CHEMISTRY HIGH SCHOOL

describe the process that ice on mount everest goes through when being heated from 10 degree fahrenheit to 305 degree kelvin. then explain how the energy requiresment change at different steps of the heating curve. and what are the energy transfers that happen in the ice on mount everest everest?

Answers

Answer 1
Answer: I think the ice is warmed from 10 degrees Fahrenheit to 32 degrees Fahrenheit. The ice then melts (I believe 333kj/kg K) and then it warms up to 305 K. For that this occurs the heat capacity of the water is 4.19 kj/kg K.

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If the isotope 32S has 16 protons and 16 neutrons, how many protons and how many neutrons will the isotope 35S have? 16pr and 19 ne 19pr and 16ne 18pr and 17ne or cannot be determined

Answers

Answer:

16 protons and 19 neutrons

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the neutron and the electron cloud
O the neutron and the proton cloud
O the nucleus and the electron cloud

Answers

Answer:

the nucleus and electron cloud is the correct option

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true or false?

Answers

Answer:

true

Explanation:

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Compared to a 2.0 M aqueous solution of NaCl at 1 atmosphere, a 3.0 M aqueous solution of NaCl at 1 atmosphere has a(1) lower boiling point and a higher freezing point
(2) lower boiling point and a lower freezing point
(3) higher boiling point and a higher freezing point
(4) higher boiling point and a lower freezing point

Answers

The correct answer is option 4. A 3.0 M aqueous solution of NaCl has a higher boiling point and a lower freezing point than a 2.0 M aqueous solution of NaCl where both are at 1 atmosphere. This is explained by the colligative properties of solutions. For the two properties mentioned, the equation for the calculation of the depression and the elevation is expressed as: ΔT = -Km and ΔT = Km, respectively. As we can see, concentration and the change in the property has a direct relationship.

According to the cell theory, which of the following is NOT composed of cells?a- algae
b-iron
c- bacteria

Answers

Answer:

Iron

Explanation:

cause i am big brain

A dilute, aqueous potassium nitrate solution is best classified as a(1) homogeneous compound
(2) homogeneous mixture
(3) heterogeneous compound
(4) heterogeneous mixture

Answers

Dilute, aqueous potassium nitrate solution is best classified as a:

(2) homogeneous mixture

Explanation:

A homogeneous mixture may be a solid, liquid, or volatilized mixture that has a similar proportions of its parts throughout any given sample.

Conversely, a heterogeneous mixture has parts whose proportions vary throughout the sample.

Because it's a combination of water and nitrate and you cannot clearly see the separation within the mixture .

A dilute, aqueous potassium nitrate solution is classified as a homogeneous mixture due to its uniform composition and properties

A dilute, aqueous potassium nitrate solution is best classified as a homogeneous mixture. By definition, a homogeneous mixture is a mixture which has uniform composition and properties throughout. For instance, when potassium nitrate is dissolved in water, it spreads evenly throughout the solution, creating a consistent composition from one drop of solution to the next. Therefore, it's not a compound (homogeneous or heterogeneous) because it doesn't consist of two or more elements chemically bonded together, and it's not a heterogeneous mixture because its composition isn't varied or unequal.

Learn more about Homogeneous Mixture here:

brainly.com/question/16938448

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