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Talja [164]
3 years ago
10

True or false: SOLIDS have a definite shape, a definite volume, and cannot flow.

Chemistry
2 answers:
madam [21]3 years ago
8 0

Answer:

true

Explanation:

because solids have strong intermolecular force of attraction so they have definite shape and volume and cannot flow

pychu [463]3 years ago
6 0

This statement is true.

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Which of the following can produce the most energy?
klasskru [66]

Answer:

The answer is C. Fusion.

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3 years ago
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Calculate the work (kJ) done during a reaction in which the internal volume expands from 18 L to 49 L against a vacuum (an outsi
IgorLugansk [536]

Answer:

b

Explanation:

b

4 0
3 years ago
`I am holding a balloon containing 439 mL of gas over my fireplace. The temperature and pressure of the gas inside the balloon i
Andrew [12]

Answer:

- 0.07 °C

Explanation:

At constant pressure and number of moles, Using Charle's law  

\frac {V_1}{T_1}=\frac {V_2}{T_2}

Given ,  

V₁ = 439 mL  = 0.439 L ( 1 L = 0.001 mL )

V₂ = 0.378 L

T₁ = 317.15 K

T₂ = ?

Using above equation as:

\frac{0.439}{317.15}=\frac{0.378}{T_2}

T_2=\frac{0.378\cdot \:317.15}{0.439}=273.08\ K

The conversion of T(K) to T( °C) is shown below:

T( °C) = T(K) - 273.15  

So, <u>T = 273.08 - 273.15 °C = - 0.07 °C</u>

3 0
4 years ago
A homogeneous portion of a mixture that is characterized by uniform properties and capable of being separated by mechanical mean
guapka [62]
The answer that would best complete the given statement above would be the term PHASE. Here is the complete statement. <span>A homogeneous portion of a mixture that is characterized by uniform properties and capable of being separated by mechanical means is called a PHASE. Hope this helps.</span>
8 0
3 years ago
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A container of gas occupies 3.5 L at 585 mmHg. What would the new pressure be if the volume decreases to 2.0L?
kodGreya [7K]

Answer:

1023.75mmHg

Explanation:

V1 = 3.5L

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P2 = ?

To solve this question, we'll require the use of Boyle's law which states that the volume of a fixed mass of gas is inversely proportional to its pressure provided that temperature is kept constant.

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P1 × V1 = P2 × V2

Solve for P2,

P2 = (P1 × V1) / V2

P2 = (585 × 3.5) / 2.0

P2 = 2047.5 / 2.0

P2 = 1023.75mmHg

The final pressure of the gas is 1023.75mmHg

5 0
3 years ago
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