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3 years ago

What does the direction and length of velocity vector indicate

1 answer:

5 0

A Velocity Vector represents the rate of change of the position of an object. The Magnitude of a Velocity vector gives the speed of an object while the vector direction gives its direction.

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How many molecules are in 1 mol of the chemical equation shown above

aivan3 [116]

There's 6.022×10^23 particles in 1 mole of anything

like there is 1000 grams in 1 kilogram of anything

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4 years ago

What happened to the wind speeds of the storms?

oksano4ka [1.4K]

They would most likely speed up.

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3 years ago

Meet /svc-jgyu-fii<br>join

arsen [322]

Answer:

what are we doing there???

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3 years ago

The lab just ran out of 1 M HCl that you need to complete the Benzillic Acid lab. The TA tells you there is 12 M HCl in the fume

Viktor [21]

Answer:

0.83 mL

Explanation:

Given data

Initial concentration (C₁): 12 M

Initial volume (V₁): ?

Final concentration (C₂): 1.0 M

Final volume (V₂): 10.0 mL

We can calculate the initial volume of HCl using the dilution rule.

C₁ × V₁ = C₂ × V₂

V₁ = C₂ × V₂ / C₁

V₁ = 1.0 M × 10.0 mL / 12 M

V₁ = 0.83 mL

The required volume of the initial solution is 0.83 mL.

7 0

3 years ago

Having been heated to 800 K , at some point the tank starts to leak. By the time the leak is repaired, the tank contains only ha

Liula [17]

Answer: The temperature of the gas reduced to 400K.

Explanation:

Stated that ; The pressure remains the same, that is initial and final pressure equals 1atm.

Applying Charles Law

$V1/T1 = V2/T2$

Initial volume V1 = 1

Final volume V2 = 1/2 (halved)

Initial temperature T1 =800K

Final temperature T2 = ?

(1/800) = (1/2)/T2

T2 = 800/2

T= 400K

Therefore, when the volume is halved, the temperature reduced also to half ( 400K)

3 0

3 years ago