Calculate the number of molecules in 4.5 moles of carbon dioxide

Calculate the number of molecules in 4.5 moles of carbon dioxide


 To calculate the number of molecules in a given number of moles, you can use Avogadro's number, which is approximately \(6.022 \times 10^{23}\) molecules/mol. 


For carbon dioxide (CO2)), there are three atoms (one carbon and two oxygen) in each molecule. So, for 4.5 moles of (CO2):


{Number of molecules} = {moles} x{Avogadro's number} 


{Number of molecules} = 4.5 x 6.022 x 10^{23} 


Answers: 2.7x10^24

Comments

Post a Comment

Popular posts from this blog

What is work ?

 In physics, work is defined as the product of force and displacement in the direction of the force. Mathematically, it's represented as: W=Fd Where: - \( W \) = Work done - \( F \) = Force applied - \( d \) = Displacement - \( \theta \) = Angle between the force vector and the displacement vector
Read more

Parallel capacitor

 **Q: What is a parallel capacitor configuration?** **A:** A parallel capacitor configuration is when two or more capacitors are connected side by side, sharing the same voltage across their terminals. **Q: How is the total capacitance affected when capacitors are connected in parallel?** **A:** When capacitors are connected in parallel, the total capacitance is the sum of the individual capacitances. Mathematically, \(C_{\text{total}} = C_1 + C_2 + \ldots\). **Q: What advantage does connecting capacitors in parallel offer?** **A:** Connecting capacitors in parallel increases the overall capacitance in the circuit. This is useful when a higher capacitance value is needed, providing more charge storage capacity. **Q: How does the voltage distribution work in parallel capacitors?** **A:** In a parallel capacitor configuration, each capacitor experiences the same voltage as the voltage across the entire parallel combination. This is because the voltage across elements in parallel is const
Read more

Endocytosis and exocytosis

 Endocytosis and exocytosis Q: What is endocytosis? A: Endocytosis is a cellular process where the cell engulfs external material by wrapping its cell membrane around it, forming a vesicle. Q: Differentiate between phagocytosis and pinocytosis in endocytosis. A: Phagocytosis involves the engulfing of solid particles, while pinocytosis involves the engulfing of liquid or small particles into vesicles. Q: What is the role of receptor-mediated endocytosis? A: Receptor-mediated endocytosis is a highly specific form of endocytosis where substances bind to receptors on the cell membrane, triggering their uptake into the cell. Q: How does exocytosis differ from endocytosis? A: Exocytosis involves the expulsion of material from the cell by fusing vesicles with the cell membrane, while endocytosis is the uptake of material by the cell through vesicle formation. Q: Provide an example of a biological process involving endocytosis. A: The uptake of cholesterol by cells through receptor-mediated en
Read more