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Every substance on earth has an atomic or molecular weight. If one weighs out the atomic or molecular weight of a substance in grams it is called one gram molecular weight commonly called one gram mol. One gram mol of any substance contains 6.0221367 × 1023 atoms which in scientific notation is generally expressed as 6.02E23 atoms of that substance, E meaning the exponent on the number 10. This number is named Avogadro's constant after Amedeo Avogadro, an Italian scientist who first identified this quantity in 1811. 6.02E23 means 6.02 with the decimal point moved to the right 23 times! So the number is 602,000,000,000,000,000,000,000 atoms in one gram mol of any substance. The atomic weight of hydrogen, the lightest substance, equals 1.0079. So, 1.0079 grams of hydrogen is one gram mol and it contains 6.02E23 atoms of hydrogen. The atomic weight of copper is 63.546. If one weighs out 63.546 grams of copper, that pile is one gram mol of copper and it also contains 6.03E23 atoms of copper. So, only 1 gram of hydrogen contains the same number of atoms as 63.5 grams of copper! The question is about the time required to count the atoms in only one gram of copper at a rate of 3 atoms per second. One gram of copper would contain many less atoms than one gram mol (63.546 grams). That one gram would contain only 1/63.546 or 0.0157 gram mol of copper. So, multiply 0.0157 gram mol by 6.02E23 and the one gram would contain only 9.47E21 atoms of copper. To count the atoms, divide by 3 atoms per second; then divide by 60 seconds per minute; then divide by 60 minutes per hour; then divide by 24 hours per day; then divide by 365 days per year; then divide by 1000 years per millennium. The answer is that the calculation procedure will take1.00E11 millennia to count the atoms at 3 atoms per second or 1E14 years. That's one hundred trillion years . . . and that with no sleep and no food or water to interrupt the counting! Or, if you could count 100 billion atoms per second, you could finish in slightly less than 17 minutes! A person undertaking this project should at least consider his or her limitations! Sam and David Crowther, Austin, Texas November 27, 2008

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Write a lisp function that counts number of atoms in a list?

Count the number of atoms in a list.A. (defun only-atoms (listx)(cond ((null listx) t)((atom listx) 2)((atom (first listx)) (only-atoms (rest listx)))(nil (+ 1 (only-atoms (first listx))(only-atoms (rest listx))))))


How do you determine the number of atoms in each unit cell?

Count the number of atoms that are all the way inside the cell. Each of these counts as 1. Count the number of atoms that are on a face, but not a corner or edge of the cell. Each of these count as 1/2. Count the number of atoms that are on an edge, but not a corner of the cell. Each of these count as 1/4. Count the number of atoms that are on a corner of the cell. Each of these count as 1/8. The final formula is: inside + 1/2 face + 1/4 edge +1/8 corner = total atoms per cell.


Can you count the number of atoms in a chemical equation?

Yes, you can count the number of atoms in a chemical equation by taking into account the subscripts of each element within the formula. The subscripts represent the number of atoms of each element present in the molecule. By adding up the total number of each atom on both sides of the equation, you can determine the total number of atoms in the chemical equation.


How many atoms of each element are in 2h2so4?

In 2H2SO4, there are a total of 2 sulfur (S) atoms, 8 hydrogen (H) atoms, and 4 oxygen (O) atoms. Each molecule contains 2 hydrogen atoms, so the total count is doubled from the molecular formula.


How many atoms are there in C6H8O7?

This compound contain 21 atoms in the molecule.

Related Questions

If you could count two atoms every second how many years would it take you to count a mole of atoms?

There are 6.022x10^23 atoms in a mole. First, you should find the amount of seconds in a proper year (365.25 days). Then, halve the amount of atoms in the mole (because we are counting two per second), then simply divide this number by how many seconds in a year.


Write a lisp function that counts number of atoms in a list?

Count the number of atoms in a list.A. (defun only-atoms (listx)(cond ((null listx) t)((atom listx) 2)((atom (first listx)) (only-atoms (rest listx)))(nil (+ 1 (only-atoms (first listx))(only-atoms (rest listx))))))


In 12.0 g of carbon, there are NA = 6.02 x 10^23 carbon atoms (Avogadro’s number). If you could count 1 atom per second, how long would it take to count the atoms in 1.00 g of carbon Express your answer in years?

If you could count 1 atom per second, it would take you 6.02 x 10^23 seconds to count the atoms in 12.0 g of carbon. Since there are 60 seconds in a minute, 60 minutes in an hour and 24 hours in a day and approximately 365 days in a year, this is equivalent to (6.02 x 10^23)/(60 x 60 x 24 x 365) = approximately 19 billion years.


Do atoms count as matter?

yes, atoms count as matter because they can be further split into smaller substances.


How many days would it take you to count a million pennies if you could count one penny each second?

3 years and 209 days...


How many carbon atoms are there?

C3H8O ==== Count them.


How many atoms are there in carbon?

C3H8O ==== Count them.


What do atoms represent?

to what number the element can count to


Could a mexcian learn English as a second langue and it count for a forienge langue in high school?

Not in America


How do you convert count per second to hertz?

the number of hertz = count per second


How do you count the atoms in a compound?

You would look at the chemical formula. The subscripts tell you how many atoms of an element are in one molecule or formula unit. Examples: H2O has 2 atoms of hydrogen and 1 atom of oxygen. C6H12O6 has 6 atoms of carbon, 12atoms of hydrogen, and 6 atoms of oxygen.


Why are the mass of the products the same during the magnesium and hydrochloric acid reaction?

Mg + 2HCl --> MgCl2 + H2 Count the atoms on the left and then count the atoms on the right. You will see the exact number of atoms and this exact number of atoms will have the same mass.