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Karo-lina-s [1.5K]
3 years ago
10

Jill said that when you are standing in front of a fire you are warm because you release the coolness of your body to the heat o

f the fire.
Greg said that when you are standing in front of a freezer with the door open you feel cool because you are releasing your heat into the freezer.
Who has made the accurate statement regarding heat transfer?
Chemistry
2 answers:
Masja [62]3 years ago
3 0
Greg made the correct statement. Your body emits heat
Xelga [282]3 years ago
3 0
Greg is correct you can only lose heat
Cold is just the absense of heat just as darkness is the absense of light
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Liquids do not have the energy to overcome the ___ and move to the gaseous state.
Ugo [173]

Answer - Inter-molecular attractions

Explanation-

As we know everything around us is made up of matter that means everything has molecules as their basic structure. The state of anything is decided by the spaces between the molecules.

The state of the objects that have strong inter-molecular attractions a solid and gradually the lesser will be in state of liquid and gas. The attraction between the molecules is overcome only when a certain amount of energy is provided from outside.  

4 0
3 years ago
Go to the To Scale tab at the bottom of the simulation, and select Path from the central menu on the right. Set up a Planet-Moon
snow_lady [41]

Answer:

Go to the To Scale tab at the bottom of the simulation, and select Path from the central menu on the right. Set up a Planet-Moon simulation. Use the sliders to make both the planet and the moon as massive as possible, and then ... What do you notice about the moon's motion when it is closest to the planet?

Explanation:

3 0
3 years ago
Which of the following choices is and example of a capital good
drek231 [11]

<u>Answer:</u>

An example of a capital good is "the government will open another public school in the area".

<u>Explanation:</u>

A capital good or complicated products and systems or (CoPS) is a reliable commodity used in the manufacturing of goods and services. These are one of three kinds of consumer commodities, while the other two are property and labor.

The three are also commonly referred to as primary production factors.They are recorded on a company's balance sheet as assets, and can be depreciated over time. Capital goods instances include furniture, buildings, machinery, equipment and fixtures.

7 0
4 years ago
Calculate the amount of heat required to completely sublime 28.0 g of solid dry ice (co2 at its sublimation temperature. the hea
lana66690 [7]
 There is no need to do anything about the temperature, because sublimation does not involve any temperature change.

First, determine how many moles of CO2 there are. The mol. wt. of CO2 is 12 +2 x 16 = 44 g/mol. 

So, 25.0 equals 25/44 = 0.568 moles

So the heat required is 0.568 mol x 32.3 KJ/mol = 18.3


4 0
3 years ago
Read 2 more answers
A 519.93 gram sample of N2O is in a 7.05 L container. What is the pressure of the gas in atmospheres when the temperature is 125
Brut [27]

Answer:

17.27 atm

Explanation:

Use the ideal gas law or PV = nRT

We are solving for pressure here so lets isolate for P before we plug in values:

P = \frac{nRT}{V}

So first to get n or the number of moles we need to convert the grams of N2O to moles of N2O. We can do this by multiplying by the inverse of the molar mass like so:

\frac{519.93g(N2O)}{1} \frac{mol}{44.013g(N2O)}

Our grams of N2O would cancel and give us 11.813 mol of N2O

Now all thats left is to plug in and solve with the correct value for R which in this case for all of our units to cancel is 0.08206

P = \frac{(11.813)(0.08206)(125.63)}{7.05}

P = 17.27 atm

(I would double check the calculator work if it is for correctness just be sure)

4 0
3 years ago
Read 2 more answers
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