HomeCan a compounds molecular formula be 2.5 times greater than the empirical formula?
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Answered 2013-02-20 19:22:32
No. It must be a whole number.
Since the empirical formula of a compound shows the proportions of the elements in the simplest whole number ratio there is going to be at least one odd number in the formula. Multiplying by 2.5 would then result in you having half an atom somewhere in the molecule, which you can't really have.
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No. A molecular formula can be the same as the empirical formula, such as CH4 (methane), because the two component atoms exist in a ratio that cannot be mathematically further broken down - one carbon to four hydrogens. In this case the molecular formula (the actual number of atoms per molecule), and the empirical formula (the simplest ratio of those numbers) is identical. On the other hand, ethane, C2H6 - two carbons to 6 hydrogens - has a molecular formula of C2H6 and a empirical formula of CH3, the ratio of 2 to 6 reduced to its simplest whole number form. Sooooooooooo, the molecular formula will always be equal to or greater than the empirical formula, and the empirical formula will always be equal to or less than the molecular formula. In other words (as if that wasn't enough), the molecular formula will never be less than the empirical formula and the empirical formula will never be greater than the molecular formula, but THE TWO CAN BE EQUAL. Whew!!! Ray
Wate is molecular , H2O. NaCl is giant ionic laattice and is not molecular when normally encountered. In terms of mass the formula unit of NaCl is greater than than the molecular mass of water.
The reactivity of oxygen is greater in molecular form compared with a compound containing oxygen.
fructose has same molecular formula but different structural formula. but the amount of sweetness of fructose is much much greater than glucose or sucrose. so the fructose solution is the sweetest solution...
the number of compounds is greater than the number of elements.. just like the letters of alphabet combine to form words, elements combine to form a large number of compounds
there are more possible compounds than elements in the world
Atomic oxygen does not have a greater atomic mass than chlorine, nor does molecular oxygen. The atomic mass of chlorine is approximately 35 g/mol, while molecular (O2) oxygen has a molecular mass of 32 g/mol.
melting pt and boiling pt are directly related to molecular weight thus sio2 having greater molecular weight has greater melting pt
Molecular movement in a solid is very minimal. Molecular movement in liquids and gases are greater than in a solid.
The molecular maass of sulfuric acid (98,08) is greater than the molecular mass of water (18).
The number of compounds is very much greater than the number of isotopes, which is greater than the number of elements. The number of distinct kinds of atoms is the same as the number of isotopes.
Antimony (121.90) has the greater abundance, Because its molecular mass is closer to that of Antimony which is(121.75)
In the majority of Empirical cases the mean will not be equal to the median, so the event is hardly unusual. If the mean is greater, then the distribution is poitivelt skewed (skewed to the right).
so they could have a greater understanding of its molecular structure
Ionic compounds can only be dissolved in water if the energy of hydration is greater than latice energy of that compound
electronegativity. the greater the difference in electronegativity of the elements the greater the likelihood of them forming ionic bonds.
Basic compouds are compounds that when dissolved in water, gives a solution with hydrogen ion activity greater then in pure water a pH more than 7.0, such as ammonia and sodium hydroxide. Acidic compounds are compounds that when dissolved in water, gives a solution with hydrogen ion activity greater then in pure water a pH less than 7.0, such as vinegar(acedic acid).
No, the arrow indicates which way the reaction proceeds, often with 2 arrows being used pointing in both directions indicating the reaction is in equilibrium. The compound's mass can be calculated using the molecular mass of the compound from the periodic table.
CnH2n-2 where n is 2 or greater.
have a pH value of 14 or greater.
Hydrogen peroxide (H202)
Yes, it is, by virtue of the way the formula works.
Formula 1 is organised by Jaypee group in Greater noida. it is organised in october end.
No, they usually have lower boiling points (if they boil at all; some decompose before they reach their boiling point, or even their melting point). Converting an ionic compound into the gas phase requires overcoming the electrostatic force between the charged particles. This is orders of magnitude greater than the van der Waals forces between molecules.
Heat (in water) is random molecular motion, so greater heat equals greater disorder, hence more entropy.
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