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ddd [48]
3 years ago
11

Which of the following describes an impact of the specific heat of water on the planet and the life forms that exist on it?

Chemistry
2 answers:
photoshop1234 [79]3 years ago
8 0

Answer: D) sweat requires a lot of thermal energy to be absorbed to evaporate

Explanation:

i took the test

Anit [1.1K]3 years ago
6 0

Answer:

The answer is D, "sweat requires a lot of thermal energy to be absorbed to evaporate."

Explanation:

Like the other person, I just took the test.

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The concentration of hydronium ions is greater than 1 × 10–7 for basic solutions. True False
Nataly [62]

Answer : The given statement is, false.

Explanation :

Ionic product of water : It is defined as the product of the concentration of hydrogen ion and the concentration of hydroxide ion.

The mathematical expression will be,

[H^+][OH^-]=10^{-14}

When the concentration of hydrogen ion and hydroxide ion are equal then the solution is neutral and the value will be, 1\times 10^{-7}. And the pH of the solution is, 7.

When the concentration of hydrogen ion is greater than 1\times 10^{-7} then the solution is acidic in nature. And the pH of the solution is, less than 7.

When the concentration of hydrogen ion is less than 1\times 10^{-7} then the solution is basic in nature. And the pH of the solution is, greater than 7.

Hence, the given statement is false.

5 0
3 years ago
In chemical reactions, how does the valence configuration of bromine tend to change?
Strike441 [17]

Answer: Near the Protons. The electron structure of bromine is illustrated above. In chemical reactions, how does the valence configuration of Bromine tend to change? ... It loses one electron.

Explanation:

btw i found that on google lol

3 0
3 years ago
Rosa preparo una disolución de agua salada mezclando 120 mg de agua con 5 mg de sal comun ¿ que concentración tiene la disolució
enot [183]

Concentration of the solution (% mass) = 4%

<h3>Further explanation</h3>

<em>Rosa prepared a salt water solution by mixing 120 mg of water with 5 mg of common salt, what concentration is the solution she prepare?</em>

<em />

<em />\tt \%mass=\dfrac{mass~solute}{mass~solution}\times 100\%<em />

mass solute=mass of salt=5 mg

mass solution :

mass solute(salt)+mass solvent(water) :

\tt 5~mg+120~mg=125~mg

\tt \%mass=\dfrac{5~mg}{125~mg}\times 100\%\\\\\%mass=4

3 0
3 years ago
What is the mass of 6.02 × 1023 molecules of Fe2O3?
LenKa [72]

Answer: 160 g Fe2O3

Explanation: solution attached.

First convert molecules to moles using Avogadro's number then convert to mass using the relationship between moles and molar mass of Fe2O3

4 0
3 years ago
A chemical reaction is at equilibrium. what will be the effect if more of the product is added? question 10 options: the reactio
VashaNatasha [74]

The answer is <span>the reaction will shift to the left (toward the reactants).

Reaction is at equilibrium can be expressed as,
      Reactants </span>⇄ products<span>

<span>After coming to the equilibrium, if one condition is changed, then according to the </span>Le chatelier's Principal,<span> the system will act to maintain the equilibrium by reducing the effect. As an example, if we reduce the pressure, then system acts to increase the pressure to maintain the equilibrium.</span>

<span>Likewise, if we add products into the reaction which is in equilibrium, the system acts to reduce the effect by promoting the backward reaction to produce reactants.</span></span>

5 0
3 years ago
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