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How many moles of Fe2O3 are in 251 g of the compound?
Adding together the mass of two irons and three oxygen.....,251 grams Fe2O3 (1 mole Fe2O3/159.7 grams)= 1.57 moles iron II oxide ( also known as ferric oxide )===================================
What happens when californium 251 decays into curium 247?
When californium-251 decays into curium-247, it undergoes alpha decay, releasing an alpha particle (helium nucleus) in the process. This results in the transformation of the nucleus to curium-247 with a simultaneous decrease in atomic number and mass number.
What is the lambda max value of anthracene molecule?
The lambda max value of anthracene is around 374 nm in the UV-visible spectrum. This corresponds to the wavelength at which anthracene absorbs light most strongly.
Why there is no free rotation around a double bond?
a double bond consists of a sigma bond and a pi bond .....pi bond is formed by sideways overlapping of unhybridized p-orbitals of two carbon atoms above and below the plane of carbon atoms..if now one of the carbon atoms of double bond is rotated with respect to the other ,the p-orbitals will no longer overlap and pi bond should break....but the breaking of pi bond requires 251 kj/mole of energy which is not provided by collision of molecules at room temperature...consequently the rotation about a carbon-carbon double bond is not free but is strongly hindered or restricted.... while in carbon-carbon single bond only 12.55 kj/mole of energy is reacquired (this data is for ethane molecule) .....at room temperature the collission of molecules supply sufficient kinetic energy to overcome this energy barrier
How many neutrons is in californium?
153 neutrons in the most stable isotope Number of neutrons = Atomic mass of an isotope - atomic number. Atomic mass of the most stable isotope of Cf is 251. Atomic number of Cf is 98.
How much is 251 grams in kilograms?
251 grams = 0.251 kilograms
A can of soup weighs 251 grams how many cans weighs about 1 kilogram?
4
If a can weighs 251 grams how many cans do you need to get to 1 kilogram?
3.98406374501992 cans. Horray for calculators!
How many grams are in 2.51 kilograms?
2.51 kg = 2510 gTo convert from kg to g, multiply by 1000.
A can of soup weighs 251 grams. How many cans would weigh about 1 kilogram?
There are 1000 grams in 1 kilogram. If a can of soup weighs 251 grams, 4 cans will more or less weigh 1 kilogram.
How many kilograms is equal to 251 grams?
251 grams (g) = 0.251 kilograms (kg)Why? Because a kilogram is one thousand times bigger than a gram. So the answer in kg must be only one-thousandth of the mass in g.The simple way to divide by 1000 is to move the decimal point three places to the left.
How many grams is a sample containing 2.71 x 1024 atoms of iron?
Amount of Fe = (2.71x1024)/(6.02x1023) = 4.50mol The atomic mass of Fe is 55.8 Mass of Fe = 4.50 x 55.8 = 251g
How many moles of Fe2O3 are in 251 g of the compound?
Adding together the mass of two irons and three oxygen.....,251 grams Fe2O3 (1 mole Fe2O3/159.7 grams)= 1.57 moles iron II oxide ( also known as ferric oxide )===================================
How many meters are there in 251 centimeters?
There are 100 centimetres in one metre. Therefore, 251 centimetres is equal to 251/100 = 2.51 metres.
What is the atomic mass of californium?
The atomic number of californium is 98. The atomic mass of the most stable isotope - 251Cf - is (251) after IUPAC.
How many feet are there in 251 inches?
There are 12 inches in one foot. Therefore, 251 inches is equal to 251 / 12 = 20 feet 11 inches.
How many Sevens are in 1762?
(251 x 7) + 5 = 1762 Answer: 251 with 5 remaining
