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how many grams of CrSO4 will be made from 41.0 grams each of Zn, K2Cr2O7, and H2SO4?
How much ice (in grams) would have to melt to lower the temperature of 355 mL of water from 26 degrees C to 6
after the correct formula for a reactant in an equation has been written , what can be changed to balance the equation?
Briefly explain how a lake with a limestone bed is more resistant to pH changes than a lake with a granite bed
5L of CO2 at 500 torr and 3L of CH4 at 400 torr are put into a 10L container. what is the pressure exerted by the gasses in the container.
Show the complete hydration reaction for 3-octane. Use the condensed structural to show reactants
Determine the pH of a 0.075 M aqueous solution of magnesium fluoride. For hydrofluoris acid the Ka is 7.0 x 10^-2.
For carbon tetrachloride, the boiling point constant is 5.03°C·kg/mol, and the boiling point of pure carbon tetrachloride is 76.50°C.
how many grams of asprin were lost in the washing process you used to purify your product, assuming you used 50mL if water for washing? The solubility of asprin in water is 0.33g per 100mL at room temperature.
The difference between these forces is why some solids dissolve by an exothermic reaction (release heat), while other solids absorb heat and cool the solution. For an ionic solid dissolving in water, briefly identify the attractive
Using the calibration data provided below, calculate the concentration of cocaine (mg/mL) in the original urine sample.
What was the mass percent of dissolved solids in the sea water? b.) The actual solution chloride content in the sea water was 2.69%
How many mL of water (density = .997g/ml at 25 degree C) are needed to dissolve 10.0g of NH4NO3 in order to prepare a .100m ammonium nitrate solution?
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