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A gas at 80 kPA occupies a volume of 5 mL. What volume will the gas occupy at 70 kPa?
tarnish silver sulfide may be removed from a silver spoon by placing the spoon in contact with a metallic container
0.65 of sodium hydroxide (NaOH) pellets are dissolved in water to make 2.5L of solution. What is the pH of this solution
Calculate the theoretical yield of C2H5Cl. Calculate the percent yield of C2H5Cl if the reaction produced 176 g of C2H5Cl.
I- is oxidized by MnO4- in basic solution to yield I2 and MnO2. The coefficient on H2O in the balanced redox reaction will be
Compute the concentration of ATP and NADH present. The molar absorption (extinction) coefficients are 18000 at 260 nm and 0 at 340 nm for ATP, as well as 15000 at 260 nm and 6220 at 340 nm for NADH.
Steel is an alloy composed of iron as well as carbon that crystallizes BCC, where C atoms are located at interstitial sites obtainable in the center of the faces.
Sodium chlorate (NaClO3(s)) dissociates, during moderate heating to produce solid sodium chloride (NaCl(s)) and gaseous oxygen (O2 (g)). A 3.4671 g of impure sodium chlorate was heated until the evolution of oxygen stopped.
The partial pressure of oxygen gas in an atmosphere at STP is approximately 0.2 atm. If I capture 11.2 liters of atmospheric gas at STP in a flask,
A hemoglobin molecule can bind up to four oxygen molecul;es.in a certain experiment a 0.085L solution containing 6g of deoxyhemoglobin was reacted with an excess of oxygen in a constant pressure calorimeter of negligible heat capacity
Predict the products of each precipitation and acid / base reaction. Balance the completed equation, and then write the net ionic equation. Name the reactants and the products.
What mass of sucrose should be combined with 541 of water to make a solution with an osmotic pressure of 8.30 at 295 ? (Assume the density of the solution to be equal to the density of the solvent.)
consider the following reaction2n2og rarr 2n2g o2gin the first 15.0 s of the reaction 1.7times10-2nbspmol o2nbspis
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