In nature, rings with ____ carbon atoms are the most abundant
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Answer: Five and Six
Explanation: In nature, usually we can observe the rings with 5 or 6 carbon atoms are most abundant.
First of all, the rings with 5 or 6 carbon atoms are the most stable rings which are not affected by any free energy factor or enthalpy factor or entropy factor.
Moreover 6 membered rings are found to be the most stable ones because of the extra stability provided by the term known as Aromaticity like Benzne is known to be most stable and most aromatic compound.
5 membered rings are found in our body as ribose sugar which makes the important nucleic acids which are RNA (ribose nucleic acids)and DNA(de oxyribose nucleic acids) .
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Answers
Final answer:
The current in a circuit is governed by voltage and resistance, as dictated by Ohm's Law. The voltage-current relationship can be linear in ohmic materials or nonlinear in non-ohmic materials.
Explanation:
The current flowing in a circuit depends primarily on two variables: voltage and resistance. This relationship is defined through Ohm's Law, which states that the current (I) in a circuit is equal to the voltage (V) divided by the resistance (R), or I=V/R.
When the voltage increases while the resistance remains constant, the current will increase. Conversely, when the resistance increases while the voltage remains constant, the current will decrease. Thus, for example, if the resistance doubles, the current is cut in half.
However, it is important to note that not all materials follow this linear relationship. Some materials, known as ohmic materials, follow Ohm's Law, while others, known as non-ohmic materials, exhibit a nonlinear voltage-current relationship.
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(2) 2+ (4) 4+
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12*(+1) +10*(-1) +14*0
= 12 -10
= +2
The correct answer is (2) +2.
Hope this would help~
Electrons have a 1- charge
So 12-10 is 2+
Answers
Solid is the low energy state of condensed matter is characterized by structural rigidity
Final answer:
The low-energy state of condensed matter characterized by structural rigidity and resistance to shape or volume changes is the solid state. This is due to its atomic structure, where molecules are organized in a rigid lattice, allowing the solid to maintain its shape and resist deformation.
Explanation:
The low-energy state of condensed matter that is characterized by structural rigidity and resistance to changes of shape or volume is defined as a solid. Going back to its atomic structure, atoms in a solid are in close contact and the forces between them allow the atoms to vibrate but not to change positions with neighbouring atoms. Basically, this atomic regulation in a solid form leads to its characteristic rigidity and resistance to shape or volume alterations.
Molecules in a solid, unlike in a liquid or gas, are organized into a lattice formation and retain this pattern despite external forces. This allows the solid state to resist deformation, maintain its shape, and have fairly constant volume. The ability of solids to resist compression is also due to their lattice structure, where atoms are at a relatively fixed distance apart, and under compression, the atoms would be forced into one another.
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Answers
Answer:
Mass percent of N2H4 in original gaseous mixture = 31.13 %
Explanation:
Given:
Initial mass of gaseous mixture = 61.00 g
Initial mole of oxygen = 10.0 mol
Moles of oxygen remaining after the reaction = 4.062 mol
Moles of oxygen used = 10.0 - 4.062 = 5.938 mol
Total oxygen used in both the reactions = 10.0 parts
out of 10 parts, 3 part react with N2H4.
Now, consider the reaction of N2H4
3 moles of O2 react with 1 mole of N2H4
1.78 moles of oxygen will react with 1.78/3 = 0.5933 mol of N2H4
Molecular mass of N2H4 = 32 g/mol
Total mass = 61.0 g
Final answer:
The mass percent of N2H4 in the gaseous mixture can be determined through stoichiometric calculations and determining the limiting reactant. The initial and remaining amounts of O2 are used to calculate the reacted amount of O2, which then allows for the calculation of the amount of N2H4. This information is used in the mass percent formula.
Explanation:
The balanced reaction states that for one mole of NH3, one mole of O2 is required, while for one mole of N2H4, 3 moles of O2 are required. Thus, the initial moles of O2 were 10 moles and after reaction 4.062 moles O2 remained. Thus, the reacted amount of O2 is 10 - 4.062 = 5.938 moles. From calculating the limiting reactant and applying stoichiometry, the amount of N2H4 can be determined. We know the molar mass of N2H4 is 32 g/mole. By calculating the molar ratio, we can then calculate the mass percent of N2H4 in the mixture using the formula: (mass of N2H4 / total mass) * 100%.
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B. newton.
C. gram.
D. nanometer.
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