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3 years ago

Dermal tissue in plants, is most like what tissue in humans?

1 answer:

7 0

The dermal tissue is basically the outer part of the cell that protects the plant cell so in that case it would be the carbohydrate or cell wall. If you would put the choices it could have been a bit better :)

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If you need to make 240 g lioh, how many grams of li3n must you react with excess water?

Savatey [412]

Answer is: 116,1 g of Li₃N.
Chemical reaction: Li₃N + 3H₂O → 3LiOH + NH₃.
m(LiOH) = 240g.
n(LiOH) = m(LiOH) ÷ M(LiOH).
n(LiOH) = 240 g ÷ 24 g/mol = 10 mol.
from chemical reaction: n(LiOH) : n(Li₃N) = 3 : 1.
10 mol : n(Li₃N) = 3 : 1.
n(Li₃N) = 3,33 mol.
m(Li₃N) = n(Li₃N) · M(Li₃N)
m(Li₃N) = 3,33 mol · 34,85 g/mol = 116,1 g.

8 0

3 years ago

Read 2 more answers

Predict the product 1-bromo propane is treated with sodium metal

Alja [10]

When 1-bromo propane is reacted with sodium metal, the propane and sodium bromide are formed.

Propane and sodium bromide are produced when the 1-bromo propane is reacted with sodium metal.
The Bromine which is present in the 2-bromopropane is removed through hydrogenation and combines with the sodium metal which results in the production of propane and sodium bromide.
So we can conclude that propane and sodium bromide are produced when the 1-bromo propane is reacted with sodium metal.

Learn more about 1-bromo propane here: brainly.com/question/25597694

Learn more: brainly.com/question/25952418

8 0

2 years ago

When these bond to make ccl4, what is the shape of a ccl4 molecule? linear circular tetrahedral trigonal planar

Aleks04 [339]

Its tetrahedral since there's four chlorine molecules around carbon

4 0

4 years ago

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g Consider the following system at equilibrium where H° = -87.9 kJ, and Kc = 83.3 , at 500 K: PCl3 (g) + Cl2 (g) PCl5 (g) If the

Ksivusya [100]

Answer:

C. Remains the same

A. Is greater than Kc

B. Run in the reverse direction to restablish equilibrium.

C. Remain the same

Explanation:

As the reaction is exothermic (ΔH < 0), when occurs, produce heat.

Based on Le Chatelier's principle, if the temperature decreases, <em>the system will produce more product trying to restore the equilibrium</em>

* The value of Kc doesn't change because is the constant of the reaction, Kc. That is,

<h3>C. Remains the same</h3>

* Qc is the ratio between products and reactants. As more product is produced, Qc will increase becomes:

<h3>A. Is greater than Kc</h3>

*After the formation of product, the system must:

<h3>B. Run in the reverse direction to restablish equilibrium. </h3>

Because product is produced

*Cl₂ as reactant is consumed producing more product, decreasing its concentration. But when the equilibrium is restored, its concentration would be the same

<h3>C. Remain the same</h3>

3 0

3 years ago

1. The s orbitals are not symmetrical in shape.<br> a. TRUE<br> O. FALSE

ira [324]

The s orbitals are not symmetrical in shape is a FALSE statement.

An s orbital is so symmetric, more specifically spherically symmetric that it looks the same from all directions.

The atomic orbitals in the atoms of elements differ in shape.

In essence, the electrons they describe have varying probability distributions around the nucleus. The spherical symmetry of s orbitals is evident in the fact that all orbitals of a given shell in the hydrogen atom have the same energy.

All s orbitals are spherically symmetrical. Put simply, an electron that occupies an s orbital can be found with the same probability at any orientation (at a distance) from the nucleus.

The s orbitals are therefore represented by a spherical boundary surface which is a surface which captures a high proportion of the electron density.

Read more:

brainly.com/question/5087295

4 0

2 years ago