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How many grams of copper (lll) nitrate would be produced from 4.30 g of copper metal reacting with excess nitric acid
Bronze is an alloy consisting of 88.0% copper and 12.0% tin. The density of copper is 9.28 g/mL and the density of tin is 7.48 g/mL. Calculate the approximate density of bronze.
7.480 g of an organic compound is mixed with water to make a 300 ml solution which has an osmotic pressure of 1.43 atm
The half-life for a first-order reaction is known to be 379 seconds at a given temperature. What is the rate constant at this temperature?
A solution of barium hydroxide, Ba(OH)2, contains 4.285 g of barium hydroxide in 100.0 mL of solution. What is the molarity of the solution? Show all work and include units throughout your calculations
The decomposition of HI(g) is represented by the equation 2HI(g) H2(g) + I2(g) Kc= 64 at 25°C. If the equilibrium concentrations of H2 and I2 at 400°C are found to be [H2] = 5.0x10-4 M and [I2] = 1.4x10-3 M, what is the equilibrium concentration o..
How many moles of HF (Ka = 6.8 10-4) must be present in 0.165 L to form a solution with a pH of 2.25?
During the nitration of methyl benzoate, explain what is the purpose of pouring the final solution in a small stream while stirring vs dumping it onto the ice
In 1995, the IPCC considered a global average temperature rise of 1.0-3.4 degree celcius likely by the year 2100, with 2.0 degrees its best estimate. Predict the average rise in sea level due to thermal expansion of sea water based on temperature ..
Explain the thermal expansion coefficient of Ti metal is 9 x 10^-6 *C^-1. Explain what percent increase in atomic separation is realized in going from 25*C to625*C
considering the heisenbergs uncertainty principle compute the uncertainty in the position of a 1.50-mg mosquito moving
Describe how the leaving groups affects the rate of an Sn2 reactions Use specific chemical examples to support the conclusion
The radius of an atom of gold (Au) is about 1.35 Angstron. (a) Express this distance in nanometers, and in picometers. (b) how many gold atoms would have to be lined up to span 1.0 mm? (c) if the atom is assumed to be a sphere, what is the volume ..
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