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Ainat [17]
3 years ago
5

If

Chemistry
1 answer:
defon3 years ago
4 0

Answer:

If

0.0357

mol

CaCl

2

is dissolved in water to make a

0.420

M

solution, what is the volume of the solution?

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A uniform cylinder of mass 4.3 kg and radius 0.4 m rolls down a ramp inclined at an angle 0.15 radians to the horizontal. what i
tester [92]

The cylinder's acceleration is

a=\frac{gsin}{1+\frac{I}{mrL} }

= 2g\frac{sin}{3}θ

= \frac{2(9.8) sin (0.15 rad)}{3} \\=0.9763 \frac{m}{sec r}

<h3>How do you determine a cylinder's acceleration?</h3>

The cylinder's complete radius, R, from the center marks the contact point, therefore the torque created by friction is given by fR = I\alpha, where is the rotating acceleration. This rotational acceleration's corresponding linear acceleration, \alpha, is equal to R. The cylinder, which has its mass concentrated in its center, triumphs in the competition, followed by the disc and the hoop, with their respective final velocities being roughly 1.4:1.2:1. We can also see that our findings are unaffected by the cylinders' masses.

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5 0
2 years ago
Consider 10.0 g of helium gas (He) in a rigid steel container. If you add 10.0 g of neon gas (Ne) to this container, which of th
Norma-Jean [14]

Answer: (e) The pressure in the container increases but does not double.

Explanation:

To solve this, we need to first remember our gas law, Boyle's law states that the pressure and volume of a gas have an inverse relationship. That is, If volume increases, then pressure decreases and vice versa, when temperature is held constant. Therefore, increasing the volume in this case does not double the pressure owning to out gas law, but an increase in pressure would be noticed if temperature is constant

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3 years ago
Find the density of metal with a volume 4.0 cm and a mass of 8.0 grams.
olga_2 [115]
D=m/v

so,

d=8.0g/4.0cm

d=2

3 0
2 years ago
In most cases of fischer esterification, the carboxylic acid is the more "valuable" piece and the alcohol is used in excess. let
Daniel [21]
There are a lot of separation processes. To name a few, these can be distillation, centrifugation, extraction, membrane or sorption process and many other. To know which is the best technique, you should know the property between two substances that have a stark difference. In this case, it is the polarity. Ethyl alcohol is more polar than ethyl ester and less dense. Thus, these two won't mix. So, take advantage of their density difference by decantation or centrifugation.
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3 years ago
Explain the centrifuging ​
Lynna [10]

Answer:the force from spinning that moves things away from the center

Explanation: ap chem

3 0
3 years ago
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