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Zinc carbonate hydroxide contains 59.55% zinc by mass. Calculate the molecular weight (molar mass) of zinc carbonate hydroxide (there are 5 unites of zinc in every unit of zinc carbonate hydroxide
Calculate H for the reaction of one mole of PbS with Oxygen and carbon, forming lead, sulfur dioxide and carbon monoxide.
Which atom has the largest partial positive charge in these bonds. C-H, C-O, C-F, C-Cl C in C-O Cl in C-Cl O in C-O F in C-H C in C-H C in C-Cl C in C-F
kilimanjaro in tanzania is the tallest peak in africa 19340 ft.. on a particular day the barometric pressure at the top
When ethane (C2H6) reacts with chlorine (Cl2) the main product is C2H5Cl; but other products containing Cl (chlorine), such as C2H4Cl2, are also obtained in small quantities. The formation of these other products reduces the yield of C2H5Cl. In a ..
mnbipyn32 is a coordination complexwith azide ion. what is the charge on the manganese? what is the overall charge on
Consider 50.00 mL of 0.100 M lactic acid (Ka = 1.4 × 10-4) that is titrated with 0.100 M NaOH. a. What is the pH at the midpoint (also called half-way point) of the titration
A gas expands and does P-V work on the surroundings equal to 313 J. At the same time, it absorbs 135 J of heat from the surroundings. Calculate the change in energy of the gas.
The rate of vaporization of a liquid can be increased by 1)increasing the surface area 2)increasing the temperature 3)decreasing the
Determine the value of Kc for the following reaction if the equilibrium concentrations are as follows: [HCl]eq = 0.13 M, [HI]eq = 5.6 × 10-16 M, [Cl2]eq = 0.0019 M.
Write the ground-state electron configurations for the following elements. (Type your answer in noble gas notation using the format [Ar] 4s2 3d10 4p2 for [Ar]4s23d104p2.)
For the titration of 25.0 mL of 0.20 M hydrofluoric acid with 0.20 M sodium hydroxide, determine the volume of base added when pH is 3.15
How long will it take for 20% of the U-238 atoms in a sample of U-238 to decay. If a sample of U-238 initially contained 1.4×1018 atoms when the universe was formed 13.8 billion years ago, how many U-238 atoms will it contain today
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