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Makovka662 [10]
3 years ago
7

Chloroplasts definition

Physics
1 answer:
Ratling [72]3 years ago
7 0

Answer:

(in green plant cells) a plastid that contains chlorophyll and in which photosynthesis takes place.

Explanation:

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Metallic bonds are important to how paperclips are both made and used. Which statement best describes how metallic bond properti
Vikentia [17]
<span>The statement that best describes how metallic bond properties are important for making and using paperclips is Ductility is important for making paperclips, and malleability is important for using them. 

Ductility is defined as the ability of the solid material to stretch under tensil stress. The metal of the paper clip is ductile when paperclips are made because the metal is stretch until it forms a wire.

Malleability is defined as the ability of the solid material to deform under pressure. Paperclips are very malleable. It can be manipulated into forming different shapes with the used of our hand strength.
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3 0
4 years ago
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Ice cube is dropped into a glass of water. Describe the motion of the ice cube and explain why it moves this way
krek1111 [17]
The motion of the ice cube: falling. it falls because you move it with force and drop it that makes it fall.
3 0
4 years ago
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Calculate the value of ∆g for these initial partial pressures. (the partial pressure of each gas is set a 5. 0 atm at 25°c) (use
Sati [7]

∆g for these initial partial pressures is 10,403.31 KJ.

   

ΔG gets increasingly positive as a product gas's partial pressure is raised. ΔG becomes more negative as the partial pressure of a reactant gas increases.

                                  ∆g = RT ln (q/k)

In this equation: R = 8.314 J mol⁻¹ K⁻¹ or 0.008314 kJ mol⁻¹ K⁻¹

                            K = 325

If ΔG < 0, then K > Q, and the reaction must proceed to the right to reach equilibrium.

∴∆g = RT ln (q/k)

        = 8.314 × 298 ln ( 5 / 325)

        = 2477.57 ln 0.015

        = 2477.57 × (-4.199)

        = 10,403.31 KJ

Products are preferred over reactants at equilibrium if G° 0 and both the products and reactants are in their standard states. When reactants are preferred above products in equilibrium, however, if G° > 0, K 1. At equilibrium, neither reactants nor products are preferred if G° = 0, hence K = 1.

Therefore, ∆g for these initial partial pressures is 10,403.31 KJ.

Learn more about equilibrium here:

brainly.com/question/13414142

#SPJ4

7 0
1 year ago
Can someone help me with 6 and 7
natulia [17]
A because the dot nearst to a
5 0
4 years ago
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A person pulls a bucket of water up from a well with a rope. Assume the initial and final speeds of the bucket are zero (Vi-Vf-0
n200080 [17]

Answer:

a

This a closed system because the mass of the system is conserved

The energy system that undergoes change is the Potential energy system

The energy system diagram is shown on the first uploaded image

b

Work done = Change in gravitational potential energy

So solving algebraically for work done would be

    Work done   = m*g*h

where m is mass

          g is acceleration due to gravity

          and h is the height

c

Work done in terms of force and distance is = mg

where  m is mass of bucket and

            g is acceleration due to gravity  

Explanation:

a) At the start, potential and kinetic energy were zero. so, energy is zero.

As the person pulls the bucket up, the potential energy becomes mgh.

so,final energy will be consisting of only potential energy.

B) Here work done is equal to change in gravitational potential energy.

W = \Delta P.E

W = m*g*h

where g = 9.9 m/s^2

C) Work = force * distance

mgh = force * h

force = mg

force = weight of bucket

6 0
3 years ago
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