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baherus [9]
3 years ago
7

Dominic made the table below to organize his notes about mixtures. What mistake did Dominic make? The title should read “Propert

ies of Solutions” because some mixtures do not have all of the properties listed. There is a definite recipe to make each mixture, so the composition of a mixture is set. Although it is possible to have more than one state, it is also possible to have only one state. A single substance can be used to make a mixture if the substance is composed of more than one element.
Physics
2 answers:
Alex17521 [72]3 years ago
8 0

D.........................

Alekssandra [29.7K]3 years ago
8 0

Answer:

c

Explanation:

the answer is C guys i hope this help you

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Please answer formula is in text
Travka [436]

E=mc^2 n its given 1kg = 9x10^16J

so need to figure out the total mass loss n u can find the energy released

mass loss when 4x H atom combines to form 1x He atom in a fusion reaction is given as 4.59x10^-29kg

1 mole of He has 6.02x10^23 He atoms

so 2.7 moles of He has 2.7x6.02x10^23 He atoms

the total mass loss for 2.7 moles of He created in a fusion reaction

= 2.7x6.02x10^23 x 4.59x10^-29kg

= 7.46x10^-5kg

radiation energy released from this fusion reaction

= 7.46x10^-5 x 9x10^16J

= 6.7x10^12J

its 60 BILLION times more than burning carbon!!


7 0
3 years ago
Read 2 more answers
What supports a white dwarf against the crush of gravity?
weqwewe [10]

Answer:  In particular, electron degeneracy pressure is what supports white dwarfs against gravitational collapse, and the Chandrasekhar limit (the maximum mass a white dwarf can attain) arises naturally due to the physics of electron degeneracy.

Explanation:

5 0
3 years ago
explain why when water is poured on a dry class slab it spreads uniformly but it forms spherical droplets on a waxed glass slab​
Mars2501 [29]

Answer and Explanation:

The texture of the slabs affects the type of bonding the water molecules has with each other.

The dry glass slab allows the water to form cohesive bonds with each other, making the water stick to itself and not the slab, which makes it flow uniformly, or regularly.

The Waxed glass slab has a different texture that forms an adhesive-type bonding with water, making the water stick to the slab at certain parts/forming the spherical droplets.

<u><em>#teamtrees #PAW (Plant And Water)</em></u>

8 0
3 years ago
7) You think you have found a diamond. Its mass is 5.28 g and its volume is 2 cm3. Calculate the density
lesya [120]

Answer:

\boxed {\tt d=2.64 \ g/cm^3}

\boxed {\tt Not \ a \ diamond}

Explanation:

Density can be found by dividing the mass by the volume.

d=\frac{m}{v}

The mass is 5.28 grams and the volume is 2 cubic centimeters.

m=5.28 \ g\\v= 2 \ cm^3

Substitute the values into the formula.

d=\frac{5.28 \ g }{2 \ cm^3}

Divide.

d=2.64 \ g/c^3

The density of the unknown substance is 2.64 grams per cubic centimeter.

The density of a diamond is about 3.5 grams per cubic centimeter. Since 2.64 is not equal to 3.5, the unknown substance is not a diamond.

6 0
4 years ago
A race car makes two and a half laps around a circular track in 3.0 min. what is the car's average angular speed?
qaws [65]
<span>Angular speed = total degree / time As = 360*(2.5) / 3.0 min (60) As = 900 deg / 180 s As =5 Degree / second</span>
5 0
3 years ago
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