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Rzqust [24]
3 years ago
9

How does a tiny seed turn into a tree overtime?

Chemistry
1 answer:
12345 [234]3 years ago
3 0

Answer:

A group of cells ready to form roots a stem and the first leaves

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4Fe+3O2<br><br> I really have no idea how to do this.. HELP
Jlenok [28]
Reorder 4Fe and 3O2.
3O2 + 4Fe
3 0
3 years ago
Which statement is true according to the kinetic theory?
zhannawk [14.2K]
<span>c.Solids have a fixed shape, so they do not show random motion of particles.</span>
4 0
3 years ago
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Explain why, at room temperature, CO2 is a gas and CS2 is a liquid. You may use diagrams as part of your explanation.
eduard

Explanation:

A. Hydrogen bonding is present in CS2 but not in CO2.

B. CS2 has greater dipole moment than CO2 and thus the dipole-dipole forces in CS2 are stronger.

C. CS2 partly dissociates to form ions and CO2 does not. Therefore, ion-dipole interactions are present in CS2 but not in CO2.

D. The dispersion forces are greater in CS2 than in CO2.

<u><em>PLS MARK BRAINLIEST :D</em></u>

3 0
2 years ago
Teniendo en cuenta los siguientes fenómenos: ebullición del agua- movimiento de un cuerpo- disolución de sal en agua- combustión
miv72 [106K]

Answer:

Las siguientes son reacciones químicas;

combustión de leña

oxidación del hierro

descomposición del agua en hidrógeno y oxígeno

Explanation:

Una reacción química da como resultado la formación de una (s) sustancia (s) nueva (s), mientras que un cambio físico no conduce a la formación de una sustancia nueva.

Las siguientes son reacciones químicas;

combustión de leña: la combustión de madera implica la oxidación del carbono según la reacción; C (s) + O2 (g) -------> CO2 (g)

oxidación del hierro: La oxidación del hierro conduce a la formación de óxidos de hierro. Como; 2Fe (s) + O2 (g) ----> 2FeO (s)

descomposición del agua en hidrógeno y oxígeno: esta es una reacción química en la que el agua se descompone de la siguiente manera; 2H2O (l) -----> 2H2 (g) + O2 (g)

Todos estos procesos enumerados anteriormente conducen a la formación de nuevas sustancias, por lo tanto, son reacciones químicas.

3 0
2 years ago
How many moles of Na are needed to produce moles of NaCl in the reaction below
MArishka [77]
I think it’s 1 mole
If Iam not mistaken
3 0
3 years ago
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