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hammer [34]
3 years ago
6

Diamond has a density of 3.52 g/ml. what is the volume in cubic centimeters of a diamond with a mass of 15.1 g? 4.3 cm3 4.29 cm3

Chemistry
2 answers:
Kamila [148]3 years ago
6 0
Density of 3.52g/ml means for each milliliter of space there are 3.52 grams of diamond.

To set the stage:
\frac{3.52}{1}  =  \frac{15.1}{x}
Set the denominators equal:
\frac{3.52x}{x}  =  \frac{15.1}{x}
Remove the denominators:
3.52x = 15.1
Isolate x by dividing both sides by 3.52:
x = 4.289772 {cm}^{3}
V125BC [204]3 years ago
5 0

Answer : The volume of a diamond is, 4.29cm^3

Explanation : Given,

Density of a diamond = 3.52 g/ml

Mass of a diamond = 15.1 g

Formula used :

Density=\frac{Mass}{Volume}

Now put all the given values in this formula, we get the volume of a diamond.

3.52g/ml=\frac{15.1g}{Volume}

Volume=4.29ml=4.29cm^3

Conversion used : 1ml=1cm^3

Therefore, the volume of a diamond is, 4.29cm^3

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5. The amplitude of the ripples decreases as the circumference of the circle increases.

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6 0
2 years ago
An inverted pyramid is being filled with water at a constant rate of 45 cubic centimeters per second. The pyramid, at the top, h
vaieri [72.5K]

Answer:

13.20 cm/s is the rate at which the water level is rising when the water level is 4 cm.

Explanation:

Length of the base = l

Width of the base  =  w

Height of the pyramid = h

Volume of the pyramid = V=\frac{1}{3}lwh

We have:

Rate at which water is filled in cube = \frac{dV}{dt}= 45 cm^3/s

Square based pyramid:

l = 6 cm, w = 6 cm, h = 13 cm

Volume of the square based pyramid = V

V=\frac{1}{3}\times l^2\times h

\frac{l}{h}=\frac{6}{13}

l=\frac{6h}{13}

V=\frac{1}{3}\times (\frac{6h}{13})^2\times h

V=\frac{12}{169}h^3

Differentiating V with respect to dt:

\frac{dV}{dt}=\frac{d(\frac{12}{169}h^3)}{dt}

\frac{dV}{dt}=3\times \frac{12}{169}h^2\times \frac{dh}{dt}

45 cm^3/s=3\times \frac{12}{169}h^2\times \frac{dh}{dt}

\frac{dh}{dt}=\frac{45 cm^3/s\times 169}{3\times 12\times h^2}

Putting, h = 4 cm

\frac{dh}{dt}=\frac{45 cm^3/s\times 169}{3\times 12\times (4 cm)^2}

=13.20 cm/s

13.20 cm/s is the rate at which the water level is rising when the water level is 4 cm.

3 0
3 years ago
What are the molarity and osmolarity of a 1-liter solution that contains half a mole of calcium chloride? How many molecules of
givi [52]

Answer:

Molarity = 0.5 M

Osmolarity = 0.5 x 2 = 1 Osmpl.

Molecules of Cl2 = 6.02 x 10^{23} / 4= 1.505 x 10^{23} no. of molecules

Explanation:

If we add half mole in 1L volume than molarity will obviously be 0.5 M.

The osmolarity is molarity multiplies by number of dissociates of solute that for CaCl2 are 2. So, 2 x 0.5 = 1

Half will be molecules of Ca and half will be of Cl2 for 0.5M.

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