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3 years ago

Will Give Brainliest!

Chemistry

2 answers:

Amanda [17]3 years ago

7 0

mass is very wrong i soully believe its magnetism

Lorico [155]3 years ago

5 0

Answer: The correct answer is Magnetism.

Explanation: We are given two samples of iron fillings.

Magnetism: This property remains same for any sample of same element.

Mass: We are given different mass. So, they cannot be same.

Shape: Iron fillings cannot have a definite shape.

Volume: As the density of any element remains same always. As the mass is different, so to have the same density, the volume of two sample will also be different.

Hence, magnetism is the only property that will remain same for the two samples.

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Choose the correct missing coefficient to balance the following equation:

ira [324]

Answer:

the answer is 2 hope this helps

6 0

3 years ago

A gas sample is made entirely of carbon dioxide and water, and there are 300 moles of CO2 and 500 moles of H2O. If the total pre

Olegator [25]

Answer:

Explanation:

Total moles = 300 + 500 = 800 moles

mole fraction of carbon dioxide = 300 / 800 = 3 / 8

water = 500 / 800 = 5 / 8

Total pressure = 21 atm

partial pressure of water = total pressure x mole fraction of water

= 21 x 5 / 8

= 13.125 atm

5 0

2 years ago

Does it take more, less, or the same amount of energy to ionize a hydrogen atom (eject an electron) in the n = 3 state tha one i

Phantasy [73]

Answer:

I honestly believe it is more.

Explanation:

7 0

2 years ago

Question 1<br> Why can't wee see atoms?

aniked [119]

Answer:

They're too small

Explanation:

Atoms are smaller than the wavelength of visible light

5 0

4 years ago

PLEASE HELL ME!!!!

vazorg [7]

Answer:

<h3>The answer is 0.045 kg/cm³</h3>

Explanation:

The density of a substance can be found by using the formula

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

From the question

mass of cylinder = 14 kg

Volume of a cylinder = πr²h

where

r is the radius

h is the height

$radius = \frac{diameter}{2} \\$

From the question

h = 25 cm

$r = \frac{4}{2} = 2 \: \: \: cm$

The volume of the cylinder is

$V = {2}^{2} (25)\pi \\ = 4 \times 25\pi \\ = 100\pi \\ = 314.159265...$

We have

volume = 314.159 cm³

The density of the cylinder is

$density = \frac{14}{314.159} \\ = 0.044563421...$

We have the final answer as

Hope this helps you

7 0

4 years ago

Read 2 more answers