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lbvjy [14]
3 years ago
9

Hand lotion is what kind of mixture?

Chemistry
1 answer:
Sveta_85 [38]3 years ago
7 0
It is a homogenous mixture because it cannot be separated by physical means. And also, it is even all over.
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The RNA and DNA backbone differ because the DNA sugar is missing what element?
hammer [34]

Answer:

D.

Explanation:

4 0
2 years ago
c) A substance has a high melting point and conducts electricity. What type of structure does it have
trapecia [35]

Answer:

Metallic structure

Explanation:

They have a high melting point due to the strong forces of attraction between the positive ions (cations) and the delocalised electrons. Moreover, they conduct electricity due to the sea of delocalised electrons.

<em>[Extra: It could be an ionic compound since they also have a high melting point, however they only conduct electricity in liquid or aqeouus state.]</em>

6 0
2 years ago
Why doesn’t a broken wineglass spontaneously fix itself, from a thermodynamic point of view?
Alla [95]
The answer is the option<span> 3.) Fixing a wineglass requires a large decrease in entropy.



Entropy is a termodynamical variable and it is defined as the degree of disorder of the system.



As per the second law of thermodynamics the spontaneous changes only occur when the entropy increases.



</span>Fixing the broken glasses by itself meant to decrease the entropy spontaneusly which violate the principle or second law of thermodynamics. So, it is not possible.   
8 0
3 years ago
Read 2 more answers
Using de Broglie's equation, λ = h/mv which would have a larger wavelength, a slow-moving proton or a fast-moving golf ball? Exp
tatuchka [14]

Answer: Proton will have larger wavelength

Explanation:

\lambda =\frac{h}{mv}  (de-Broglie's equation)

\lambda =\text{wavelenght of the particle}

h= Planck constant

m= mass of the particle

v= velocity of the particle

As we can see from the de-Broglie's equation , that wavelength is inversely proportional to the product of mass into velocity of the object.

The wavelength of proton will be higher than that fast moving golf ball because mass of proton (1.67 \times 10^{-24}g) is very small than that of the golf ball (45.93 g). Proton is moving  at slow velocity and the golf ball is moving with fast velocity by which value of product of mass into velocity of proton will be lower than the value of product of mass into velocity of the golf ball which will result in larger value of wavelength of the proton.

6 0
3 years ago
Which set of properties distinguishes potential energy from kinetic energy?
fenix001 [56]
Kinetic energy is energy possessed by a body by virtue of its movement.

Potential energy is the energy possessed by a body by virtue of its position or state.


3 0
3 years ago
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