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4vir4ik [10]
3 years ago
12

Which of these solutions has the highest freezing point?

SAT
2 answers:
Elenna [48]3 years ago
7 0

Answer:

A.  1.0 M molecular sucrose (C12H22O11)

Explanation:

1.0 M molecular sucrose (C12H22O11) has the highest freezing point.

Free_Kalibri [48]3 years ago
4 0

Answer:

A.  

1.0 M molecular sucrose (C12H22O11)

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A cube with volume 8 $\text{cm}^3$ is cut in half by a plane which contains two edges of the cube. What is the area of the recta
Maksim231197 [3]

The area of the rectangle formed by the intersection of the plane and cube is 4\sqrt{2}cm^2

The diagram of the cube and the cutting plane is shown in the figure.

Since the cube has a volume of 8cm^3, the sides are 2cm each.

From the diagram, the red rectangle is the rectangle formed from the intersection of the plane and the cube. It has an area given by

A_R=\text{side of cube}\times \text{diagonal}=2d

and, using Pythagoras' theorem,

d=\sqrt{2^2+2^2}\\d=\sqrt{8}=2\sqrt{2}\text{ cm}

Substituting the value of d into the formula for A_R

A_R=2\times d\\=2\times 2\sqrt{2}\\=4\sqrt{2}

The area of the rectangle formed by the intersection of the plane and cube is 4\sqrt{2}cm^2

Learn more about areas formed from cubes here: brainly.com/question/25636539

8 0
3 years ago
a copper coin resting on a piece of cardboard is placed on a beaker as shown in the diagram. when the cardboard is rapidly remov
aleksley [76]

Answer:

a. inertia

Explanation:

6 0
3 years ago
The surface tension of water in air is approximately 0.00518 lbf/ft. if the atmospheric pressure is 14.7psia, what is the pressu
strojnjashka [21]

Based on the calculations, the pressure inside this droplet is equal to 2,909.35 kPa.

<u>Given the following data:</u>

  • Surface tension = 0.00518 lbf/ft to N/m = 0.00702 N/m.
  • Atmospheric pressure = 14.7psia to kPa = 101.35 kPa.
  • Diameter = 0.01 mm to m = 0.00001 m.

Radius, r = \frac{diamter}{2} =\frac{0.0001}{2} = 0.000005 m.

<h3>How to determine the pressure inside a droplet.</h3>

For a droplet with only one surface, its pressure is given by this formula:

P_1-P_2=\frac{2 \tau}{r} \\\\P_1=\frac{2 \tau}{r}+P_2

Substituting the given parameters into the formula, we have;

P_1=\frac{2 \times 0.00702}{0.000005} + 101.35\\\\P_1=2808+ 101.35

Inside pressure = 2,909.35 kPa.

Read more on pressure here: brainly.com/question/24827501

8 0
2 years ago
Point e is drawn on the graph so that line ef is parallel to line cd. If the coordinates of point e are (, y), what is the value
netineya [11]

Based on the graph given, it can be deduced from the computation that the value of y will be -8.

Point C is given as (-10 , -2)  and D = (10 , 6)

The Slope of line CD = ( 6 - (-2) /( 10 - (-10) =  8/20  = 2/5

Since EF is parallel to line CD , the slope of EF = 2/5

Equation  y  = (2/5)x  + c

5y = 2x + 5c

It passes through F ( 6 , -4)

= 5(-4) = 2*6  + 5c

= -20 = 12 + 5c

5c = -32

5y = 2x - 32

Point E ( - 4 , y)

5y = 2(-4) - 32

5y = -8 - 32

5y = -40

y = -8

Therefore, the value of y is -8.

Learn more about graphs on:

brainly.com/question/19040584

8 0
2 years ago
Why am I so lonely? I have always been nice to people but they are never nice back. Could it be my love of famous athlete Robert
IgorLugansk [536]

Answer:

Of course its not your love for the athlete! The problem might be that you think you are nice but could be doing something wrong. try talking to someone that isnt nice back and ask what do you not like about me or something like that.

Explanation:

4 0
3 years ago
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