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Determine what volume of 3.00M HCl in liters is required to react completely with 0.500L of 0.200M Na2CO3?
A gas sample in a cylindrical chamber with a movable piston occupied a 4.626 liters of volume when the temperature was 27.2 °C. and pressure was 0.983 atm The pressure was readjusted to 1.388 atm by moving the piston but the temperature remained constant throughout?. What was the volume occupied by the sample under the new conditions
Compute the thermal-equilibrium values of hole and electron concentrations while Considering a homogeneous gallium arsenide semiconductor at the given temperature of T = 300 K with Nd = 1016 cm-3 and Na = 0?
A student analyzed and recorded two potassium emission spectra: 1) one using 0.10 M Potassium sulfate solution; 2) one using 0.10M Potassium nitrate solution;. Determine why will significant differences be observed in the two emission spectra.
Separation of acetone from water by using MIBK - How much MIBK must be used if the final acetone concentration in the water-rich phase is 5 wt%?
Compute how many ml of C2H3NaO2(0.2 M) need to be added to 200 mL of 0.1 M CH3COOH to make a buffer of pH 5 and also find out what would be the total concentration of C 2 H 3 O 2 be in this (acetate + acetic acid) solution ?
Gas diffusion and Viscosity are both transport properties, Derive the general relationship between the viscosity for a gas and diffusion coefficient .calculate the diffusion coefficient if Given that the viscosity of Ar is 223 micro Pascals at 29..
CHEM 354 Extended Problems, The variation of EMF for the cell below with temperature is shown in the graph below.
Explain how does unique physical and chemical properties of water contribute to significance of water for life on Earth to survive.
Determine the pressure in Standard atmospheres,Torr and mm Hg units when A gauge on compressed gas cylinder reads 1500 psi ( pounds per square inch; 1 atm =14.7 psi).
Calculate how many grams of phosphorus are present in 2.68 moles of phosphorus pentachloride(PCl5) and also determine the numbers of moles of chlorine are present in 3.71 grams of phosphorus pentachloride?
Calculate how many grams of Ni2+ are present in 3.36 moles of nickel(II) fluoride(NiF2) and also determine the number of moles of F- ion are present in 4.82 grams of nickel(II) fluoride.
Using the information below, calculate the mass of benzene in each phase and find the total mass of benzene at the site.
Determine how many significant figures are there in the Fahrenheit result when 7.02C converted to Fahrenheit scale,?
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