Concept explainers
Interpretation:
The given number of helium atoms in
Concept introduction:
The ordinary numbers are written as the power of
In scientific notation, the non-zero significant numbers are written along with the power of
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Introductory Chemistry: Concepts and Critical Thinking (8th Edition)
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- There are 26,900,000,000,000,000,000,000 oxygen molecules in 1 liter of oxygen gas at standard temperature and pressure. Express this number in scientific notation.arrow_forwardCalculate the mass (in grams) of 0.722 mol of titanium. Express the mass to three significant figures and include the appropriate units. mass= μÅ Value Units wwwww ?arrow_forwardThe chemical formula for sodium bromide is NaBr. A chemist measured the amount of sodium bromide produced during an experiment. She finds that 182. g of sodium bromide is produced. Calculate the number of moles of sodium bromide produced. Be sure your answer has the correct number of significant digits.arrow_forward
- A chemist measures the amount of chlorine gas produced during an experiment. She finds that 113. g of chlorine gas is produced. Calculate the number of moles of chlorine gas produced. Be sure your answer has the correct number of significant digits. |mol x10arrow_forwardA chemist determines by measurements that 0.0150 moles of chlorine gas participate in a chemical reaction. Calculate the mass of chlorine gas that participates. Be sure your answer has the correct number of significant digits. x10 alo Ararrow_forwardAqueous hydrochloric acid HCl will react with solid sodium hydroxide NaOH to produce aqueous sodium chloride NaCl and liquid water H2O . Suppose 34.3 g of hydrochloric acid is mixed with 64. g of sodium hydroxide. Calculate the maximum mass of water that could be produced by the chemical reaction. Be sure your answer has the correct number of significant digits.arrow_forward
- Aqueous hydrobromic acid HBr will react with solid sodium hydroxide NaOH to produce aqueous sodium bromide NaBr and liquid water H2O . Suppose 61. g of hydrobromic acid is mixed with 57.3 g of sodium hydroxide. Calculate the maximum mass of sodium bromide that could be produced by the chemical reaction. Be sure your answer has the correct number of significant digits.arrow_forwardGaseous butane CH3CH22CH3 will react with gaseous oxygen O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O . Suppose 20. g of butane is mixed with 37.9 g of oxygen. Calculate the maximum mass of water that could be produced by the chemical reaction. Be sure your answer has the correct number of significant digits.arrow_forwardWhen you open a can of carbonated drink, the carbon dioxide gas inside expands rapidly as it rushes from the can. Describe this process in terms of the kinetic-molecular theoryarrow_forward
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