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Sloan [31]
3 years ago
6

What is the empirical formula for propane?

Chemistry
2 answers:
bonufazy [111]3 years ago
8 0

Answer:

Because propane is made up of only hydrogen and carbon _ the chemical formula is C3H8..

laiz [17]3 years ago
6 0

Answer:

The empirical formula for propane is C3H8.

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I need help bad bro i have a 30 cs this is missing
Nat2105 [25]

Answer:  11.02 moles of Ag can be formed.

Explanation:

To calculate the moles :

\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}    

\text{Moles of} Cu=\frac{350.00g}{63.55g/mol}=5.51moles

The balanced chemical equation is:

Cu+2AgNO_3\rightarrow Cu(NO_3)_2+2Ag  

According to stoichiometry :

1 moles of Cu produces =  2 moles of Ag

Thus 5.51 moles of Cu will produce=\frac{2}{1}\times 5.51=11.02moles  of Ag  

Thus 11.02 moles of Ag can be formed.

4 0
3 years ago
A 0.600 g sample of diprotic acid H2X is dissolved in water, and titrated to the equivalence point with 40.0 mL of 0.200 M NaOH.
9966 [12]

Answer:

150 g/mol

Explanation:

Let's consider the complete neutralization of a diprotic acid H₂X with NaOH.

H₂X + 2 NaOH → Na₂X + 2 H₂O

40.0 mL of 0.200 M NaOH. were required to reach the endpoint. The reacting moles of NaOH are:

0.0400 L × 0.200 mol/L = 8.00 × 10⁻³ mol

The molar ratio of H₂X to NaOH is 1:2. The reacting moles of H₂X are 1/2 × 8.00 × 10⁻³ mol = 4.00 × 10⁻³ mol.

4.00 × 10⁻³ moles of H₂X have a mass of 0.600 g. The molar mass of H₂X is:

0.600 g/4.00 × 10⁻³ mol = 150 g/mol

8 0
3 years ago
1)Substance A melts at 2300 °c, and it doesn’t conduct electricity even when molten and doesn't dissolve in water. What is the s
Minchanka [31]
Answer:
Substance A is a Giant covalent structure with covalent bonding

Explanation:
Substance A is a Giant covalent structure. There are strong covalent bonds between the atoms and a large amount of heat energy is needed to break the bonds resulting in high melting point. Substance A does not conduct electricity in molten state reason being, it exist as molecules which are electrically neutral and there are no mobile charged carriers.

Hope this helps!
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Fugu, also known as puffer fish, is a sushi delicacy that can also be lethal. Puffer fish contain a powerful toxin that can kill
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The correct answer is Applied Biochemistry.  

In applied biochemistry the knowledge and methods of biochemistry is applied to solve real world problems like to discover effective medicine in the treatment of life threatening diseases such as cancer, to improve productivity in agriculture, to treat diseases caused by the mutation in the metabolic pathway and more.  

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Light energy is part of a larger form of energy known as
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