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Problem- A student determines the density of a sample of chromium to be 6.80 g/cm3, 6.78 g/cm3, and 6.77 g/cm3. The density of chromium is known to be 7.15 g/cm3. What calculation would determine the student's precision?
I require skilled aid to respond the specified problem
Suggest one way in which an enzyme solution might be stored for future examination without damaging the enzyme
Cake alum, aluminum sulfate, is commonly used to purify sewage. What mass of precipitate, aluminum hydroxide, forms whn 185.5 mL of 0.533 M NaOH is added to 627 mL of a cake alum solution that contains 15.8 grams per liter
If 5.0L of nitrogen at 12°C and 1.30atm pressure reacts with the same volume of hydrogen at the same temperature and pressure, what volume of ammonia is obtained at that temperature and pressure
One way of obtaining pure sodium carbonate is from side to side the decomposition of the mineral trona Na 3(CO3)(HCO3)*2H2O molar mass: 226.03 g/mol, as exposed in the subsequent reaction 2Na3(CO3)(HCO3)*2H2O(s) ----->3Na2CO3(s) + CO2(g) + 5H2O(g)..
Assume at certain time the wave function is N for all x between values x=1cm and x=2cm. for all values of x outside the interval 1, 2 the wave function is zero.
find the heat, work , energy, enthalpy, and entropy change for this process.
The strength of a bottle of vinegar was determined by adding potassium carbonate to a 20 ml sample of vinegar until bubbling ceased. The amount potassium carbonate added at the point the bubbling ceased was 1.134 grams. What is the concentration o..
Problem- Provide a mechanism for the removal of a Fmoc 9-fluorenylmethoxycarbonyl protecting group from an amino group under basic conditions.
Problem- How much heat (in kJ) is needed to convert 996g of ice at -10 degrees Celsius to steam at 126 degrees Celsius
Illustrate that the rate at which shaft work is obtained or needed for a reversible change of state in a closed system at constant entropy as well as pressure is equal to the rate of change of enthalpy of the system.
when ionic compounds crystallize from a supersaturated solution the crystallization front typically travels at a
Provide something that would have a measurement of 50cc, 10.0cm, 5.0x104cm3, 500g, 25kg, 100m, 0.20L, 0.0001km, 1.0x109ug, 250,000mL, 75.0mm,1,000um. Q. How to compute my height of 5'0 into centimeters? And my weight into kilograms
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