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Explain why must the reaction of both the pure copper as well as the brass sample with nitric acid be done in the hood?
You decide 20.1 g of KCl in 1.00 kg of water. The volume of the resulting mixture is virtually identical to the original volume of the 1.00 kg of water.
because anhydrous sodium sulfate is a relatively inefficient drying agent a student uses twice as much of this salt as
What is the coordination number of the central metal ion in K3[Co(H20)4Cl2] one, two, four or six
Be sure to calculate what volume of each 0.50M solution should be mixed to give a total volume of 50.0mL and the reactants in the correct stoichiometry.
A (identical to the starting ester) and E. Propose a neutral structure for each compound that is consistent with the data. Note that the absolute stereochemical configurations of chiral substances cannot be determined from the data. Arbitrarily dr..
Find the absolute and percent relative uncertainty and express the answer with a reasonable number of significant figures for the following calculation
A balloon has a volume of 3.00 liters and a temperature of 56.0 celcius.if the volume increases to 7.00 liters, what is the new temperature in celcius?
Calcium hydride reacts with a vast excess of water to form calcium hydroxide and hydrogen gas. How many grams of calcium hydride
Using the following equation: 2AgNO3+MgBr2->2AgBr+Mg(NO3)2 calculate the moles of silver bromide and magnesium nitrate produced by 85 mol of magnesium bromide reacting with silver nitrate.
A concentrated sulfuric acid solution is 65.0% H2SO4 by mass and has a density of 1.55 g/mL at 20°C. What is the mass of 8.00 L of the concentrated sulfuric acid solution?
This is a visualization question: If the number of mol of He in the mixture visualized is 1.53, calculate the total number of mol present in the mixture.
What mass of O2 is required for the complete combustion of 68.9 g of pentane, C5H12, to CO2 and H2O?
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