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Stels [109]
3 years ago
7

What is one example of a molecule that is not a compound?

Chemistry
2 answers:
Marrrta [24]3 years ago
4 0
Br2 or O2 or N2 or H2 or F2 or I2 etc.
podryga [215]3 years ago
4 0

Answer:

H2 is a molecule

Explanation:

Hydrogen gas H2 is a molecule not a compound because it is made up of similar elements.

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When electrons are added to the outermost shell of a carbon atom, it forms an anion.
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The levels of organization within an organism are atom,
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The answer is: Molecule and Organ system.

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Balance the equation for this reaction:<br> _ FeCl3 + KSCN --<br> --&gt; _ KCI + Fe(SCN)3
kykrilka [37]

Explanation:

FeCl3 + <u>3</u> KSCN ➡ <u>3</u> KCl + Fe(SCN)3

Hope it helps

3 0
3 years ago
7. what is the density of an object having a mass of 8.0 g and a volume of 25 cm^3? a) 0.32g/cm^3 b) 2.0 g/cm^3 c) 3.1 g/cm^3 d)
natulia [17]
D = m / V

D = 8.0 g  / 25 cm³

D = 0.32 g/cm³

Answer A
6 0
3 years ago
What is the density of 0.50 grams of gaseous carbon stored under 1.5 atm of pressure at a temperature of -20.0 C?
Colt1911 [192]

Answer: The density of 0.50 grams of gaseous carbon stored under 1.50 atm of pressure at a temperature of -20.0 °C is 0.867 g/L.

Explanation:

  • d = m/V, where d is the density, m is the mass and V is the volume.
  • We have the mass m = 0.50 g, so we must get the volume V.
  • To get the volume of a gas, we apply the general gas law PV = nRT

P is the pressure in atm (P = 1.5 atm)

V is the volume in L (V = ??? L)

n is the number of moles in mole, n = m/Atomic mass, n = 0.50/12.0 = 0.416 mole.

R is the general gas constant (R = 0.082 L.atm/mol.K).

T is the temperature in K (T(K) = T(°C) + 273 = -20.0 + 273 = 253 K).

  • Then, V = nRT/P = (0.416 mol)(0.082 L.atm/mol.K)(253 K) / (1.5 atm) = 0.576 L.
  • Now, we can obtain the density; d = m/V = (0.50 g) / (0.576 L) = 0.867 g/L.
6 0
4 years ago
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