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Anettt [7]
2 years ago
9

Which is a mixture?

Chemistry
2 answers:
DiKsa [7]2 years ago
5 0

Answer:

B. salt dissolved in water

Explanation:

a mixture is multiple substances mixed together

IRISSAK [1]2 years ago
3 0
B salt dissolved in water
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Consider the following reaction at 298 K: 2H2S(g)+SO2(g)→3S(s, rhombic)+2H2O(g),ΔG∘rxn=−102 kJ Is the reaction more or less spon
Taya2010 [7]

Answer:

The reaction is  more spontaneous than under standard conditions.

Explanation:

  • For ΔG°rxn, when it is:

negative: the reaction is spontaneous in the forward direction.

zero: the reaction is at equilibrium.

positive: the reaction is non-spontaneous in the forward direction and spontaneous in the reverse direction.

  • Since (ΔG°rxn = − 102 kJ) negative value:

<em>So, the reaction is  more spontaneous than under standard conditions. </em>

<em></em>

5 0
3 years ago
In the Beer-Lambert Law equation, what does the “b” represent?
Mkey [24]
The answer is Thickness of solution.

The Beer-Lambert Law equation has the following form:

A=E×b×c

Where A is absorbance, E <span>is the molar absorbtivity, </span>b is the path length of the sample and c <span>is the concentration of the compound in solution.
</span>
<span>Lamber-Ber's law shows that the absorbance of a solution is directly proportional to the concentration of the species to be absorbed, as well as the length of the path. For example, if the length of the path is constant, the UV / VIS spectroscopy can be used to determine the concentration of the absorbent substance in the solution.</span>


6 0
4 years ago
Read 2 more answers
2. When 400 J of heat is added to 5.6 g of olive oil at 23*C, the temperature increases to 87*C. What is the specific heat of th
Maksim231197 [3]

Answer:

The answer to your question is C = 1.116 J/g°C

Explanation:

Data

Q = 400 J

mass = 5.6 g

Temperature 1 = T1 = 23°C

Temperature 2 = T2 = 87°C

Specific heat = C = ?

Formula

Q = mC(T2 - T1)

- Solve for C

C = Q / m(T2 - T1)

- Substitution

C = 400 / 5.6 (87 - 23)

- Simplification

C = 400 / 5.6(64)

C = 400 / 358.4

- Result

C = 1.116 J/g°C

7 0
4 years ago
What is true about atoms when they bond? There may be more than one answer.
mylen [45]

Answer:

3. 5. and i think thats it

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3 years ago
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Please help on my science not sure what to put it under but here's the picture
Sergio [31]

Answer:

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Explanation:

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