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The density of a 7.50% (m/m) solution of ammonium sulfate, (NH4)2SO4, is 1.04 g/mL.
What mass of (NH4)2SO4 would be required to prepare 750 mL of this solution?
An electron in the n=4 energy level of a He+ atom could be in any number of degenerate energy states or orbitals. List all of the possible values of the 1 and m1 quantum numbers for n=4, identify the 1 values in terms of the usual letters
determine the expression for the rate of the reation in terms of the change in concetration of each of the reatants and products.
Why is the C-C bond length in naphthalene C10H8 between the typical single C-C bond length and the typical C=C double bound length
An equilibrium mixture of PCl5(g), PCl3(g), and Cl2(g) has partial pressures of 217.0 Torr, 13.2 Torr, and 13.2 Torr, respectively. A quantity of Cl2(g) is injected into the mixture, and the total pressure jumps to 263.0 Torr (at the moment of mix..
1. Fat has a lot of kcal, and many people are carrying too much weight. Should humans consume fat? If so, what kind (be specific, using the names [not just types] of the fatty acids) and why.
What is the chloride concentration when 25ml of 0.1 M AlCl3 and 25 ml of 0.5 M NaCl are mixed together. Assume the volumes are additive.
Draw clear representations of the two chair conformations of cis-2-methylcyclohexanol. Circle the hydrogen atoms which are anti to the hydroxyl group.
Use condensed structures to illustrate the 3 possible charged species and the one neurtral species that can exist in aqueous environments for the polar acidic acid of your choice. Indicate which conditions are present in each of the four drawings.
ATP is created from ADP and Pi in the mitochondria of most cells. this reaction is thermodynamically endergonic. what directly provides the energy for this reaction to occur
What is the final dilution obtained after each dilution series shown below? Express each answer in exponential numbers.
This noncombustible liquid in its dry form is noncorrosive to common metals exceptaluminum. About 90% of all of this material which is manufactured goes into the production ofchlorofluorocarbons. Is this substance:
What is the molality of a solution formed by dissolving 1.70 mol of KCl in 15.0 mol of water (MM of water = 18.02 g/mol),
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