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< Question 23 of 36 > Give the full electronic configuration for phosphorus. about us careers privacy policy terms of use contact us help
< Question 24 of 36 > In the reaction, 2 NaN,(s) — 2 Na(s) + 3N2(g) what mass of sodium azide, NaNz, would be required to produce 611 L of nitrogen, N2, measured at STP? mass: about us careers privacy policy terms of use contact us help
Submit All Questions Completed 1 out of 36 Save Answer < Question 11 of 36 > A compound with the empirical formula CH, has a molar mass of 84 g/mol. What is the molecular formula for this compound? molecular formula: about us careers privacy policy terms of use contact us help
< Question 33 of 36 > Assuming equal concentrations and complete dissociation, arrange these aqueous solutions by their freezing points. Highest freezing point Lowest freezing point Answer Bank about us careers privacy policy terms of use contact us help < Question 33 of 36 > Lowest freezing point Answer Bank Na SO4 FeCl2 NaNO3 Al2(SO4)3 about us careers privacy policy terms of use contact us help
< Question 28 of 36 > How many grams of sodium hydroxide are present in 252.0 mL of a 0.300 M NaOH solution? mass of sodium hydroxide = about us careers privacy policy terms of use contact us help
< Question 18 of 36 > Determine whether each compound is soluble or insoluble in water. Soluble in water Insoluble in water Answer Bank MgSO4 PbCl2 NaCl PbSO4 SCO about us careers privacy policy terms of use contact us help
Submit All Questions Completed 3 out of 36 Save Answer < Question 35 of 36 > For the chemical reaction 2 NaOH + H2SO4 NaSO4 + 2H2O what mass of sodium sulfate is produced from 2.23 mol of sodium hydroxide? g about us careers privacy policy terms of use contact us help
< Question 31 of 36 > When heated, KC10, decomposes into KCl and 02. 2 KCIO3 - 2 KCl + 302 If this reaction produced 96.1 g KCl, how many grams of O, were produced? mass: g 02 about us careers privacy policy terms of use contact us help
< Question 32 of 36 > What volume of 0.215 M KOH, V, can be neutralized with 63.5 mL of 1.31 M HNO,? V= mL about us careers privacy policy terms of use contact us help
Submit All Questions Completed 1 out of 36 Save Answer < Question 8 of 36 > A sample of an ideal gas has a volume of 3.60 L at 14.00 °C and 1.50 atm. What is the volume of the gas at 19.60 °C and 0.994 atm? V = L about us careers privacy policy terms of use contact us help