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Calculate mass of the dye per liter Kool Aid solution C in units of grams/L, i got a molecular weight of the dye as 496.42g/mol a concentration of the dye as 1.26x10^-14 mol/L and a mass of Kool Aid of 0.566g
What is the expected boiling point of a solution prepared by dissolving 5.83 g of sodium iodide (NaI) and 59.2 g of water (H2O)? For water, Tb=100.00C and Kb=0.512C*m^-1.
Suppose you have a glass tube which is 1 m long and 2.5 cm in diameter. Concentrated HCl acid is placed at one end of the tube and concentrated NH3 solution is placed at the other end.
What mass of NaN3(s) must be reacted in order to inflate an air bag to 74.6 L at STP?
determine whether or not the mixing of each of the two solutions indicated below will result in a buffer. 150 mL of .10M HF, 135 mL of .175M HF
What is the pH after 0.150mol of HCl is added to the buffer from Part A. Assume no volume change on the addition of the acid. Express the pH numerically to two decimal places.
Write balanced nuclear equations for (a.) the loss of an alpha particle by thorium- 230 and (b.) the fission of U- 235 to give Ba- 140, two neutrons, and another nucleus.
When chlorine reacts with 2-methylpropane and replaces only one hydrogen with chlorine
A system consists of an ideal monatomic gas initially at temperature 300.0 K, volume 4.000 L, and pressure 4.000 bar. For the following process, calculate the final values of T, P, V, q, w, ?U, and ?H.
Give the number of d-electrons associated with the central metal ion in each of the following complexes: K3[Fe(CN)], [Mn(H2O)6](NO3)2, Na[Ag(CN)2], [Cr(NH3)4Br2]ClO4, [Sr(EDTA)]2-
A sample of neon effuses from a container in 79 seconds. The same amount of an unknown noble gas requires 161 seconds.
What colligative properties are displayed by these situations.
Calculate the change in temperature for 4.5g of CaCl2 dissolved in 90.0mL of H20. Assume that calorimeter absorbs no heat. (Ccal=0)
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