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Calculate the atomic mass and identify the element. exact ma…

Calculate the atomic mass and identify the element. exact mass,  amu                         percent abundance 34.968852                             75.77% 36.965903                             24.23%     

Published January 20, 2025
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A 44.0 g sample of stainless steel is placed in a graduated…

A 44.0 g sample of stainless steel is placed in a graduated cylinder containing 30.2 mL of water and the water level rose to 35.8 mL. What is the density of stainless steel?

Published January 20, 2025
Categorized as Uncategorized

The mass of 78 kg equals

The mass of 78 kg equals

Published January 20, 2025
Categorized as Uncategorized

Round 129995 to four significant figures.        

Round 129995 to four significant figures.        

Published January 20, 2025
Categorized as Uncategorized

Round the number  0.0607545 to four significant figures.   

Round the number  0.0607545 to four significant figures.   

Published January 20, 2025
Categorized as Uncategorized

Compute the following: Number of moles of copper in 254 g of…

Compute the following: Number of moles of copper in 254 g of copper[moles] Mass of 0.050 mol of copper[grams1] Mass of 1.81×1024 atoms of copper[grams2] Number of moles of copper in 2 moles of Cu3(PO4)2 [moles2]

Published January 20, 2025
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The amount of phosphorus in an 85 kg person is approximately…

The amount of phosphorus in an 85 kg person is approximately 0.9 kg. What is the weight of phosphorus in pounds?

Published January 20, 2025
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Identify the period and the group number of each element Be …

Identify the period and the group number of each element Be  period[period1]group[group1] Se  period[period2]group[group2] Re  period[period3]group[group3] Fe  period[period4]group[group4] Ce  period[period5]group[group5]

Published January 20, 2025
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Convert 12557 feet to meters. Round your answer to three sig…

Convert 12557 feet to meters. Round your answer to three significant figures.

Published January 20, 2025
Categorized as Uncategorized

The density of tungsten is 19.35 g/cm3. A sample of tungsten…

The density of tungsten is 19.35 g/cm3. A sample of tungsten is placed in a graduated cylinder containing 16.1 mL of water and the water level rises to 23.6 mL. What is the mass in grams of the sample of tungsten?

Published January 20, 2025
Categorized as Uncategorized

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