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lorasvet [3.4K]
3 years ago
14

Which metal can be cutted easiy?

Chemistry
1 answer:
Hitman42 [59]3 years ago
8 0
Steel is the easiest metal to cut.
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Compounds usually have the same properties as the bonds they are made from true or false
gavmur [86]
Well , I will say this is a false statement.
This is because compounds which were all made by the same bond have same physical properties but different chemical properties.

Chemical Properties :
How do the subtances react with ( water, acid,alkaline, base , gas like oxygen, etc. )

Physical Properties :
- Solubility of those subtances in (water or organic solvent )
- Electric Conductivity
- Melting or Boiling Point
- Density
- Smell (exp : Ammonia has pungent smell , Esters has fruity smell)
8 0
3 years ago
You have 2.394 x 102 mL of oxygen gas (O2) at 7.20 x 102 mm of Hg and 78 oC.
igomit [66]
We are given with
V = <span>2.394 x 102 mL 
P = </span><span>7.20 x 102 mm of Hg
T = </span><span>78 oC

We are asked to determine the mass of the sample in milligrams
Using the ideal gas law
n = PV / RT
n = </span>7.20 x 102 mm of Hg (2.394 x 102 mL) / R (78 + 273)
Use the appropriate value for R or just convert the values to SI and use R = 8.314
Then, solve for the mass of the sample by using the MW Oxygen which is 16 g/mol
3 0
3 years ago
Which one of the following that would diffuse more slowly n2o5 or so3
RUDIKE [14]
N2o5 would diffuse more slowly
7 0
3 years ago
If you are given the mass number and atomic number of an atom explain how you would find the number of protons neutrons and elec
astra-53 [7]
Atomic number is same number as the protons...

Neutrons =  Mass number - Atomic number ( protons)

Electrons are same number as protons unless the element has a charge..
If it has a charge of +2 it means that the element has 2 less electrons than the neutral atom. If it has a charge of -2 it means that the element has 2 more electrons than what it is supposed to..
5 0
3 years ago
What are the answers to the blanks to make this equation balanced
Eddi Din [679]

1Al+6NaOH==>2Na_{3}AlO_{3}+3H_{2}


Hope this helps!

5 0
4 years ago
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