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strojnjashka [21]
3 years ago
11

HELP ME PLEASE!! IAM BEING TIMED. I WILL GIVE YOU BRAINLIEST!

Chemistry
2 answers:
dangina [55]3 years ago
8 0

Answer:

If it is made from solid silver then it is an element. If it is made from a silver alloy then it is a mixture. If it is a silver plated plate (i.e. a plate made from say, copper but with a thin layer of silver on top) then it is an element on top of an element.

Explanation:

I'm assuming you're talking about solid silver, so, i believe an element.

Goshia [24]3 years ago
4 0

Answer:

Element

Explanation:

Other things on that list like alloy and compound can be broken down, but elements cannot

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A molecule is broken down into its constituent atoms. Do these atoms have the same properties as the molecule?
belka [17]

When a molecule is broken down into its constituent atoms, these atoms do not have the same properties as the molecule.

We can use an everyday molecule, such as water, H20, to show this property. Water is a liquid with unique properties that stem from its hydrogen bonding. On the other hand, its constituent atoms, hydrogen and oxygen, are not liquids, and have very different properties. Oxygen and hydrogen are both gases; hydrogen is dangerous and very flammable, while we breathe in oxygen throughout our lives. This example illustrates how the atoms that make up a molecule usually have different properties than the completed molecule.

Hope this helps!

4 0
4 years ago
I need to know what the answer to number 4 letter a.
QveST [7]
I believe it is C. I hope
4 0
3 years ago
Read 2 more answers
1.00 mole of an ideal monoatomic gas at STP first undergoes isothermal expansion so that the volume at b is 2.5 times the volume
MrRa [10]

Answer:

the pressure at c = 0.27 atm

Explanation:

Given that:

number of moles (n) = 1.0 moles

Value of gamma in the monoatomic gas (γ) = 5/3

During an isothermal expansion, the volume at b is = 2.5 times the volume at a ; this implies that:

V_b = 2.5 V_a

∴ To calculate  the pressure at c from a; the process is adiabatic compression; so we apply:

P_aV_a^\gamma=P_cV_c^\gamma

\frac{P_c}{P_a}=[\frac{V_a}{V_c}]^{(2/3)

\frac{P_c}{1.0 atm}=[\frac{1}{2.5}]^{(2/3)

P_c=0.27 atm

Thus, the pressure at c = 0.27 atm

8 0
3 years ago
Explain how to identify a metal from visual observations
yarga [219]
I am a blacksmith, I would know this one. Alright... Aluminum, has a great shine to it, and it looks like silver... Same with tin, except aluminum is super shiny and sleek, while tin has a dull shine to it. Steel, is flat (color-wise), and it has a slight shine to it.
You can find what type of metal it is by color, shine, light reflectance, dullness, and several other properties. Hope I helped you! :)
4 0
3 years ago
Name one way you benefit from each of the following states of matter
ira [324]
There are so many different answers to this, so I don't know if you're looking for specifics but this is my personal answer.

Liquid- for drinking

Gases- you inhale gases

Solid- they support your weight, such as chairs
6 0
3 years ago
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