What has a density of 2.65?

Let’s learn what has a density of 2.65. The most accurate or helpful solution is served by ChaCha.

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For more complicated equations we recommend using /www.fordhamprep.org.

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What is the freezing point of a solution that contains 20.3 g of urea,CO(NH2)2 in 265 mL water?

What is the freezing point of a solution that contains 20.3 g of urea, CO(NH2)2 in 265 mL water, H2O ? Assume a density of water of 1.00 g/mol? please help thanks

Answer:

Molar mass of CO(NH2)2 is 60.05 g / mole moles of urea = 20.3 / 60.05 = 0.3381 moles mass of water ...

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Suppose that the microwave radiation has a wavelength of 11.2 cm. How many photons are required to heat 265 mL?

here is the full question: Suppose that the microwave radiation has a wavelength of 11.2 cm. How many photons are required to heat 265 mL of coffee from 25.0 ^ C to 62.0^ C? Assume that the coffee has the same density, 0.997 g/mL, and specific heat capacity...

Answer:

1] Calculate the energy required, from Q = MCDeltaT from the information in 265 mL of coffee from 2...

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Calculate the number of atoms effectively "in" one unit cell (Hint: it is more than 1, but...

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Please help me find the density of Copper, Aluminum, Lead, and Nickel ?

Experiment 1 - The Density of Solids Cylinder 1 Volume 31.12mL Mass 40g 30mL of water 10g copper Cylinder 2 Volume 33.57mL Mass 40g 30mL of water 10g Aluminum Cylinder 3 Volume 30.88mL Mass 40g 30mL of water 10g lead Cylinder 4 Volume 31.12mL Mass 4...

Answer:

D=m/v so divide mass of substance by the change in water 1mL = 1 cc (cubic centimeter) the directions...

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Can you please tell me the volume (in CM³) and density (in g/CM³) for all 9 planets? (or give me a site 2go2)

Can you please tell me the volume (in CM³) and density (in g/CM³) for all 9 planets? OR if not, at least a site that contains the info i need! Thanks!!! PLEASE NOTE THAT: :: THE VOLUME BE IN CM³ :: ALSO, DENSITY MUST BE IN GRAMS/CENTIMETERS...

Answer:

Your density will be similar to whatever material makes up the planet. For instance, Mars is mostly...

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How does the observed density of matter (both luminous in stars and galaxies, and "dark") in the Universe?

compare with the critical density? A) The density of luminous and dark matter is currently slightly bigger than the critical density. B) Amazingly, the density of luminous matter (in stars and galaxies) and dark matter currently exactly equals the critical...

Answer:

All depends on what you mean by 'critical density' of course. In the sense in which we meant it before...

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Answer:

If you're talking about the universe as a whole I'd be choosing "c" if "dark matter"...

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How to find density using slope method - chem help!! plss?

ok so i did a lab and we are suppose to find the density of water, corn syrup, and ethly alcohol. So for the lab from our data we got mass of 12.853 g and volume of 30 mL for corn syrup. mass of 7.992 g and volume of 30 mL. Ethly alchol of 6.381 g and...

Answer:

lets say that you have an equation y = mx + b which is a straight line with slope m and y-intercept...

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