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What is the molarity of a solution made by dissolving 3.5 g of Ba(OH)2 in enough water to make 440 mL of solution?
Calculate the amounts of Na2HPO4 and NaH2PO4 (in grams) needed to prepare 200 mL of a buffer with pH = 8.25 so that the sum of concentrations
For the following battery: Cd(s) | CdCl2(aq) || Cl-(aq) | Cl2(l) | C(s) Write the reduction half-reaction occuring at the C(s) electrode. (Include physical states of reactants and products.) From which electrode will electrons flow from the batter..
First lab experiment - zinc and copper aqueous solutions were tested in a microscale cell well where the voltage reading was 1.04V. Solutions were each at about 5mL.
Pure 2-methylpentane is held in a closed container at 150F. Both gas and liquid are present. What is the pressure in the container
Nitric oxide (NO) reacts instantly with oxygen gas to form nitrogen dioxide (NO2), a dark-brown gas. 2 NO(g) + O2(g) 2 NO2(g)
A hydrocarbon is found by combustion analysis to contain 87.17% carbon and 12.83 hydrogen by mass. Determine the smallest possible molecular formula for this compound.
The decomposition of dimethyl ether (CH3OCH3) to methane, carbon monoxide, and hydrogen gases is found to be first-order.
How many amps are required to produce 59.2 g of aluminum metal from a sample of molten aluminum fluoride
A little confused on the difference between Resonance and Isomer structures. Can you explain these to me with examples. I am in Organic Chem.
We use Use the De Broglie wavelength formula, ohr radius definition and wave-particle duality equation to compute the wavelength of,
What weight of potassium formate should be added to make 900 mL of a pH 4.00 buffer solution
Calculate the OH- concentration of a solution that has a [H3O+] of 3.5 x 10-10M. Calculate the [H3O+] of a solution that has an [OH-] of 0.0000060M. Is the solution acidic, basic or neutral
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