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Question- What mass of anhydrous barium hydroxide contains the same number of moles of Ba+2 ions as 33.5 g of barium hydroxide octahydrate?
Solve the above problem in detail no word count
A liquid sample has a concentration of iron (Fe) of 5.6 mg/L. The density of the liquid is 2000 g/L. What is the Fe concentration in ppmm
When 0.500 mol of N2O4 gas is placed in a 2.50 L reaction vessel and heated to a set temperature, 65.3% of the N2O4 decomposes. Calculate Kc for the decomposition rxn.
120g of iron heated to 100c and put into a calorimeter with 100ml of water at 20c. The final temperature of the water and iron mixture is 30c.
Answer the following questions, include an explanation, balanced chemical equations where appropriate. Calculate the concentration of NaOH solution. Include calculation for each trial and average.
what effect would the incomplete drying of a sample for example the incomplete removal of a recrystallization solvent
Give the structure for an isomer of compound A that has a melting point that is appreciably different from that of A yet NMR spectra that are almost identical to those of A. Include wedge/dash bonds.
calculate the force and the pressure exerted on the wal given that the area of the wall is 100 cm squared and the speed of the atoms is 600m/s
a 16 g hypodermic needle has a nominal inner wall diameter of 1.65 mm and a 30 g hypodermic needle has a nominal inner
Alpha terpene, C10H16, is a pleasant-smelling hydrocarbon that has been isolated from oil of marjoram. On hydrogenation over a palladium catalyst, alpha terpene reacts with two molar equivalents of H2 to yield a hydrocarbon C10H20
Compute the molarity of NaOH from a titration that contained 0.5156 g of KHP as well as 29.35mL of 0.1 M solution of NaOH used.
Silver crystallizes in face centered cubic unit cell. a silver atom is at edge of each lattice point the length of the edge of the unit cell is 0.4086 nm. What is the atomic radius of silver
For 1 mol of an ideal gas, pext = p = 101 kPa (pressure remains constant). The temperature is changed from 100 degrees C to 25.0 degrees C. Calculate q, w, ΔU and ΔH. Assume CV,m = 3/2 R.
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