Vanillin, C8H8O3 (M=152 g/mol), is the molecule responsible for the vanilla flavor in food. What is the mass (in gram) of 2.52x10^22 molecules of Vanillin?
Vanillin, C8H8O3 (M=152 g/mol), is the molecule responsible for the vanilla flavor in food. What is...
Suppose that the root-mean-square velocity Us of water molecules (molecular mass is equal to 18.0 g/mol) in a flame is Feedback found to be 1170 m/s. What temperature does this represent? The root-mean-square velocity Urms of a molecule in a gas is related to 5.95 x109 temperature the mass of the molecule m and the temperature of the gas T. 3KT Urms The Boltzmann constant is k = 1.38 x 10-23 J/K.
What is the mass of a 5 mol sample of air? (M 29 g/mol) Mass of Air =Number grams
PLEASE HELP! Dealing with molality and pressure Calculate the morality of a solution containing 0.755 mol glucose and 1.75 kg of water. 0.875 m 0.583 m 0.431 m 580 m 0.850 m What mass of a 0.66 m ammonium nitrate(80.04 g/mol) solution will contain 0.15 mol of solute? 227 g 239 g 440 g 493 g 4453 g What is the morality of a sucrose (C_12H_22O_11) solution that produces an osmotic pressure of 2.65 atm at 25 degree C? 0.0349...
1. What mass of H2SO4 (H2SO4 = 98.1 g/mol) must be dissolved in 7.34 kg H20 to produce a 2.80 m solution? 2. How many molecules of CzH5OH are in a 6.00 m solution that contains 7.00 kg H20? (Hint: 6.02 x 1023 molecules = 1 mol)
A new molecule called Annaxyl was just discovered with a molecular mass of 25 g/mol and a density of 0.345 g/mL. If a super-scientist named Anna decided to add 20.0 mL of Annaxyl to 3.00 L of water, what is the concentration (mol/L) of Annaxyl?
water has a mass per mole of 18.0 g/mol, and each water molecule (H2O) has 10 electrons. a) how many electrons are there in one liter (1.00 x 10^-2 m^3) of water? b) what is the net charge of all these electrons?
(21) Water has a mass per mole of 18.0 g/mol, and each water molecule (H2O) has 10 electrons. (a) How many electrons are there in 1.0 L of water? (b) What is the net charge of all these electrons? (22) Two point charges are fixed on the y-axis: a negative point charge q1 = ?25.0 µC at y1 = 0.22 m and a positive charge q2 at y2 = 0.34 m. A third point charge q = 8.4 µC is...
5. If the exact mass of C6H14 is 86.11 g/mol, then what is the mass of the radical cation? Fragmentation of Alkanes loss of e C6H14 radical cation = (M)+. 5. If the exact mass of CH is 86.11 g/mol, then what is the mass of the radical cation? 6. Most carbon atoms exist as carbon 12 (6 protons, 6 neutrons); however, about 1.1 % of carbon atoms exist as carbon 13 (6 protons, 7 neutrons). Evaluate the structures below...
What mass of a 0.66 m ammonium nitrate (80.04 g/mol) solution will contain 0.15 mol of solute a) b) c) d)
5. Aspirin is produced by the reaction of salicylic acid (M = 138.1 g/mol) and acetic anhydride (M = 102.1 g/mol). CHO,() + C.H.O,(C) - C.H.O.(s) + C2H.O() If 5.00 R of C.H.O. (M = 180.2 g/mol) is produced from the reaction of 5.00 g CH.O, and 6.00 g C.H.Os, what is the percent yield? a) 11.6% b) 29.0% c) 59.9% (4) 68.8% e) 76.68% 4.6 Chemical Equations and Chemical Analysis o and MnSO4H2O has a mass of 2.005 g....