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3 years ago

What are the 5 forces that cause erosion?

Chemistry

2 answers:

Ymorist [56]3 years ago

5 0

Waves, gravity, running water, ice, and wind ;)

Vikentia [17]3 years ago

3 0

Gravity, running water (rivers, etc.), wind, waves,and glaciers.

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Explain the term respiration and how this process increases the percentage of carbon dioxide in the atmosphere.

sammy [17]

Answer:

Please find the explanation to this question below.

Explanation:

4 0

3 years ago

Given these reactions, X ( s ) + 1 2 O 2 ( g ) ⟶ XO ( s ) Δ H = − 668.5 k J / m o l XCO 3 ( s ) ⟶ XO ( s ) + CO 2 ( g ) Δ H = +

qwelly [4]

<u>Answer:</u> The $\Delta H^o_{rxn}$ for the reaction is -1052.8 kJ.

<u>Explanation:</u>

Hess’s law of constant heat summation states that the amount of heat absorbed or evolved in a given chemical equation remains the same whether the process occurs in one step or several steps.

According to this law, the chemical equation is treated as ordinary algebraic expressions and can be added or subtracted to yield the required equation. This means that the enthalpy change of the overall reaction is equal to the sum of the enthalpy changes of the intermediate reactions.

The given chemical reaction follows:

$X(s)+\frac{1}{2}O_2(g)+CO_2(g)\rightarrow XCO_3(s)$ $\Delta H^o_{rxn}=?$

The intermediate balanced chemical reaction are:

(1) $X(s)+\frac{1}{2}O_2(g)\rightarrow XO(s)$ $\Delta H_1=-668.5kJ$

(2) $XCO_3(s)\rightarrow XO(s)+CO_2$ $\Delta H_2=+384.3kJ$

The expression for enthalpy of the reaction follows:

$\Delta H^o_{rxn}=[1\times \Delta H_1]+[1\times (-\Delta H_2)]$

Putting values in above equation, we get:

$\Delta H^o_{rxn}=[(1\times (-668.5))+(1\times (-384.3))=-1052.8kJ$

Hence, the $\Delta H^o_{rxn}$ for the reaction is -1052.8 kJ.

7 0

3 years ago

if you take a dried out white rose and place the stem in food coloring, will the rose turn the color you put the stem in

cricket20 [7]

Answer:

Yes, this is true. The reason is that the flower transpires and sucks the water in and distributes it as much as it can. You can also flip it upside down and hang it with petals down , allowing the liquid to enter the flower and then retaining color for longer periods of time and having more color.

Explanation:

7 0

3 years ago

Which one is the catalyst?

yan [13]

Answer:

the catalyst is the two gray dots

5 0

2 years ago

How many electrons are in the 3p sublevel of Sulfur?

goldenfox [79]

There are FOUR electrons in the 3p sub-level of sulfur....

3 0

3 years ago