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xenn [34]
3 years ago
8

Given a certain chemical reaction the change of enthalpy is -91.8 kj/mol. The change of entropy is -198 j/k per mole. At what te

mperature will this change from unfavorable to favorable?
Chemistry
1 answer:
shusha [124]3 years ago
7 0

Explanation:

eheuryey3geudbdbeiejwh2u3y4brndiekwv 84has

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How dose the decay of the biomass contribute to the nitrogen in earth
lys-0071 [83]
When a biomass is decaying, decomposers are eating these and use it as their food. As a byproduct from these organisms, they release nitrogen to the earth in the form of nitrates or nitrates increasing the amount of nitrogen present in the Earth. Hope this helps.
7 0
3 years ago
What is true of an aqueous solution that is 15.0 percent HNO3 by mass?
djverab [1.8K]

Answer:

B. It contains 15.0 grams of HNO₃ per 100 grams of solution.

Explanation:

  • The percent of a solute in a solution is the mass of the solute (g) per 100 g of solution.

<em>So, an aqueous solution that is 15.0 percent HNO₃ by mass means that It contains 15.0 grams of HNO₃ per 100 grams of solution.</em>

6 0
4 years ago
Read 2 more answers
Which property describes the way substances react with other substances to form new substances?
maxonik [38]

Answer:

Chemical Property describes the way substances react with other substances to form new substances.

Explanation:

Hope it helps you

3 0
3 years ago
Read 2 more answers
The compound XCl4 contains 75.0% Cl by mass. What is the<br> element X?<br> nch of the following
krok68 [10]

The element X is titanium.

According to the question, the percentage by mass of Cl in XCl4  is 75.0%.

The percentage by mass is obtained from;

Mass of element in the compound/molar mass of compound * 100

Hence;

Let the mass of the unknown element be X

75 = 142/X + 142 * 100

75 (X + 142) = 142 * 100

75X + 10650 = 14200

75X =  14200 - 10650

X = 14200 - 10650/75

X = 47

Hence, X is titanium.

Learn more; brainly.com/question/1363167

7 0
3 years ago
How did the US government change its policy toward Native American land during the 1850s?
Tju [1.3M]

Answer:

The correct answer is B) They created new treaties and reservations that defined specific boundaries for each tribe

Explanation:

One of such acts which was used to reallocate the Native American Land was the General Allotment (Dawes) Act of 1887.

It gave permission to the Federal Government to modify the size and ownership structure of land belonging to the Native Americans. The end result was that the total amount of land originally belonging to the Native Americans reduced drastically over the next 500 years.

Cheers!

4 0
4 years ago
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