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Does water have a polarity pattern consistent with the electro-negativity values of O and H?
Yes, it is correct.
In column chromatography separation of p-nitroaniline and o-nitroaniline which will be aluted first and why?
o-nitroaniline will elute first in column chromatography because it has a lower affinity for the stationary phase due to its higher polarity compared to p-nitroaniline. This results in o-nitroaniline moving more quickly through the column and being eluted first.
4 Al plus 3 O2 ---- and gt 2 Al2O3 you need 84.0g aluminum oxide. What mass of oxygen must react at 70.0y?
To find the mass of oxygen required to produce 84.0 g of aluminum oxide (Al₂O₃), we first determine the molar mass of Al₂O₃, which is approximately 102 g/mol. Therefore, 84.0 g of Al₂O₃ corresponds to about 0.824 moles. According to the balanced equation, 3 moles of O₂ are needed for every 2 moles of Al₂O₃, so 0.824 moles of Al₂O₃ will require about 1.236 moles of O₂. The molar mass of O₂ is about 32 g/mol, so the mass of oxygen required is approximately 39.6 g.
Which direction should the polarity arrows point if P - O and P - S?
The polarity arrow should point from sulfur (S) to phosphorus (P) in P - S bond as sulfur is more electronegative than phosphorus. In the case of P - O bond, the arrow should point from oxygen (O) to phosphorus (P) as oxygen is also more electronegative than phosphorus.
How many grams of Al will react with 28 L O2 at STP?
At STP (Standard Temperature and Pressure), 1 mole of any gas occupies 22.4 liters. Therefore, 28 L of O₂ corresponds to ( \frac{28}{22.4} \approx 1.25 ) moles of O₂. The balanced reaction between aluminum (Al) and oxygen (O₂) is ( 4 \text{Al} + 3 \text{O}_2 \rightarrow 2 \text{Al}_2\text{O}_3 ), indicating that 4 moles of Al react with 3 moles of O₂. Thus, for 1.25 moles of O₂, ( \frac{4}{3} \times 1.25 \approx 1.67 ) moles of Al are required, which corresponds to approximately ( 1.67 \times 27 \approx 45 ) grams of Al.
List the following bonds to hydrogen in order of increasing polarity C-H O-H Al-H N-H?
Al-h , c-h, n-h, o-h
What does AL NA and O are symbols for?
It is Al, Na and O. Al is aluminium, Na is sodium and O is oxygen
What makes water an effective solvent?
The polarity of the H-O bond.
Who has entered every Olympic games?
The only athlete known to have competed in every Olympic Games since their modern inception in 1896 is the legendary gymnast and multiple Olympic medalist, Paul Elvstrøm from Denmark. However, he is not the only athlete to have participated in multiple Olympics; many have competed in consecutive Games, but Elvstrøm's distinction comes from his longevity in the sport across numerous decades. The title of being the only participant in every single Olympic Games is often associated with various athletes, but it's essential to clarify the context, as this can refer to different events over time.
Why then is carbon dioxide a non polar molecule while water is a polar molecule?
Carbon dioxide is linear any polarity in the C=O bonds cancel each other out. Water is bent the polarity in the O-H bonds does not cancel
Why is carbon dioxide a non polar molecule while water is polar molecule?
Carbon dioxide is linear any polarity in the C=O bonds cancel each other out. Water is bent the polarity in the O-H bonds does not cancel
Why then is carbon dioxide a non-polar molecule while water is a polar molecule?
Carbon dioxide is linear any polarity in the C=O bonds cancel each other out. Water is bent the polarity in the O-H bonds does not cancel
Why is carbon dioxide a non polar molecule while water is a polar molecule?
Carbon dioxide is linear any polarity in the C=O bonds cancel each other out. Water is bent the polarity in the O-H bonds does not cancel
Why then is carbon dioxide of non polar molecule while water is a polar molecule?
Carbon dioxide is linear any polarity in the C=O bonds cancel each other out. Water is bent the polarity in the O-H bonds does not cancel
How does a drawing of polarity water and the bond polarities make a major contribution to the overall molecular polarity look?
The polarity is a vector quantity. The resultant of the polarity of bonds determines the polarity of the molecule. In CO2 there is polarity between the two C-O but the polarity is equal and opposite in direction so CO2 doesn't have polarity. If the polarity of bonds is not cancelled then the polarity remains in the molecule.
Does water have a polarity pattern consistent with the electro-negativity values of O and H?
Yes, it is correct.
What has the author O Al-duaij written?
O. Al-duaij has written: 'Reactions of 5 amino-4-(formimidoyl) imidazoles'
