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How many moles of a metal chloride (MCl2) will dissolve in 2.0 liters of 0.050 M NaCl solution? (Ksp for MCl2 = 1.24 x 1-^-10)
Compute the pressure (in atmospheres) Using the van der Waals equation, exerted by water(H2O) of 23.93 grams at 36.11 degree celsius in a 1.00 Litre container.
Calculate the pKa value of the acid and determine the number of moles of acid initially present. b) When the reaction is complete, what is the concentration ratio of conjugate base to acid
At constant pressure, 660 mL of nitrogen at 37°C are changed to 725 mL What is the new temperature of this gas?
Then draw the substitution product formed when this enantiomer reacts with NaCN in DMSO, and indicate the stereochemistry of the product.
Which state in each of the following pairs has the higher entropy per mole of substance. 1. Ice at - 40 degrees C or ice at 0 degrees C 2. N2 at STP or N2 at 0 degrees C and 10 atm 3. N2 at STP or N2 at 0 degrees C in a volume of 50 L 4.
find the probability of finding an electron in a 10 nm one dimensional box between 0.1 nm and 0.2 nm.
Separat the components of a water-insoluble mixture of barium sulfate (BaSO4) and nickel (ii) carbonate (NiCO3). Chemicals provied to aid in the separation and recovery of the 2 component mixturee are HCl(aq) and K2CO3(aq)
Calculate the work (in kJ) when 2.60 moles of hydrogen gas are produced from the reaction of sodium in excess water at 298 K: 2Na(s) + 2H2O(l) ? 2NaOH(aq) + H2(g)
When a metal was exposed to light at a frequency of 3.49× 1015 s-1, electrons were emitted with a kinetic energy of 3.60× 10-19 J. What is the maximum number of electrons that could be ejected from this metal by a burst of light
a ball is thrown verticall downward with an initial speed 11.3 m from a roof of a building 39.0m above the ground .how long doest it take to reach the ground? what is its speed of impact?
What units do chemistry normally use for density of liquids and solids? for gas density? Explain the differences
it was found that 19.31 ml of an hcl solution are needed to react completely with 322 ml of a lioh solution that has a
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