny day. How much heat must the glass absorb from the sun in order to re
Tju [1.3M]

Answer:

Q = 5555.6J

Explanation:

Mass of glass piece, m = 453g

initial temperature = 25.7°C

temperature to be attained = 40.3°C

⇒change in temperature, Δt = 40.3 - 25.7 = 14.6°C

specific heat of glass, s = 0.840J/g°C

Heat absorbed, Q = msΔt

⇒Q = 453×0.840×14.6 = 5555.592J

⇒<u>Q = 5555.6J</u> (rounded to the nearest tenth)

7 0
3 years ago
A solution contains 90 milliequivalents of HC1 in 450ml. What is its normality?
Rashid [163]

Answer:

Normality N = 0.2 N

Explanation:

Normality is the number of gram of equivalent of solute divided of volume of solution, where the number of gram of equivalent of solute is weight of the solute divided by the equivalent weight.

Normality is represented by N.

Mathematically, we have :

\mathbf{Normality \ N = \dfrac{Number \ of \ gram \of \ equivalent\  of\  solute }{volume \ of \ solution}}

Given that:

number of gram of equivalent of solute = 90 milliequivalents 90 × 10⁻³ equivalent

volume of solution (HCl) = 450 mL 450 × 10⁻³ L

\mathbf{Normality \ N = \dfrac{90 \times 10^{-3}}{450 \times 10^{-3}}}

Normality N = 0.2 N

7 0
3 years ago
After taking a hot shower you may notice that the room gets steamy and the mirror is foggy you might also notice that there is m
ruslelena [56]

Answer:the temperature might increase because of the humidity in the room so everything gets goofy and moist

Explanation:

6 0
3 years ago
Why do scientists sometimes discard theories?
vodka [1.7K]
Because they get new pieces of information from experiments
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A solution contains 90 mL of methanol, 18 mL of propanol, and 2 mL of diethyl ether. Which is the solvent in this solution?
otez555 [7]

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Methanol

Explanation:

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