Bromobenzene, C6H5Br, has a molar mass of 157.01 g/mol. Why are there two prominent lines with...
Bromobenzene, C6H5Br, has a molar mass of 157.01 g/mol. Why are there two prominent lines with almost equal heights at mass-to-charge ratios (m/Z) of 156 and 158 in the mass spectrum of the compound? Why are there also some small lines at various m/Z ratios in the mass spectrum of bromobenzene?
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Bromobenzene, C6H5Br, has a molar mass of
157.01 g/mol. Why are there two prominent lines with...
When 780 g of benzene (Molar mass = 78 g/mol) reacts with 750 mL of concentrated...
When 780 g of benzene (Molar mass = 78 g/mol) reacts with 750 mL of concentrated HNO3 (16 M) and 750 mL of H2SO4 (18 M), 1000 g of nitrobenzene (molar mass = 123 g/mol) and 250 g of an unknown compound with a high boiling point are obtained. c. Give the name of the most probable side product with the high melting point. Explain why. e. Supposing the crystalline compound (250 g) has the formula C6H4N2O4, calculate the yield...
A 0.5998 sample of a new compound with a molar mass of 93.12 g/mol was analyzed...
A 0.5998 sample of a new compound with a molar mass of 93.12 g/mol was analyzed and found to have 0.2322g of carbon,some hydrogen,and 0.3091g of oxygen. What is the formula for the compund?
A compound with the empirical formula of NaSO₄ and a molar mass of 238 g/mol has...
A compound with the empirical formula of NaSO₄ and a molar mass of 238 g/mol has a molecular formula of:
Ethane (molar mass 30.07 g/mol) boils at-88.6℃ Methanol has almost the same molar mass (32.04 g...
Ethane (molar mass 30.07 g/mol) boils at-88.6℃ Methanol has almost the same molar mass (32.04 g mol), but boils at 65℃, which of the following BEST explains the reason for the large discrepancy in boiling point? Choose one: A. Ethane is ionic and, therefore, has a lower boiling point. B. Methanol is ionic and, therefore, has a higher boiling point. C. Both compounds only exhibit van der Waals forces. D. Both compounds are polar. Methanol is more polar than Ethane....
A compound with the empirical formula CH, has a molar mass of 70 g/mol. What is...
A compound with the empirical formula CH, has a molar mass of 70 g/mol. What is the molecular formula for this compound? molecular formula:
A gaseous compound has a density of 1.76 g/L at 21.3 °C and 1.10 atm. What is the molar mass of the compound? g/mol...
A gaseous compound has a density of 1.76 g/L at 21.3 °C and 1.10 atm. What is the molar mass of the compound? g/mol Molar mass =
An unknown compound has a molar mass of 245 g/mol and an enthalpy of solvation of...
An unknown compound has a molar mass of 245 g/mol and an enthalpy of solvation of 13 kJ/mol. What is the final temperature of 273 mL of water with an initial temperature of 55 °C, if a student completely dissolves 19 grams of the unknown compound? (heat capacity of water = 4.18 J/g °C)
a compound consisting of C, H, and O only has a molar mass of 262.3 g/mol....
a compound consisting of C, H, and O only has a molar mass of 262.3 g/mol. combustion of 0.1000 of this compound caused a 0.2014 increase in the mass of the CO2 absorber and a .07553 g increase in the mass of the H2O absorber. what is the empirical formula of the compound
Compound X has a molar mass of 180.16 g-mol and the following composition: element mass %...
Compound X has a molar mass of 180.16 g-mol and the following composition: element mass % carbon 40.00% hydrogen 6.71% oxygen 53.29% Write the molecular formula of X. Х ?
-1 Compound X has a molar mass of 86.09 g-mol and the following composition: element mass...
-1 Compound X has a molar mass of 86.09 g-mol and the following composition: element mass % carbon 55.81% hydrogen 7.02% oxygen 37.17% Write the molecular formula of X. 5 ?
Ethane (molar mass 30.07 g/mol) boils at-88.6℃ Methanol has almost the same molar mass (32.04 g mol), but boils at 65℃, which of the following BEST explains the reason for the large discrepancy in boiling point? Choose one: A. Ethane is ionic and, therefore, has a lower boiling point. B. Methanol is ionic and, therefore, has a higher boiling point. C. Both compounds only exhibit van der Waals forces. D. Both compounds are polar. Methanol is more polar than Ethane....
A compound with the empirical formula CH, has a molar mass of 70 g/mol. What is the molecular formula for this compound? molecular formula:
A gaseous compound has a density of 1.76 g/L at 21.3 °C and 1.10 atm. What is the molar mass of the compound? g/mol Molar mass =
Compound X has a molar mass of 180.16 g-mol and the following composition: element mass % carbon 40.00% hydrogen 6.71% oxygen 53.29% Write the molecular formula of X. Х ?
-1 Compound X has a molar mass of 86.09 g-mol and the following composition: element mass % carbon 55.81% hydrogen 7.02% oxygen 37.17% Write the molecular formula of X. 5 ?
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