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3 years ago

Need this less than 4 minutes!! In which step do we see the chromosomes condense and meet up to form homologous pair?

Chemistry

1 answer:

nataly862011 [7]3 years ago

3 0

Answer:

Prophase I

Sorry if wrong I was rushing !!

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When does heat naturally move from cooler objects to warmer objects

Blizzard [7]

Conduction occurs when two object at different temperatures are in contact with each other. Heat flows from the warmer to the cooler object until they are both at the same temperature. Conduction is the movement of heat through a substance by the collision of molecules. At the place where the two object touch, the faster-moving molecules of the warmer object collide with the slower moving molecules of the cooler object.

8 0

3 years ago

77 grams of an unknown metal at 99ᵒC is placed in 225 grams of water which is initially at 22ᵒC. The water is inside a 44 gram a

BigorU [14]

Answer:

The specific heat capacity of the unknown metal is C = 0.6991 J/g°C = 0.1671 cal/g°C

Explanation:

Heat lost by the unknown metal is equal to the heat gained by the water and aluminium cup.

Given,

Mass of unknown metal = 77 g

Initial Temperature of unknown metal = 99°C

Mass of water = 225 g

Initial Temperature of water = 22°C

Mass of Aluminium cup = 44 g

Specific heat capacity of Aluminium cup = 0.22 cal/gᵒC = 0.92048 J/g°C

Final temperature of the setup = 26°C

Note that, specific heat capacity of water = 4.186 J/g°C

Let the specific heat of the unknown metal be C

Heat lost from the unknown metal

= (77)(C)(99 - 26) = (5,621C) J

Heat gained by water

= (225)(4.186)(26 - 22) = 3,767.4 J

Heat gained by Aluminium cup

= (44)(0.92048)(26 - 22) = 162.00448 J

Heat lost by unknown metal = (Heat gained by water) + (Heat gained by Aluminium cup)

5621C = 3,767.4 + 162.00448 = 3,929.40448

5621C = 3,929.40448

C = (3,929.40448 ÷ 5621) = 0.6991 J/g°C

C = 0.6991 J/g°C = 0.1671 cal/g°C

Hope this Helps!!!

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3 years ago

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Charles's Law of V/T = k were represented in graphical form, what it would look like?j

loris [4]

As far as I understand, you have to plot t(v) = v/k.
According to this, you have to use a form like that $y(x)=mx+b$ , in which $(x,y)=(V,T)$ .
Then you can see that the vertical-intercept is zero therefore the gradient should be is 1/k.
Do hope you will find my both answer helpful and useful. Regards!

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3 years ago

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Bella notices when she looks through a magnifying glass objects appear to be larger. A magnifying glass is used to magnify, or m

alisha [4.7K]

It uses a convex lense:)

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3 years ago

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Which of the following is NOT a property of a base?

Andreyy89

B).Proton acceptor did that help at all