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Nana76 [90]
3 years ago
5

It is expected that US forests will

Chemistry
1 answer:
rosijanka [135]3 years ago
6 0

Answer:

be able to meet long term timber needs.

Explanation:

Forest Services has been indicated for a long time the exhaustion of timer in the United States. However, in the recent decade, this trend has shown a reverse. The creation of nuclear energy and other technological developments that bring about drastic changes in our way of life. Gradually, the forest has recovered its trees and plants, and it is anticipated that timber will be available to meet long-term wood needs.

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Alkali metals react with water to produces what product?
atroni [7]

Answer:

  • <em>Alkali metals react with water to produce </em><u>hydroxide and hydrogen gas</u><u>.</u>

Explanation:

That is a chemical property of <em>alkali metals</em>: they are highly reactive and <em>react </em>vigorously <em>with water</em> to produce the correspondant hydroxide and hydrogen gas.

These are some of those reactions:

  • 2Li (s) + 2H₂O (l)  → 2LiOH (aq) + H₂(g) ↑

  • 2Na (s) + 2H₂O (l)  → 2NaOH (aq) + H₂(g) ↑

  • 2K (s) + 2H₂O (l)  → 2KOH (aq) + H₂(g) ↑

The alkali metals are the elements of group 1 of the periodic table: Li, Na, K, Rb, Cs, and Fr. They have one valence electron which may lose easily to form an ion with charge +1.

7 0
3 years ago
Need help please! Theres three parts to this that I don't understand at all
butalik [34]

Answer:

Chemical reaction B governs the process

Explanation:

The first part of the question asks to convert the mass of the calcium carbonate given to number of moles.

Mathematically;

Number of moles = mass/molar mass

Molar mass of CaCO3 = 100 g/mol

So the number of moles of CaCO3 will be 2.49/100 = 0.0249 moles

The second part of the question asks to convert the mass of carbon iv oxide to moles of carbon iv oxide

Mathematically;

That is same as ;

Number of moles = mass/molar mass

molar mass of CO2 is 44 g/mol

Number of moles of CO2 = 1.13/44 = 0.0256 moles

Now, if we compare the values of these number of moles, we can see that there are almost equal.

What this means is that the number of moles of calcium carbonate reacted is equal to the number of moles of carbon iv oxide produced.

So what we conclude here is that we have an equal mole ratio between the two compounds.

So the reaction that would be the correct answer will present equal number of moles of carbon iv oxide and calcium carbonate

Thus, we can see that reaction B is the one that governs this process as it is the only reaction out of the three options that present the two compounds with equal number of moles.

4 0
4 years ago
Balancing chemistry equations
kaheart [24]
<span>Because you've added coefficients to the molecules on the right side of the equation, the number of oxygen atoms has changed. ...Add a coefficient of 5 to the oxygen molecule on the left side of the equation. ...<span>C3H8 + 5O2 --> 4H2O + 3CO2.</span><span>The carbon, hydrogen, and oxygen atoms are balanced</span></span>
7 0
3 years ago
When you climb to the top of a water slide, you are gaining:
Annette [7]

Answer:

C

Explanation:

You climbing the water slide gives you potential energy and your building gravitational eneergy.

3 0
3 years ago
What is characteristic of an ionic bond?
amm1812
The correct answer is B
5 0
4 years ago
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