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OleMash [197]
4 years ago
15

The volume of 2 g/ml

Chemistry
1 answer:
saul85 [17]4 years ago
3 0
Density =2g/. volume =25.0ml. density =6g/ml.
volume =42ml. mass=4grams. density =2g/ml m=0 xv m=2g/ml ×25ml
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Water (2850 g ) is heated until it just begins to boil. If the water absorbs 5.53×105 j of heat in the process, what was the ini
NARA [144]

Answer is 54 °C.

<em>Explanation;</em>

We can simply use heat equation

Q = mcΔT  

 Where Q is the amount of energy transferred (J), m is the mass of the substance (kg), c is the specific heat (J g⁻¹ °C⁻¹) and ΔT is the temperature difference (°C).

Let's assume that the initial temperature is T.

Q = 5.53 × 10⁵ J

m = 2850 g

c = 4.186 J/g °C

ΔT = (100 - T)  °C     <em>Since the water is boiling, the final temperature is 100 °C.</em>

By applying the equation,

5.53 × 10⁵ J  = 2850 g  x 4.186 J/g °C  x (100 - T)  °C

(100 - T)  °C = 5.53 × 10⁵ J  / (2850 g  x 4.186 J/g °C  )

(100 - T)  °C = 46.35 °C

         T        = 100 - 46.35 C = 53.65 °C

                   ≈ 54 °C

7 0
4 years ago
What it the short answer<br> 2 2/3 + 4 1/8 =
tankabanditka [31]

Long answer- 6.79166666667

Short answer- 6.791

I think that is the short answer, if not I apologize. Have a wonderful day! :)

5 0
3 years ago
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Reptile [31]

_______________________________

<h2 /><h2 /><h2>Kendall</h2>

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6 0
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OleMash [197]

Answer:

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Explanation:

The answer A is the best answer because it contains the most general characteristic of a chemical change.

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Which formula can represent hydrogen ions in an aqueous solution?
faltersainse [42]

Answer:

H30+(aq)

Explanation:

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3 years ago
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