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Question: A company has a large vat of brine containing 5.0% salt (95% water) and wishes to prepare 45 kg batches of brine having salt content varying from 6.0% to 3.0(101 )%. Prepare a graph showing the required amount of original brine and dry pure salt that must be mixed to obtain a brine with a specified salt content in the range. Consider the desired salt content of the 45 kg batch as the independent variable.
Find the Fourier transform of the function exp(-πx2/ σ2). Explain how the width and height of the bands are inversely related in the two domains. Why should this be so
Explain while the Gibbs free energy G is the fundamental function of natural variables (T, p, N), growing biological cells often regulate not the numbers of molecules N, however the chemical potentials u. That is, they control concentrations. Expl..
question a certain first-order reaction has a rate constant of 2.75 x 10-2s-1 at 20oc. what is the value of k at 60oc
Confirm that the z-component of orbital angular momentum is a basis for an irreducible representation of A2 symmetry in C3v.
What you observed upon the addition of NH3(aq) to magnesium chloride solution / what species are present in the test tube?and what happened when we add NH4Cl? Explain this observation with respect to the equilibrium reactions that exist in the test..
NH3(Ammonia ) is widely used in many household cleaners and as a fertilizer. Calculate How much ammonia (in units of mol) is produced when 7.8 mol of H gas react with an excess of N gas.
A 35.0-mL sample of 0.150 M acetic acid (HC2H3O2) is titrated with 0.150 M NaOH solution. Calculate the pH after the following volumes of base have been added.
The mitochondrion has two membranes, the inner and outer- the outer membrane is porous and enables many molecules to freely diffuse. The inner membrane is different from the outer membrane as it is only penetrable to o2, co2, and h2o
When 35.6 L ammonia and 40.5 L oxygen gas react at STP, NO(g) and water are produced. How many grams of NO(g) are produced assuming 100% yield?
When 9.64x10-4 moles of this complex is dissolved into 425.0 mL of the water, you find that 19.22 mL of 0.1000 M HCl is needed to reach a titration endpoint. What is the final formula
How do you determine what pH range a certain solution would be a good buffer in?
Naturally occurring chlorine is composed of 35Cl and 37Cl. The atomic weight of chlorine is 35.453. What are the percentages of 35Cl and 37Cl in naturally occurring chlorine. Assume that the mass of 35Cl and 37Cl are 35 and 37 amu respectively.
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