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Wires aren't really ideal. The voltage drop across a current-carrying wire can be significant unless the resistance of the wire is quite low. Suppose a 80 ft extension cord is being used to provide power to an electric lawn mower. The cord carries a 12 A current. The copper wire in a typical extension cord has a 1.3 mm diameter
What is the voltage drop across a 80 ft length of wire at this current?
Consider the titration of a 24.3mL sample of 0.120M RbOH with 0.110M HCl. Determine each of the following.
Write a complete stepwise mechanism for the reaction of cyclopentanone with bromine in acetic acid to give 2-bromocyclopentanone. Show all intermediate structures and all electron flow with arrows.
Explain why selectivity in isocratic HPLC system ideally should not depend on eluent composition. (Use thermodynamic derivation to support your explanation).
Assuming that the peaks are Gaussian, calculate the % resolution, i.e. calculate the area under the first peak which lies to the left of half way between the two peaks.
Your model should represent what will work effectively in your organization given limited financial resources and the capabilities of the organization at this time. Consider what the CEO, CFO, and CIO would realistically approve as cost-effective.
The amount of nitrogen in an organic subsxtance can be determined by an anlytical method called the Kjeldahl method, in which all the nitrogen in the organic substance is converted to ammonia.
Find the activity coefficient of H+ in a solution containing 0.010 M HCl plus 0.040 M KClO4
A 10.0 mL sample of aqueous HCl requires 28.5 mL of 0.12 M NaOH to reach the endpoint. What is the molar concentration of HCl? The equation for the reaction is: HCl+NaOH NaCl + H2O
water to form dissolved boric acid, H3BO3, and hydrogen sulfide gas. What is the balanced Equation?
What is the concentration (in M) of the nitrate ion when 18.4 mL of a 0.744 M solution of sodium nitrate is combined with 15.9 mL of a 0.734 M solution of copper(II) nitrate? Assume the volumes are additive.
write the most stable lewis structure for C2F4 and state the hybridization of the carbon atom
331 mg of an unknown acid was titrated with 0.110 m sodium hydroxide. the equivalence point is at 25.00 ml. what is
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