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A student placed 14.5 of glucose () in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100.- mark on the neck of the flask was reached. The flask was then shaken until the solution was uniform. A 30.0- sample of this glucose solution was diluted to 0.500 . How many grams of glucose are in 100. of the final solution?
a new batterys voltage may be acceptable or unacceptable. a certain flashlight requires 2 batteries so batteries will
naturally occurring silver contains 107ag amu 106.91 and 109ag amu 108.90 with mass percentages of 51.840 and 48.160
a 40.0 g sample of solid ammonium carbonate is placed in a closed evacuated 3.00 l flask and heated to 400 degrees c.
a plate fin heat exchanger for truck is designed to cool high temperature and high pressure oil using high pressure
calculate the molality of c2h5oh in a water solution that is prepared by mixing 50.0ml of c2h5oh with 100.0 ml of h2o
when luminaires lighting fixtures are installed in clothes closets a distans of in. millimeters must be mauntained
suppose 532 ml of neon gas at 20c and 1.04 atmospheres and 376 ml of sf6 gas at 20c and 0.97 atmospheres are put into a
a gas is enclosed in a cylinder fitted with a piston. the volume of the gas is 2.00 l at 1.00 atm pressure. the piston
explain the graph we recieved in the simulation that shows the relationship between the recieved throughputand sent
if i initially have a gas at a pressure of 12 atm a volume of 23 liters and a temperature of 200 k and then i raise the
A natural gas mixture is burned in a furnace at a power-generating station at a rate of 13.0 mol per minute. (a) If the fuel consists of 9.3 mole CH4, 3.1 mole C2H6, 0.40 mol C3H8, and 0.20 mole C4H10,
The rate constant of some reactions double with every 10 degree rise in temperature. Assume that a reaction takes place at 295 K and 305 K. What must the activation energy be for the rate constant to double as described?
Find the temperature of 3 grams of chlorine gas in a 1.5 L container with 801 mmHg of pressure.
A 9.20-L container holds a mixture of two gases at 47 °C. The partial pressures of gas A and gas B, respectively, are 0.315 atm and 0.803 atm. If 0.180 mol of a third gas is added with no change in volume or temperature, what will the total pr..
Calculate the number of moles of bromine present in 14.5 mL of Br2(l), whose density is 3.12 g/mL.
How can one confirm the identity of a peak in a chromatogram. How does one choose a solvent in HPLC
The U.S. Environmental Protection Agency set a maximum contaminant level (MCL) for tetrachloroethylene (TCE, C2Cl4) in drinking water of 0.005 ppm (by mass).
Determine how much oxygen in grams is formed by the complete reaction of 38.88 of Na2O2.
Name and list the functions of the prosthetic group(s) associated with a) HDLs , b) interferons, c) viruses , and d)hemoglobin
calculate the final pressure and the number of moles of H2 in each flask
Would a solution that has a molarity of 0.990 M KNO3 and a density of 0.988 g/mL be considered unsaturated, saturated, or supersaturated?
Potassium nitrate decomposes on heating, producing potassium oxide and gaseous nitrogen and oxygen: 4KNO3(s)→ 2K2O(s) + 2N2(g) + 5O2(g)
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