3 years ago

What is pollination?

1 answer:

5 0

Pollination is the act of transferring pollen grains from the male anther of a flower to the female stigma.

Hopefully that helped! Maybe just change up the words a bit <3

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How do plants release energy

ololo11 [35]

Answer:

no but oxygen

Explanation:

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3 years ago

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2. What are the different areas of an electron cloud called?

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3 years ago

What mass of f2 is needed to produce 120. g of pf3 if the reaction has a 78.1% yield?

lesya692 [45]

write the equation for the reaction

that is 6 F2 +P4 =4 PF3

find the theoretical mass that is

let the theoretical yield be represented by y

theoretical yield = 78.1/100 = 120/y

y= 153.6 grams

find the number of moles of PF3

moles = mass/molar mass

= 153.6/87.97 =1.746 moles

by use of mole ratio between F2 :PF3 which is 6:4 the moles of F2 is therefore= 1.746 x 6/4 = 2.62 moles

mass = moles x molar mass

= 1.746 moles x38 g/mol = 99.6 grams

6 0

3 years ago

Ion<br> If we add an electron to a stable element we call it a(n)_____ion<br><br> anion<br> cation

masha68 [24]

The answer is a cation, I may be wrong but cation is plus and anion is subtract

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3 years ago

Draw the circuit symbol that would represent the 9V battery

lora16 [44]

I hope this picture helps

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2 years ago