Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
If the level falls too low, there can be brain damage. If a person has a glucos level of 108 mg.100mL, what is the total mass of glucose in grams in 5.10L of blood?
Calculate the volume of metabolic water available to a camel through fatty acid oxidation if it carries 13.62kg of tricylglycerol in its hump.
Using bond energies calculate the total energy change (Hrxn) for the reaction N2 + 3H2 ! 2NH3 as written (i.e., per 2 moles of ammonia formed).
At 35°C, K = 1.6*10^-5 mol/L for the following reaction. Calculate the concentrations of all species at equilibrium for each of the following original mixtures.
Enriching Tower for Benzene-Toluene. An enriching tower is fed 100 kg mol/h of a saturated vapor feed containing 40 mol % benzene (A) and 60 mol % toluene (B) at 101.32 kPa abs. The distillate is to
Aluminum foil used to package food is approximately 0.0254 mm thick. Assume that all of unit cells of the aluminum are arranged so that ao (unit cell length) is perpendicular to the foil surface. Fo
Mass measurements of the crucible, lid, and sample are performed only at room temperature. Why is the technique necessary for a gravimetric analysis?
A measurement of the heat produced when a known amount of sugar burns in a constant volume calorimeter would enable us to first calculate the molar Gibbs free energy change for the combustion of sug
The mass of pure and dry BaSO4 precipitated obtained 0.9335g. What is the formula of the zinc sulfate hydrate? name this compound.
Exactly 1.00 mole of an ideal gas undergoes an iso thermal expansion (T 300 K) from state A to state B. Find the gas's change in entropy for the process BA.
Assuming that the light has an average wavelength of 510.0 nm, calculate how many such photons are emitted per second by a 80.0-W incandescent lightbulb.
Calculate the change in the sun's entropy when this radiation was emitted from the surface of the sun at a temperature of 5500 K.
The free energy of formation of NO is 78 kJ mol¯1 at the temperature of an automobile engine (1000 K). What is the equilibrium constant for this reaction at 1000 K?
The element Ag has two naturally occurring isotopes 109Ag and 107Ag, and its average atomic mass is 107.868 amu. The natural abundance of 107Ag is 51.87% and its atomic mass is 106.905 amu. Calculat
If the person weigh ing 100 lb requires 2000 Calories per day, how many Calories are needed by the person weighing 150 lb?
calculate the probability that the particle will be located in the range 0.5a less than or equal x less than or equal 0.75a
Analysis of a reaction mixture showed that it had the composition. Calculate the reaction quotient Qc .
The temperature is -34°C. What is the change in volume of the balloon as it ascends from 1.00 atm to a pressure of 240. torr?
A particular brand of gasoline has a density of 0.737 g/mL at 25 °C. How many grams of this gasoline would fill a 12.5gal tank?
When 5.00 g of FeCl3 . xH20 are heated, 2.00 g of H20 are driven off. Find the chemical formula and the name of the hydrate.
Calculate the final temperature of the solution assuming no heat lost to the surroundings and assuming the solution has a specific heat capacity of 4.18 J/°C · g.
Neutrons were discovered in 1932 more than 10 years after the existence of isotopes was confirmed. What property of electrons and protons led to the discovery? Suggest a possible reason my neutrons
A generic salt, AB, has a molar mass of 249 g/mol and a solubility of 2.70 g/L at 25 degrees Celsius. What is the Ksp of this salt at 25 degrees Celsius?
Determine the percent yield for the reaction. Assume a constant temperature and that no other reactions occur other than the one indicated.
The density of titanium metal is 4.51 g/cm 3 at 25 ° C . What mass of titanium displaces 65.6mL of water at 25 ° C ?