What molar ratio of sodium acetate to acetic acid
What molar ratio of sodium acetate to acetic acid (NaAc/HAc) should be used in preparing a buffer having a pH of 4.35? (Ka = 1.8×10-5 for acetic acid.)
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If 5.50 of the unknown compound contained 0.183 of and 0.367 of , how many moles of oxygen, , were in the sample?
What are the technique that we encounter in the experiment of preparation of standard solutions and standardization of hydrochloric acid solution with primary standard sodium carbonate solution
A steam turbine receives water at 15 MPa, 600oC at a rate of 100 kg/s, shown in Figure Q4 below. In the middle section 20 kg/s is withdrawn at 2 MPa, 350oC, and the rest exits the turbine at 75 kPa and 95% quality.
Star-connected capacitor bank is used to correct this power factor to 0.95 lagging. star-connected capacitor bank to correct this power factor to 0.95 lagging. What effect does the capacitor bank have on the efficiency of the motor?
Write down the matlab code for KNN classification. Instead of distance between your data points,use cosine similarity between them and choose the k closest(i.e.maximum cosine similarity)points.
Estimate the enthalpy change for the combustion of one mole of acetylene, C2H2, to form carbon dioxide and water vapor. Start by writing the balanced combustion reaction.
Air is compressed under steady flow conditions, see Figure Q3. The power input to the compressor is 3 kW. During the process the specific heat loss from the compressor is measured to be 20 kJ/kg.
The first order rate constant for a reaction at 700 oC is 8.98e-03 s-1. If the activation energy for the reaction is 340 kJ/mol, what is the rate constant at 800 oC?
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