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Physics 13 Online
OpenStudy (anonymous):

With all other factors equal, the most likely to burn your mouth when taken directly from an oven is a food with higher specific heat. lower specific heat. specific heat is not important in this situation. more information needed.

OpenStudy (anonymous):

@perl

OpenStudy (anonymous):

@perl

OpenStudy (anonymous):

@perl

OpenStudy (anonymous):

I'm going to go with A because if it had no higher heat or any heat what so ever then how do you expect it to burn your mouth? So you would need a specific heat for it to start burning your mouth.

OpenStudy (anonymous):

@perl

OpenStudy (anonymous):

@perl

OpenStudy (anonymous):

o.O

OpenStudy (anonymous):

@chrissyC. thanks but are you sure and moreover , i have more questions. will u help?

OpenStudy (anonymous):

I'm pretty confident about that answer but i don't want to be blamed if its wrong ...And i might be able to help depends on which questions they are

OpenStudy (anonymous):

A large and a small container of water with the same temperature have the same total amounts of internal energy. the same amounts of internal and external energy. different amounts of heat. the same amounts of all forms of energy.

OpenStudy (anonymous):

@chrissyC.

OpenStudy (anonymous):

ok give me one second

OpenStudy (anonymous):

(C) different amounts of heat. Temperature is the average kinetic energy of the molecules of a substance. Heat is the total molecular energy--meaning both the kinetic and potential energy of the molecules--so, a larger mass of water will contain more heat than a smaller mass of water at the same temperature. Since heat can only be measured as it is leaves or enters a substance, you might ask yourself if a large and a small container of water with the same temperature would melt the same number of ice cubes. The large container of water will melt more, of course, so you know it contains a different amount of heat.

OpenStudy (anonymous):

ok thaks. have alot of questions here Anytime a temperature difference occurs, you can expect cold to move to where it is warmer. energy movement from higher temperature regions no energy movement unless it is warm enough, at least above the freezing temperature energy movement flowing slowly from cold to warmer regions

OpenStudy (anonymous):

B) energy movement from high temperature regions. Heat tends to move from a region with higher temperature to a region with a lower temperature just as a ball tends to roll downhill. You must give a ball more energy to move it uphill and more energy is required to pump heat from a cooler region to a warmer one.

OpenStudy (anonymous):

i know these things :D

OpenStudy (anonymous):

No water vapor is added to or removed from a sample of air that is cooling, so the relative humidity of this sample of air will remain the same. be lower. be higher. the answer depends on the temperature.

OpenStudy (anonymous):

Ah the very first question is actually B lower specific heat!!!

OpenStudy (anonymous):

(B) lower specific heat. Specific heat is defined as the amount of heat needed to increase the temperature of one gram of a substance one degree Celsius. Thus less heat is required to heat a substance with a low specific heat and more for a substance with a high specific heat. For example, a substance with a specific heat of 0.5 gram/calCo would be warmed 20o C by 10 calories of heat while a substance with a specific heat of 1 gram/calCo would be warmed only 10o C by the same number of calories. Thus the substance with the lower specific heat is going to have a higher temperature from the same heating.

OpenStudy (anonymous):

ok. but please take your time in answering them. its very important

OpenStudy (anonymous):

Mhm i've taken this

OpenStudy (anonymous):

No water vapor is added to or removed from a sample of air that is cooling, so the relative humidity of this sample of air will remain the same. be lower. be higher. the answer depends on the temperature.

OpenStudy (anonymous):

So your saying it would need more information?

OpenStudy (anonymous):

not really but it needs to be correct. please

OpenStudy (anonymous):

I'm sticking with B

OpenStudy (anonymous):

If you don't believe me its fine i'm here to help Do the re search for yourself :) if you'd like

OpenStudy (anonymous):

ok sorry.

OpenStudy (anonymous):

@chrissyC.

OpenStudy (anonymous):

lml

OpenStudy (anonymous):

should i post all the questions once? please. its 23.06 pm.here

OpenStudy (anonymous):

...i guess

OpenStudy (irishboy123):

.

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