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@X@user.full_name@X@ @GMU: What unit does the abbreviation ‘…

@X@user.full_name@X@ @GMU: What unit does the abbreviation ‘1 ms’ stand for?

Published December 3, 2024
Categorized as Uncategorized

@X@user.full_name@X@ @GMU: What is the molar heat capacity o…

@X@user.full_name@X@ @GMU: What is the molar heat capacity of Au if it took 19.178 J to increase the temperature of 16.91 g of it by 8.789°C?

Published December 3, 2024
Categorized as Uncategorized

@X@user.full_name@X@ @GMU: The average speed of HBr molecule…

@X@user.full_name@X@ @GMU: The average speed of HBr molecules (atoms) was 406.9 m/s. What was the temperature of the gas?

Published December 3, 2024
Categorized as Uncategorized

@X@user.full_name@X@ @GMU: A 55.63 mL sample of 0.2425 M HCN…

@X@user.full_name@X@ @GMU: A 55.63 mL sample of 0.2425 M HCN was neutralized by exactly 37.63 mL of Mg(OH)2. What was the molarity of Mg(OH)2?2HCN(aq) + Mg(OH)2(aq) → Mg(CN)2(aq) + 2H2O(l)

Published December 3, 2024
Categorized as Uncategorized

@X@user.full_name@X@ @GMU: A compound contains only berylliu…

@X@user.full_name@X@ @GMU: A compound contains only beryllium and astatine. A sample weighing 129 g of this compound contained 2.71 g of beryllium. How many grams of astatine would there be in another sample of this compound containing 8.59 g of beryllium?

Published December 3, 2024
Categorized as Uncategorized

@X@user.full_name@X@ @GMU: How many milliseconds are there i…

@X@user.full_name@X@ @GMU: How many milliseconds are there in 34.70 deciseconds?

Published December 3, 2024
Categorized as Uncategorized

@X@user.full_name@X@ @GMU: Determine which compound should h…

@X@user.full_name@X@ @GMU: Determine which compound should have a(n) linear molecular geometry.

Published December 3, 2024
Categorized as Uncategorized

@X@user.full_name@X@ @GMU: The density of a particular gas i…

@X@user.full_name@X@ @GMU: The density of a particular gas is 3.9385 g/L at 800.52 mm Hg and 26.72 °C. Which gas is it?

Published December 3, 2024
Categorized as Uncategorized

@X@user.full_name@X@ @GMU: How many grams of H2S must one re…

@X@user.full_name@X@ @GMU: How many grams of H2S must one react with a stoichiometric amount of O2 to produce -115.2 kJ?2H2S(g) + 3O2(g) → 2SO2(g) + 2H2O(g) ΔH = -1037 kJ

Published December 3, 2024
Categorized as Uncategorized

@X@user.full_name@X@ @GMU: What is the mass (grams) of one a…

@X@user.full_name@X@ @GMU: What is the mass (grams) of one atom of bismuth?

Published December 3, 2024
Categorized as Uncategorized

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