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sergejj [24]
3 years ago
9

An object submerged into 50 cm^3 of water raises the water level to 65 cm^3. The mass of the object is 30 g. What is its density

?
Chemistry
1 answer:
Anna007 [38]3 years ago
8 0

Answer:

Convert the volume to m³.

Explanation:

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Molarmass of beryllium is 9.0
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A GFCI is an example of what kind of electrical safety device?
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Circuit breaker.

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Which statement best describes how energy is important to chemistry?
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C. Energy is absorbed and released during chemical reactions,

Explanation:

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A balloon inflated in a room at 25oC has a volume of 3.00 L. If the balloon is heated at a constant pressure, at what temperatur
Alexeev081 [22]

Answer:

596K

Explanation:

Using Charles law equation;

V1/T1 = V2/T2

Where;

V1 = initial volume (L)

V2 = final volume (L)

T1 = initial temperature (K)

T2 = final temperature (K)

According to the information provided in this question,

V1 = 3.00 L

V2 = double of V1 = 2 × 3.00 = 6.00 L

T1 = 25°C = 25 + 273 = 298K

T2 = ?

Using V1/T1 = V2/T2

3/298 = 6/T2

Cross multiply

298 × 6 = 3 × T2

1788 = 3T2

T2 = 1788 ÷ 3

T2 = 596K

8 0
3 years ago
. Write an equation for the combined gas law, using temperature in degrees Celsius. Explain why the Kelvin scale is convenient.
NemiM [27]

Answer:

<em>P1V1</em><em>/</em><em>(</em><em>c1</em><em>+</em><em>2</em><em>3</em><em>7</em><em>)</em><em>=</em><em>P2V2</em><em>/</em><em>(</em><em>c2</em><em>+</em><em>2</em><em>3</em><em>7</em><em>)</em><em> </em><em>where </em><em>c</em><em>=</em><em>Celsius</em>

Explanation:

kelvin scale is alot covinent because of it absolute zero

8 0
3 years ago
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