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GREYUIT [131]
4 years ago
10

How many moles of Pb(no3)3 will be required to react with 0.64 mole of KCl?

Chemistry
1 answer:
nydimaria [60]4 years ago
7 0
Dhjrekrjejejejrmrrkrkrirmfkfkrkrkrk
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Various plant and animal species are on the verge of extinction.
olga2289 [7]

Answer:

  1: A.) adapted

  2: A.) habitat destruction

Explanation:

Some (few) animals are capable of adjusting their behaviors in relation to human activity and the changes humans make in their habitat. Most are so well adapted to the details of their habitat that they are incapable of surviving when those details change.

"Because all organisms are <u>adapted</u> to their native habitat, human activities that result in <u>habitat destruction</u> are a major reason for their extinction."

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<em>Comment on human activities</em>

My friendly local rodent exterminator observed that rodent activity has picked up substantially, since so much human activity has been curtailed by quarantine orders.

3 0
3 years ago
The equation 2Na + Cl2 ---&gt; 2NaCl, 2 NaCl is a:<br><br>​
makkiz [27]

\huge\mathrm {Answer࿐}

\mathrm{2Na + Cl_2  \rightarrow2NaCl}

In the above equation, the product formed is :

\large\boxed{ \mathrm{NaCl}}

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6 0
3 years ago
A jar is filled with water, and the lid is closed tightly. The jar is kept at constant temperature. What happens at the surface
nata0808 [166]
If there is a close container with some water, the following procedures take place.
Initially, the system contains only liquid, and air above it. As evaporation starts (the rate of evaporation is constant for the specific temperature of the water), the molecules from the surface of the liquid escape into vapour state, in the confined space above. Therefore, the level of liquid falls.
Then starts the process of condensation. This is the conversion of vapour into liquid. Initially, escaped molecules (from liquid state) move randomly in all directions and collide with one another. As more and more molecules enter the confined space, some slow-moving molecules are pushed back. They collide with the surface of the liquid to reconvert into liquid.
In the initial stages, the rate of evaporation (constant) is more than the rate of condensation because only small number of molecules are present in the gaseous state. The rate of condensation thereafter gradually increases as the number of molecules in the gaseous phase increases. Finally, a stage is reached when the rate of the two opposing processes is the same.
The state where the rate of evaporation becomes equal to the rate of condensation is called a state of dynamic equilibrium. In such a state, although the amount of liquid level in the container does not change, evaporation has not stopped and the system is not at rest. In fact, the number of molecules, which escape from the liquid to the gaseous phase (due to evaporation), becomes equal to the number of vapour molecules that return to the liquid
4 0
3 years ago
3. (04.03 LC)
Masja [62]
Physical change!


a solid that turns into a liquid is called melting and melting is a physical change.


something like that. sorry if it’s wrong
6 0
3 years ago
Read 2 more answers
Some plant seeds are adapted to develop only at extremely high temperatures. For what environmental change are
Hoochie [10]

Answer:

Forest Fire

Explanation:

Forest fire is an ecological factor over which biological processes like seed dispersal and their germination is dependent upon. Some plants germinate under high temperature underground regions of the soil which is covered by the hot soil affected by the burning by the forest fire. Some of the coniferous trees like longpole pines have hard cone which exhibit the seeds. These cones exhibit the serotonin resins which are melted by the forests fire hence fire helps in dispersal of the seeds.  Other plants like Eucalyptus and Banksia are also dependent upon fire for seed dispersal.

4 0
3 years ago
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