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Nadusha1986 [10]
3 years ago
11

What is one ecosystem you can think of? What non-living and living things are found in your ecosystem?

Chemistry
1 answer:
kkurt [141]3 years ago
5 0
A swamp. There are frogs, snakes, alligators, etc... and on behalf of the non living things in my ecosystem consist of leaves, lily pads and moss.
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A pot of boiling water on the stove is slowly releasing steam. Which process is this an example of?
Viktor [21]

evaporation. When a substance undergoes a change of matter from a solid to gas, it is the process of evaporation.

Hope this helps

8 0
2 years ago
Determine the enthalpy for this reaction: Al(OH)3(s)+3HCl(g)→AlCl3(s)+3H2O(l)
ivanzaharov [21]
<span>Important information to solve the exercise :
Substance ΔHf (kJ/mol):
HCl(g)= −92.0 </span><span>kJ/mol
Al(OH)3(s)= −1277.0 </span><span><span>kJ/mol
</span> H2O(l)= −285.8 </span><span>kJ/mol
AlCl3(s) =−705.6 </span><span>kJ/mol

</span><span>Al(OH)3(s)+3HCl(g)→AlCl3(s)+3H2O(l)
    reactants                         products

products- reactants:</span><span>

(−705.6) + (3 x −285.8) - ( −1277.0 ) - (3 x −92.0 ) = - 10.0 </span>kJ per mole at 25°C
<span>
</span>






6 0
2 years ago
If the pH of vinegar is 3.0, what is the concentration of H+ in vinegar?
Cerrena [4.2K]

Answer: The concentration of H^{+} ions in vinegar is 0.001 M.

Explanation:

Given: pH = 3.0

pH is the negative logarithm of concentration of hydrogen ion.

The expression for pH is as follows.

pH = - log [H^{+}]

Substitute the value into above expression as follows.

pH = - log [H^{+}]\\3.0 = - log [H^{+}]\\conc. of H^{+} = antilog (- 3.0)\\= 0.001 M

Thus, we can conclude that the concentration of H^{+} ions in vinegar is 0.001 M.

5 0
2 years ago
How many neutrons does the element in group 15<br> and period 4 have ?
alexira [117]
The answer is 19 ahhahaha
4 0
2 years ago
Rob measures the solubility of three different salts in water at 22°C. Which type of graph should he use to display his data?. b
sveta [45]
To present his data on the <span>solubility of three different salts in water at 22°C, bar graph should be used since there are different salts and the only variable is the type of salt used. Line graph and scatter plot use two coordinates or variables and is common to comparing data using the same sample while using histogram to find out data distribution is irrelevant.</span>
7 0
3 years ago
Read 2 more answers
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