What the 4 main parts to a flower science i cant find it in the supject

Chemistry

2 answers:

Andreas93 [3]2 years ago

6 0

Answer:

<h2>Calyx, corolla, androecium, and gynoecium a.k.a the 4 main parts of a flower. </h2>

kondaur [170]2 years ago

5 0

stem, roots, leaves and flower

I hope it helps

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Can someone help me understand what 1b is asking and how to answer it?

icang [17]

The question is basically asking what is happening to the energy (that is in the form of heat) when it is being absorbed by an object. The energy being absorbed from the heat source is being turned into kinetic energy. This can be explained by temperature change. As you add more heat to an object, the temperature rises. Since temperature is the average kinetic energy of all of the molecules in an object, we can say that as temperature rises so does the kinetic energy of the molecules in the object. Due to the fact that heat is causing the temperature to increase, we can say that the energy from the heat is being turned into kinetic energy.

I hope this helps. Let me know in the comments if anything is unclear.

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2 years ago

For the reaction below, if the rate of appearance of Br2 is 0.180 M/s, what is the rate of disappearance of

brilliants [131]

Answer:

–0.360 M/s

Explanation:

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3 years ago

Which reaction will occur? 2NaBr+I2 —> 2NaI + Br2

Veronika [31]

Answer:

This is a single replacement reaction because I replaces Br.

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3 years ago

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A plant extract can be obtained with organic solvents such as acetone or ethyl alcohol, and is composed of plant pigments such a

prohojiy [21]

Answer:

Here's what I get

Explanation:

A plant extract is a mixture because it contains different substances: acetone or ethanol, chlorophylls A and B, carotene and xanthophylls.

It is homogeneous because it is a solution. There is only one phase: the liquid phase. You cannot see the pigments as separate phases.

You can separate the pigments by paper, thin layer, or column chromatography.

Many schools use paper chromatography, because paper is cheap.

As the mixture of pigments follows the solvent up the paper, they separate into different coloured bands according to their attractive forces to the cellulose in the paper.

The chlorophylls are strongly attracted to the paper, so they don't travel very far.

The nonpolar carotene molecules have little attraction to the polar cellulose, so they are carried along by the solvent front.