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lbvjy [14]
3 years ago
6

How many atoms are in 3.6 moles of titanium?

Chemistry
2 answers:
kaheart [24]3 years ago
6 0

Answer:

69420

Explanation:

Ber [7]3 years ago
6 0

Answer:

We need to calculate number atoms, which can be determined as follows: We know that 1 mol contains 6.02214076×1023 number of atoms. i.e. is Avogadro's constant. Therefore the answer to the above question is that the number of atoms in 3.5 mol of Arsenic is 2.11×104 number of atoms.

Explanation:

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The combustion of propane may be described by the chemical equation C 3 H 8 ( g ) + 5 O 2 ( g ) ⟶ 3 CO 2 ( g ) + 4 H 2 O ( g ) C
Kipish [7]

Answer: 72 grams of O_2(g) are needed to completely burn 19.7 g C_3H_8(g)

Explanation:

According to avogadro's law, 1 mole of every substance weighs equal to molecular mass and contains avogadro's number 6.023\times 10^{23} of particles.

To calculate the number of moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}

Putting in the values we get:

\text{Number of moles}=\frac{19.7g}{44g/mol}=0.45moles

C_3H_8(g)+5O_2(g)\rightarrow 3CO_2(g)+4H_2O(g)

According to stoichiometry:

1 mole of C_3H_8 requires 5 moles of oxygen

0.45 moles of C_3H_8 require= \frac{5}{1}\times 0.45=2.25 moles of oxygen

Mass of O_2=moles\times {\text {Molar mass}}=2.25\times 32=72g

72 grams of O_2(g) are needed to completely burn 19.7 g C_3H_8(g)

7 0
3 years ago
(14.1.50) 0.03 mol of helium are enclosed in a cylinder with a piston which maintains a constant pressure in the helium. Initial
icang [17]

Answer:

a) 0.210 j /k

b) 0.032 j/k

Explanation:

Find the attachment for solution

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3 years ago
Where digestion take place in : ( carbohydrates )<br>( fats )<br>( proteins )​
garri49 [273]

Answer:

Digestion take place in Fats.

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3 years ago
1. Oxygen<br> full electron configuration
Arada [10]

Answer:

1s^{2} 2s^{2} 2p^{4}

Explanation:

Oxygen has eight eletrons and six valence electrons, giving it the electron configuration of 1s^{2} 2s^{2} 2p^{4}.

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Which planet is most like earth in size and makeup
makkiz [27]

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Venus

Explanation:

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