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Misha Larkins [42]
2 years ago
10

Which statement describes an extensive property of matter?

Chemistry
2 answers:
disa [49]2 years ago
8 0
C. If the mass or length of substance changes it's extensive
Star_Killer117
2 years ago
this is not an edgenuity option if yall are wondering
Ierofanga [76]2 years ago
3 0

The answer is C. It changes with the amount of Sample that is present.

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I need help, I don't understand the question
Oduvanchick [21]
Remember this. 

Ionic molecules has ionic bonds
Nonpolar molecules has dispersion (Van del Waals)
Polar molecules could either have hydrogen bonding or Dipole-Dipole. Hydrogen bonding is when you have F, O or N with H, every other polar molecule is dipole-dipole.

a. polar- dipole-dipole
b. polar- hydrogen bonding
c. nonpolar- dispersion
d. nonpolar- dispersion
e. polar- dipole-dipole
f. polar-dipole-dipole
g. nonpolar- dispersion
h. polar- hydrogen bonding.
3 0
3 years ago
Which model was proposed as a result of Rutherford's scattering experiment where positive particles did not pass straight throug
dimulka [17.4K]

Answer:

the nuclear model of the atom

6 0
2 years ago
Becky is preparing tea. When the water for the tea boils, she pours it in a cup of cold milk. Assuming that the system is closed
Artemon [7]

Answer:B

Explanation:

4 0
3 years ago
Read 2 more answers
A 0.271 g sample of an unknown vapor occupies 294 ml at 140.°c and 847 mmhg. the empirical formula of the compound is ch2. what
sdas [7]
When the molar mass M = mass (g)/ no.of moles (Mol)

∴ moles= 0.271 g / M

By using the gas equation:

PV = n RT

when P is the pressure = 847 mmHg / 760 = 1.11 atm

V is the volume = 0.294 L

n = 0.271 / M

R is constant = 0.0821 

T= 140+273 = 413 K

so by substitution:

when n = PV/RT

∴ 0.271/ M = 1.11 atm *0.294 L/ 0.0821 *413

∴ M = 28 


when the empirical formula of CH2 = 12+2 = 14 

∴ the exact no.of moles = 28/14 = 2

∴the molecular formula = 2(CH2) = C2H4

6 0
3 years ago
How many moles are in 558 grams of Hydrofluoric acid? please show dimensional analysis
kobusy [5.1K]

Answer:

29.4mol

Explanation:

Using mole = mass ÷ molar mass

Molar mass of HF (hydrogen fluoride) = 1 + 19 = 20g/lol

Using the formula;

Mole = mass/molar mass

Mole = 588/20

Mole = 29.4mol

5 0
2 years ago
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