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Physics 8 Online
OpenStudy (ilovemath14):

HELP ASAP!! DUE TOMORROW!! FAN AND MEDAL!! QUESTIONS ARE IN COMMENTS!!

OpenStudy (ilovemath14):

7. Compare the Celsius temperature scale with the Fahrenheit scale by answering the following questions: a. Which is the larger change in temperature, 1°C or 1°F? b. What are the freezing points and boiling points of water on each scale? c. Why are two different scales used? 8. How can the Fahrenheit and Celsius scales be converted from one to another? 9. Since it is fairly easy to tell when the temperature is high or low, why do we need thermometers, thermistors, and other devices for measuring temperature? 10. Compare the Celsius temperature scale with the Kelvin scale by answering the following questions: a. Which is the larger change in temperature, 1 K or 1°C? b. What are the freezing points and boiling points of water on each scale? c. Why are two different scales used? 11. What is the difference between 0° on the Celsius scale and absolute zero? 12. Absolute zero is considered the lowest possible temperature. What is the highest possible temperature? 13. A liquid takes the shape of its container, but why doesn’t a liquid expand to fill the container completely? 14. Why doesn’t a solid flow? 15. Name one similarity between gases and liquids.

OpenStudy (ilovemath14):

@johnweldon1993 @jabez177 @mrhirohito @lillylove1 @logan13 @alphadxg @Bananaman27 @Conqueror @Daniellelovee @Dani_Rose @escamer @geerky42 @haleyelizabeth2017 @inkyvoyd @just_one_last_goodbye @kropot72 @nikeboi101 @misssmartiez @Jaynator495 @SolomonZelman @Nnesha @zepdrix @Luigi0210 @robtobey @jhonyy9

OpenStudy (mrhirohito):

what?

OpenStudy (dani_rose):

I can only help you with a few

OpenStudy (dani_rose):

A. 1C=1.8F so this makes the 1C bigger.

OpenStudy (dani_rose):

This will help with both B and C. There are three temperature scales in use today, Fahrenheit, Celsius and Kelvin. Fahrenheit temperature scale is a scale based on 32 for the freezing point of water and 212 for the boiling point of water, the interval between the two being divided into 180 parts.

OpenStudy (ilovemath14):

for what number? @Dani_Rose

OpenStudy (dani_rose):

That's for 2 and 3 i guess

OpenStudy (dani_rose):

These apparently to google are the formulas for #8 °C x 9/5 + 32 = °F (°F - 32) x 5/9 = °C

OpenStudy (dani_rose):

Temperature is the most important factor controlling the rate at which fish go bad. For example, cod will remain edible for up to 15 days at 0°C, the temperature of melting ice, whereas it may be unfit to eat after only six days at 5°C. White fish frozen quickly and then stored at a controlled temperature of - 30°C will keep in good condition for nine months or more; the same fish kept at a temperature of - 10°C will not remain in good condition for much longer than a month. Freezing times for fish products are best determined by observing the change in temperature of the warmest part of the fish throughout freezing; miscalculation of freezing time can result in either inadequate cooling of the product or reduction in output of the freezer. Knowledge of the temperature of the smoke in a mechanical kiln helps the operator to produce smoked fish of consistently good quality and to make full use of the capacity of the kiln. Many other examples could be quoted that would demonstrate the importance of measuring temperatures in and around fish, from the time when the fish are first harvested until they reach the fishmonger's slab or frozen food cabinet. Constant vigilance to maintain suitable temperatures throughout handling, storage and processing is essential if quality is to be safeguarded and plant used efficiently.

OpenStudy (dani_rose):

^^^^^ For #9

OpenStudy (mrhirohito):

T-T Dani should be a trusted helper T-T

OpenStudy (dani_rose):

lol Thank you @MrHirohito

OpenStudy (dani_rose):

By international agreement, absolute zero is defined as precisely; 0 K on the Kelvin scale, which is a thermodynamic (absolute) temperature scale; and –273.15 degrees Celsius on the Celsius scale. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^For #11

OpenStudy (dani_rose):

if you put a certain amount of gas into a bigger container it will expand because the atoms are free to move. however the liquid cannot because the atoms are loosely bound to each other due to weak bonds such as dipole-dipole interactions, the London dispersion force and hydrogen bonding. ^^^^^^^^^^^^^^^^^^^^ For #13

OpenStudy (dani_rose):

solids don't flow because of lots of reasons: they have strong inter molecular forces which means that the particles in a solid are close and have small movements (vibration movements). they are also in compressible and they maintain their shape when put in empty space. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ For #14

OpenStudy (dani_rose):

There are a few similarities between gases and liquids. Neither gas nor liquid has a definite shape. Both are properties of matter (the other is a solid). Both have molecules that move freely to some degrees. Liquids can evaporate into gases. Gases can condense into liquids. ^^^^^^^^^^^^^ For#15 the rest i didn't answer because i din't know the answer

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