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trasher [3.6K]
3 years ago
12

Which equilibrium at one atmosphere pressure is correctly associated with Kelvin temperature at which it occur?a. ice-water equi

librium at 0 K
b. ice-water equilibrium at 32 K
c. steam-water equilibrium at 212 K
d. steam-water equilibrium at 373 K
Mathematics
1 answer:
Lostsunrise [7]3 years ago
7 0

Answer:

d. steam-water equilibrium at 373 K

Step-by-step explanation:

At one atmospheric pressure  , the boiling point of water is 100°C or 273+100 = 373 K in kelvin temperature scale.

so at this temperature vapor pressure of water and steam are in equilibrium .

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What is the formula to find the circumference of a circle and how do i do it?
Leni [432]

Answer:

circumference of a circle = 2*pi*radius

just multiply 3.14 (pi) by 2 by the radius/diameter divided by 2

3 0
3 years ago
There are a total of 64 students in a filmmaking club and a yearbook club. The filmmaking club has 14 more students than the yea
sattari [20]

Answer:

x + y = 64

x = y + 14

Step-by-step explanation:

Given:

Total number of student = 64

x = number of students in filmmaking club

y = number of students in yearbook club.

Computation:

So,

x + y = 64

And,

x = y + 14

So

Number of students in yearbook club = 25

Number of students in filmmaking club = 39

5 0
3 years ago
Kindly i need solution of these both parts a and b which are attached below
Nikitich [7]

9514 1404 393

Answer:

  a) 252 cm³, 252 cm², 705.6 g

  b) 240 cm³, 252 cm², 672 g

Step-by-step explanation:

The volume of each figure can be computed as the product of the base area (the side facing the viewer) and the "height" of the prism (the distance between bases).

The surface area of the prism is the sum of the two base areas and the "lateral area" consisting of the product of the base perimeter and the "height" of the prism.

The mass will be the product of volume and density.

__

ai) The base is a 3 cm by 8 cm rectangle together with a trapezoid with bases 3 cm and 6 cm, and height 7 - 3 = 4 cm.

  B = (3 cm)(8 cm) +(1/2)(3 cm +6 cm)(4 cm) = 24 cm² +18 cm² = 42 cm²

The "height" is 6 cm, so the volume is ...

  V = Bh = (42 cm²)(6 cm) = 252 cm³

__

aii) The perimeter of the base is the sum of its side lengths. Clockwise from left, the lengths are ...

  (8 +3 +2 +5 +3 +7) cm = 28 cm

Then the lateral area is ...

  LA = Ph = (28 cm)(6 cm) = 168 cm²

Adding this to the areas of the two bases, we get the total surface area:

  A = LA +2B = (168 cm²) + 2(42 cm²) = 252 cm²

__

aiii) The mass is the product of volume and density:

  M = ρV = (2.8 g/cm³)(252 cm³) = 705.6 g

____

bi) This trapezoidal prism has a base that has bases of 6 and 9 cm, and a height of 4 cm. The area of the base is ...

  B = (1/2)(b1 +b2)h = (1/2)(6 cm + 9cm)(4 cm) = 30 cm²

Then the volume is ...

  V = Bh = (30 cm²)(8 cm) = 240 cm³

__

bii) The lateral area is the perimeter of the base times the height of the prism:

  LA = Ph = (4 +6 +5 +9 cm)(8 cm) = 192 cm²

The total area is this area plus that of the two bases:

  A = LA +2B = (192 cm²) +2(30 cm²) = 252 cm²

__

biii) M = ρV = (2.8 g/cm³)(240 cm³) = 672 g

3 0
3 years ago
I can't figure out how to find the cubed root
andreev551 [17]
I hope this helps you

7 0
3 years ago
a tourist information center charges $10 per hour to rent a bicycle. is the rental charge proportional to the number of hours yo
PSYCHO15rus [73]
Yes they are because it is a constant rate of 10:1
8 0
3 years ago
Read 2 more answers
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