3 years ago

How come flowers usually contain more stamen the pistils

1 answer:

5 0

<span>To make sure there are enough pollen to fertilize the seeds from the pistil. Not all pollen can make it to the pistil. It's the same as animals producing millions of sperms although only one is needed for fertilization.</span>

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a). Consider an ideal gas with an absolute temperature of T1. To what temperature would you need to heat the gas to double its p

Virty [35]

For an ideal gas, we use the ideal gas equation to relate pressure, volume and temperature changes. It is expressed as:

PV=nRT

For this case, we set V, n as constant.

P/T = nR/V = constant = k
P = kT

P1/T1 = P2/T2
P1/T1 = 2P1 / T2
T2 = 2P1(T1) / P1
T2 = 2T1

Therefore, in order to double the pressure of the system, we need to double the temperature as well at constant volume and number of moles.

7 0

4 years ago

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Texture provides clues about how igneous rocks were formed A. true B. False

hammer [34]

A.) true

Because the rocks are formed near lava so the texture would be smooth

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3 years ago

Why is the use of high-frequency radio waves a beneficial technological advancement

Lynna [10]

Answer:

I think It's C

Explanation:

due to higher waves can get easy transfers and receive those signals for most things, such as radios, TVs, phone signals etc etc

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3 years ago

What would be the new volume if the pressure on 600 L is increased from 90.0 kPa to 150 kPa?

Liono4ka [1.6K]

Answer:

new Volume of gas=360L

Explanation:

Assume that given gas follow the ideality nature of gas

Assuming that temperature is constant;

P1 and V1 are the initial parameter of gas

and p2 and V2 are the parameter after increasing the pressure

according to boyle 's law pressure is inversly proportional to the volume at constant temperature.

$P_1V_1=P_2V_2$

given value of volume and gas

P1=90kPa

V1=600L

P2=150kPa

V2=?

After putting all values we get;

V2=360L

new Volume of gas=360L

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3 years ago

Which of these is a physical property?

uysha [10]

Answer:

the boiling point of water is 100°C

Explanation:

7 0

4 years ago

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