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Use Coulomb's law to calculate the ionization energy in kJ/mol of an atom composed of a proton and an electron separated by 270.00 pm.
The only difference is the H+-ATP stoichiometry. Given that the pH on the outside of the xeno-mitochondrial membrane is 6.014,
what is the partial pressure of helium? If the two flasks are connected through a stopcock and the stopcock is opened, what is the partial pressure of argon?
A physician treating a patient with megaloblastic anemia might be tempted to treat the patient with folic acid to see if a simple folate deficieny is involved.
how many calories are required to warm 15.0 g of water from 75 c to 100.0 c and convert it to steam at 100.0 c? the
A dioxin-contaminated water source contains 0.081% dioxin by mass. How much dioxin is present in 4.2 L of this water? (Assume that the density of the solution is 1.01 g/mL.)
At what tempature should 0.5 moles of nitrogen be held to maintain a pressure of 125 kpa in a 1.0L closed sealed container
The biochemical oxygen demand (BOD) is the capacity of organic and biological matter in natural water to consume oxygen. It is determined experimentally by measuring the oxygen concentration in a sealed sample before and after a 5-day incubation p..
The element bromine at room temperature is a liquid with a density of 3.12g/ml calculate the mass of 125 ml of Bromine . What volume does 85.0 g of bromine occupy?
Bromothymol blue is a common acid-base indicator. It has a Ka equal to 1.6 X 10^-7. Its unionized form is yellow and its conjugate base is blue. What color would a solution have at pH=5.8?
In which region of the carbon-13 NMR spectrum would you expect to find a resonance for the carbonyl group of an aliphatic ketone. The given chemical shift ranges are approximate. A. 50-80 ppm B. 180-210 ppm C. 100-150 ppm D. 65-85 ppm E. 9-10 ppm ..
The melting point of a pure compound is known to be 110-111°. Describe the melting behavior expected if this compound is contaminated with 5% of an impurity.
When C2H5OH +3O2 produces 2CO2 + 3H2O,determine how many grams of oxygen gas are essential for complete combustion of 421grams of ethanol ?
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