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For each of the subsequent state a balanced chemical equation to represent the dissociation of the compound when it is dissolved in water. If the compound wouldn't dissociate write NRX.
a. (NH4)3PO4
b. Na2SO4
c. CBr4
How many grams sodium chloride (NaCl) should be used in preparing 24 L of a solution containing 150 mEq/L. (atomic wt of sodium is 23, atomic wt of chloride is 35.5)
Suppose that microwave radiation has a wavelength of 11.2cm. How many protons are required to heat 245mL of Coffee from 25.0 C to 62.0C? Assume that the coffee has the same density,
Calculate average molarity of 0.1M NaOH after titration with a volume of NaOH used = 17.16 mL.
A 643 mL gas sample at STP is compressed to a volume of 285 mL, and the temperature is increased to 26C. What is the new pressure of the gas in Pa? Answer in units of Pa.
Suppose a system of three particles, represented by circles, have the possibility of occupying energy states with 0, 10, or 20 . Collectively, the particles must have 30 of total energy. One way the three particles can distribute themselves is sho..
Explain why magnetic metals are found only among the 3d and 4f elements. Why are Sc and Ti, which are also 3d elements, diamagnetic?
Draw the structure of an optically active fat that yields 2 equiv of stearic acid and 1 equiv of oleic acid on hydrolysis. Draw the structure of an optically inactive fat that yields the same products.
Determine the degree of unsaturation for C5H8. Draw constitutional isomers of C5H8 that are terminal and internal. Name each molecule according to IUPAC.
Consider the reaction between Mercury Iodide (Hg2I2) and sulfur yielding mercury (HgS) sulfide and iodine (divalent molecule). Which element is reduced
Draw electron dot structure for the following molecules or ions notes En (electronegativity of Sb, Se, CL O are 1.9, 2.4, 3.0 respectively (a) SbCL3 (b) SeOCL2 (c) BF4- (d)C2H5CL
Determine the pH of a solution of 10-3 M sodium formate. Formate is a byproduct of microbial metabolism, and can also serve as an energy source for anaerobic bacteria.
A person has been accussed of severely injuring another person in a barroom brawl. The accused was arrested and samples of hair and skin were take from under the person's fingernails. The hair matched the color of the victim's hair.
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