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Use the Henderson-Hasselbalch equation to calculate the pH of each solution: Part A - a solution that is 0.20 M in HCHO2 and 0.13 M in NaCHO2 Part B - a solution that is 0.11 M in NH3 and 0.17 M in NH4Cl
how many N2 molecules can be produced after the explosion of 2.37 kg of NH4NO3? (Molar mass of NH4NO3 is 80.06 g/mol.)
A 5.0×101 sample of water absorbs 355 of heat.If the water was initially at 25.9, what is its final temperature.
A solution is prepared by condensing 5.01L of a gas, measured at 27.0 degrees celcius and 769 mmHg pressure, into 72.1g of benzene. Calculate the freezing point of this solution.
The mass of a cube of iron is 284 g. Iron has a density of 7.87 g/cm3. What is the mass of a cube of lead that has the same dimensions?
Assume that the kinetic energy of a 1250 kg car moving at 115 km/h could be converted entirely into heat. What amount of water could be heated from 19 C to 48 C by the car's energy.
The values of the specific rotation, [alpha]20D, for the alpha and beta anomers of D-galactose are 150.7 and 52.8 degrees, respectively. A mixture that is 20% of alpha-D-galactose and 80% beta-D-galactose is dissolved in water at 20 degrees C.
Does 4-Phenylphenol have a monosubstituted aromatic ring ( or also known as monosubstituted aromatic overtone band [msoab] )
Draw a Lewis Structure for C3O2. Draw a Lewis Structure for C2H3NO5
What observed rotation is expected when a 1.50 M solution of (R)-2-butanol is mixed with an equal volume of a 0.750 M solution of racemic 2-butanol
Calculate the cost in free energy to move 1mol K+ through the cell wall by active transport. Assume no change in K+ concentrations during this process.
The healthcare provider recommends that she take the Benedict's test. Assume that the glucose levels of the patient are high. State the composition and the properties of the ketohexose derived from fruit jam.
If solar radiation is 1010 , how many photons strike the leaf every second? Assume three significant figures and an average wavelength of 504 for solar radiation.
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