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Copper dissolved in nitric acid, producing copper (II) nitrate. After reaction with sodium hydroxide an heating, copper nitrate changed to copper(II) oxide. Calculate the percent yield of this process if 1.025g of copper produced 1.025 g of copper oxide.
For the reaction 2HI(g) H2(g) + I2(g), Kc = 0.290 at 400 K. If the initial concentrations of HI, H2, and I2 are all 1.50 × 10-3 M at 400 K, which one of the following statements is correct
What is the correct positions of the methyl group and the isopropyl group in the most stable chair confirmation of cis-1-isopropyl-2-methylcyclhexane
CCl2F2 can be recycled into a different compound by reaction with hydrogen to produce CH2F2, a compund useful in chemical manufacturing.
An oxygen tank contains oxygen at a pressure of 70 kPa. When the pressure drops to 36 kPa, the temperature increases from 300 K to 350 K. If the initial volume is 9 L, what is the final volume?
HClO is a weak acid (Ka = 4.0 × 10-8) and so the salt NaClO acts as a weak base.
Identify the following systems as open, closed, or isolated. i) Coolant in a refrigerator coil ii) The combustion of liquid hexane in a bomb calorimeter
A 10mL sample of aquarium water was treated with reagents to form a colour, and after dilution to 100 mL was found to have an absorbance of 0.162. calculate the concentration in ppm of nitrite in the aquarium water.
Calculate the change in entropy (in J/K) when 89.8 g of nitrogen gas is heated at a constant pressure of 1.50 atm
If equal masses of N2 and H2 (7.00 grams each) are combined to produce ammonia NH3, how many grams of ammonia could be produced at maximum yield.
Draw the following protein molecule, Need to draw the following molecule (using the lewis condensed line structure).
The activity coefficients for acetic acid and the acetate ion are 1.000 and 0.775, respectively, in a solution with an ionic strength of 0.10 M.
Assume that the liquid is an ideal solution and apply Raoult's law to find the following. What is the temperature of the liquid?
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