What was this gas and how was it produced
What was this gas and how was it produced when you first added the NaBH4 to the benzoic, gas bubbles most likely evolved from the reaction mixture.
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Determine the average power dissipation in a series RC circuit of R= 5.27 kilo Ohms, X(c) = 1667 ohms, and Z = 5270 ohms, and V = (170V) cos 300?
What would be the expected final temperature if 5.50 g calcium chloride is dissolved in 50.0 mL of24.7 oC water. The text tells us that ΔHsolution for calcium chloride is -82.8 kJ/mole.
In the RLC series circuit, the phase angle among the current and the voltages is 20 degrees. When the AC frequencies twice then determine the resultant phase angle?
The chemists spread a thin film of certain inert material over the surface of water to cut down the rate of evaporation of water in reservoirs in the water conservation.
A transformer comprises of a 500 turn primary coil and a 2000 turn secondary coil. When the current in the secondary is .33A, determine the primary current??
If 50.0 ml of a 0.050 M KI is mixed with the 25.0 ml of 25.0 ml of water and a 0.750 MFe+3, explain what will the concentration of each component be after mixing (before any reaction takes place)assuming the volumes are additive?
Based upon the sample results, determine the 90% confidence interval estimate for the true population proportion of suspension helmets that would fail the test?
Explain would you expect the activation energy for catalyst reaction to be greater than, less than, equal to that of anuncatalyzed reaction?
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In the context of cervical disk injuries, what action is most likely to facilitate a stable, safe, and pain-free cervical posture during strenuous activity?
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