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Question - How long does it take to deposit a coating of gold 1.00 um thick on a disk-shaped medallion 4.00 cm in diameter and 2.00 mm thick at constant of 86A? The density of gold is 19.3 g/cm^3 and the gold is from an Au(III) solution.
Solve the above problem and provide steps with explanation
If a sodium hydroxide solution is prepared by dissolving it in a volumetric flask and diluting to the line with mixing, will the level be on the line, below the line, or above the line on the following day?
What are the RATE LAW and k VALUE (with units) for the reaction? Assume conc. in moles per liter T or F. Feezer burn involves solid water conversion to vapor then back again.
Use the atomic radius (70 pm) and density of neon at 25 °C and 1 atm (0.90 g/mL) to calculate the average density of a neon atom.
A curved surface of a liquid which has its vapor pressure at equilibrium with the surroundings has a higher vapor pressure than a flat surface. Why
what is happening to the observed cell potential, Ecell and E0Cell as Zn2+ increases and Cu2+ decreases?
Draw a circuit diagram that has two resistors in series with a DC voltage source. If resistor one (R1) is 758 kohms and resistor two (R2) is 712 kohms, then what is the current flowing through the circuit if the voltage is 8.49 V?
In a 1-L beaker, 203 mL of 0.307M ammonium chromate was mixed with 137mL of 0.269M chromium(III) nitrite to produce ammonium nitrite and chromium(III) chromate. Write the balanced chemical recation occuring here.
An experiment shows that a 248 ml gas sample has a mass of 0.435 g at a pressure of 747 mm Hg and a temperature of 26 c. What is the molar mass of the gas?
Calculate the ratios of the different kinds of protons in a compound with an integral ratio of 6 : 4 : 18.4 (going from left to right across the spectrum).
Calculate the mass of limestone that must be decomposed to produce 500g of lime CAO the equation for the reaction is CaCO3(S) CaO(s) + CO2(g)
How does the Hammond postulate explain: a. the greater selectivity for bromination vs. chlorination of an alkane? b. the fact that the relative reactivity of C-H bonds of an alkane for free radical chain halogenation is 1º>2º>3º
Burning a straight chain alkane in oxygen gas yields a reaction: CnH(2n+2) + aO2 = bCO2 + cH2O determine the factor "a" as a function of "n" for equations where n is equal to or greater than 1.
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