3 years ago

A rooster laid an egg on top of the barn roof. Which way did it roll?

2 answers:

7 0

Roosters don't lay eggs and even if they did they would sit in a nesting box, and even if they did lay them on a roof it depends on if the egg is symmetrical, the shape of the barn roof, if the rooster was centered, etc.

PtichkaEL [24]3 years ago

3 0

IT DIDN'T ROLL ROOSTERS CAN LAY EGGSS AHHH

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2 years ago

Classify each of the following as abiotic or biotic.

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.an open flask contains 0.200 mol of air. atmospheric pressure is 745 mmhg and room temperature is 68˚f. how many moles are pres

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<u>0.219 moles </u><u>moles are present in the flask when the </u><u>pressure </u><u>is 1.10 atm and the temperature is 33˚c.</u>

What is ideal gas constant ?

The ideal gas constant is calculated to be 8.314J/K⋅ mol when the pressure is in kPa.
The ideal gas law is a single equation which relates the pressure, volume, temperature, and number of moles of an ideal gas.
The combined gas law relates pressure, volume, and temperature of a gas.

We simple use this formula-

The basic formula is PV = nRT where. P = Pressure in atmospheres (atm) V = Volume in Liters (L) n = of moles (mol) R = the Ideal Gas Law Constant.

68F = 298.15K

V = nRT/P = 0.2 * 0.08206 * 298.15K / (745/760) = 4.992Liters

n = PV/RT = 1.1atm*4.992L/(0.08206Latm/molK * 306K)

n = 0.219 moles

Therefore, 0.219 moles moles are present in the flask when the pressure is 1.10 atm and the temperature is 33˚c.

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1 year ago

Weight and mass are essentially the same measurements.<br> True or false?

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