How many carbon atoms are there in a 1.3-carat diamond? Diamonds are a form of pure...
Part A How many carbon atoms are there in a 1.3-carat diamond? Diamonds are a form of pure carbon. (1 carat = 0.20 grams) Express your answer to two significant figures. carbon atoms = Part B Calculate the mass of 2.25
26) Diamond is a pure form of the element carbon. If a 2 carat diamond has a mass of \(0.39626\) ) g. how many carbon atoms are contained in this diamond?A) \(2.38 \times 10^{23}\) atomsB) \(1.99 \times 10^{23}\) atomsC) \(1.99 \times 10^{22}\) atomsD) \(3.97 \times 10^{22}\) atomsE) \(6.58 \times 10^{-25}\) atoms27) Dinitrogen monoxide, or laughing gas \(\left(\mathrm{N}_{2} \mathrm{O}\right)\), is used as a dental anesthetic and as an aerosol propellant. How many molecules of \(\mathrm{N}_{2} \mathrm{O}\) are present in a \(12.6...
The tiara worn by Kate Middleton for her wedding to Prince William of England contains 888 diamonds and belongs to the British monarchy. If each diamond in the tiara is 1.0 carat, and given that diamond is a form of carbon and that 1 carat is defined as 0.200 g, calculate the number of atoms in the gemstones of that tiara.
a) How many atoms are in 92.2 g of pure aluminum? b) How many grams of carbon, C, would contain the same number of atoms as 39.948 g of argon, Ar? c) How many grams of S are in 785 g of SO2?
1) Dime a Dozen Diamonds makes synthetic diamonds by treating carbon. Each diamond can be sold for $100. The materials cost for a standard diamond is $40. The fixed costs incurred each year for the factory upkeep and administrative expenses are $200,000. The machine costs $1 million and is depreciated straight-line over 10 years to a salvage value of zero. a.What is the accounting break-even level of sales in terms of the number of diamonds sold? b.What is the economic...
How many carbon atoms are in 8.44 mL of C3H6O? 1 mole = 6.02 x 1023 atoms 1 mL = 0.898 g The answer has to be in the correct significant figures. Not sure how to do this.
How many moles of ibuprofen contain 1.51×10^23 atoms of carbon? Express your answer using three significant figures.
How many grams of carbon dioxide can form when a mixture of 3.20 g ethylene (C2H4) and 5.90 g of oxygen is ignited, assuming complete combustion to form carbon dioxide and water? Give the answer again with the correct number of significant figures.
A sample of the male sex hormone testosterone, C19H28O2, contains 3.98×1021 atoms of hydrogen. How many atoms of carbon does it contain? Express your answer in atoms to three significant figures. How many molecules of testosterone does it contain? Express your answer in molecules to three significant figures.
How many carbon atoms are in the structure? number of carbon atoms: