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igor_vitrenko [27]
3 years ago
12

When the boat is placed on the scale, how does its weight compare to the weight of the water it displaced?

Chemistry
2 answers:
erma4kov [3.2K]3 years ago
8 0
It will be lighter, as water is more heavier then others may think, a boat would weigh less since a chunk of water would most likely weigh 100 tons more.
kykrilka [37]3 years ago
7 0

Answer: It'll be lighter than when it is put on the water.

Explanation: Cause when a boat needs to move, it usually takes water into the engine, and then propulses it bk out.

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200 feet in 30 seconds is what speed?
Rzqust [24]

Answer:

6.6666666667 feet per second I believe

4 0
3 years ago
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You know that energy cannot be created or destroyed, so what happens to it?
riadik2000 [5.3K]
Mass cannot be created nor destroyed as well.

So, energy just goes into other things. 

Example: you are born. You have carbon dioxide in your body, (or star dust). When you die, your body releases that gas.

Make sense?

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6 0
3 years ago
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H2O has a mc021-1.jpgHvap = 40.7 kJ/mol. What is the quantity of heat that is released when 27.9 g of H2O condenses?
jekas [21]
The molecular weight of H2O is 18g/mol.
Therefore, 27.9 g H2O / (1mol/18g) = 0.155 mol H2O
Calculating only for the latent heat, the heat required to be released for this amount of H2O to condense is:
40.7 kJ/mol (0.155 mol) = 6.3 kJ or -6.3 kJ since it is to be released
8 0
3 years ago
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I need help ' please
Shalnov [3]

Answer:

s orbitals - spherical shape

p orbitals - dumbbell shape

d orbitals- dxy, dyz , dzx -double dumbbell

- dx²-y²- double dumbbell (along axis)

-dz² -dumbbell with electron cloud

( along the axis)

therefore here the answer is 2s and 3s

3 0
4 years ago
An object has a density of 2.9 grams/cm^3 and a mass of 45.6 grams. Calculate the objects volume.
ikadub [295]

Answer:

<h2>15.72 cm³</h2>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

volume =  \frac{mass}{density} \\

From the question we have

mass = 45.6 g

density = 2.9 g/cm³

volume =  \frac{45.6}{2.9}   \\ = 15.724137

We have the final answer as

<h3>15.72 cm³</h3>

Hope this helps you

6 0
3 years ago
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