When a current passes through the body, it is mainly carried by positively charged sodium ions...
When a current passes through the body, it is mainly carried by positively charged sodium ions (Na+) with charge +e and negatively charged chloride ions (Cl−) with charge −e. In a given electric field, these two kinds of ions do not move at the same speed; the chloride ions move 50% faster than the sodium ions.
Part A If a current of 190 μA is passed through the leg of a patient, how many chloride ions pass a cross section of the leg per second?
Express your answer as a number of chloride ions.
Homework Answers
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When a current passes through the body, it is mainly carried by
positively charged sodium ions...
Current passes through a solution of sodium chloride. In 1 s, 2.57 × 1016 Na+ ions...
Current passes through a solution of sodium chloride. In 1 s, 2.57 × 1016 Na+ ions arrive at the negative electrode and 3.9 × 1016 Cl- ions arrive at the positive electrode. What is the current passing between the electrodes? (Give your answer in scientific notation using A as unit)
Current passes through a solution of sodium chloride. In 1.00 s, 2.68×1016 Na+ ions arrive at...
Current passes through a solution of sodium chloride. In 1.00 s, 2.68×1016 Na+ ions arrive at the negative electrode and 3.92×1016 Cl−ions arrive at the positive electrode. What is the current passing between the electrodes? (Answer in mA) What is the direction of the current? (Outward the negative electrode or toward the negative electrode)
"When inhibitory neurotransmitters bind to their receptors in the post-synaptic cell," positively charged ions flow through...
"When inhibitory neurotransmitters bind to their receptors in the post-synaptic cell," positively charged ions flow through the ligand-gated ion channel increasing the chance that an action potential can be fired in the post-synaptic cell negatively charged ions flow through the ligand-gated ion channel decreasing the chance that an action potential can be fired in the post-synaptic cell positively charged ions flow through the stress-gated ion channel increasing the chance that an action potential can be fired in the post-synaptic cell...
1- A 5.6 A current runs through copper wire of diameter 2.06 mm. Copper has 8.5...
1- A 5.6 A current runs through copper wire of diameter 2.06 mm. Copper has 8.5 × 1028 free electrons per cubic meter. At what speed does a typical electron pass by any given point in the wire? (Give your answer in scientific notation using m/s as unit) 2-Current passes through a solution of sodium chloride. In 0.8 s, 2.51 × 1016 Na+ ions arrive at the negative electrode and 3.95 × 1016 Cl- ions arrive at the positive electrode....
G of sodium nitrate (NaNO,) dissolves in 100 g of water at 20°C. Is this solution saturated or un...
g of sodium nitrate (NaNO,) dissolves in 100 g of water at 20°C. Is this solution saturated or unsaturated? Wha t would happen if you added ten more grams of sodium nitrate to the solution? What would if you added the ten grams and raised the temperature to 40 C? lution is unsaturated. Adding ten additional grams of solute (NaNO,) would result in a homo geneous solution. Raising the temperature of the solution by 20°C would not affect the solution...
The mobilities of H+ and Cl at 22°C in water are 3.623 x 10-3 and 7.91 x 10-4 cm2 s-1 v1, respect...
The mobilities of H+ and Cl at 22°C in water are 3.623 x 10-3 and 7.91 x 10-4 cm2 s-1 v1, respectively. What proportion of the current is carried by the protons in 1.0 x 10-3 mol L-1 hydrochloric acid? What fraction do they carry when the NaCI is added to the acid so that it is 1.0 mol L-1 in the salt? Note how concentration, as well as mobility governs the transport of current. (a) Given that the electric...
please answer all questions with clear work A flashlight bulb draws 2.5 amps when connected to...
please answer all questions with clear work
A flashlight bulb draws 2.5 amps when connected to two C cells (3 volts). What is the power dissipated in the bu lb? View Available Hint(s 3.6 W O 3W O 7.5 W O None of the above. Request Answer Submit One billion electrons pass a certain point in a microsecond. This corresponds to a current of View Available Hint(s) O None of the listed responses is correct 0.00016 A 0.00000016 A O1x1015...
5. When all of the sample to be collected has left the column, will the drop...
5. When all of the sample to be collected has left the
column, will the drop of solution coming off the tip of the column
be acidic, basic or neutral?
6. How many H+ ions would be displaced from the ion
exchange column by 1 Cu2+ ion?
7. Binding sites on the ion exchange resin are saturated
with which ion before the sample solution is added?
8. Ions are displaced from the resin binding sites by
any ion that has...
Conductivity of Solutions For Che 2A at RCC Introduction Electrolytes are compounds which conduct electricity when...
Conductivity of Solutions For Che 2A at RCC Introduction Electrolytes are compounds which conduct electricity when dissolved in water. Strong electrolytes consist of ionic compounds which dissociate completely when dissolved in water, AND molecular compounds which completely ionize when dissolved in water. The reactions below illustrate the dissociation reaction of strong electrolytes: Na (aq) + Cl(aq) но NaCl(s) H30 CaBra(s) HO HCl(e) Ca(aq) + 2Br (aa) H*(aq) + C'(aq) Conductivity is a measure of the ability of water to pass...
"When inhibitory neurotransmitters bind to their receptors in the post-synaptic cell," positively charged ions flow through the ligand-gated ion channel increasing the chance that an action potential can be fired in the post-synaptic cell negatively charged ions flow through the ligand-gated ion channel decreasing the chance that an action potential can be fired in the post-synaptic cell positively charged ions flow through the stress-gated ion channel increasing the chance that an action potential can be fired in the post-synaptic cell...
g of sodium nitrate (NaNO,) dissolves in 100 g of water at 20°C. Is this solution saturated or unsaturated? Wha t would happen if you added ten more grams of sodium nitrate to the solution? What would if you added the ten grams and raised the temperature to 40 C? lution is unsaturated. Adding ten additional grams of solute (NaNO,) would result in a homo geneous solution. Raising the temperature of the solution by 20°C would not affect the solution...
The mobilities of H+ and Cl at 22°C in water are 3.623 x 10-3 and 7.91 x 10-4 cm2 s-1 v1, respectively. What proportion of the current is carried by the protons in 1.0 x 10-3 mol L-1 hydrochloric acid? What fraction do they carry when the NaCI is added to the acid so that it is 1.0 mol L-1 in the salt? Note how concentration, as well as mobility governs the transport of current. (a) Given that the electric...
please answer all questions with clear work
A flashlight bulb draws 2.5 amps when connected to two C cells (3 volts). What is the power dissipated in the bu lb? View Available Hint(s 3.6 W O 3W O 7.5 W O None of the above. Request Answer Submit One billion electrons pass a certain point in a microsecond. This corresponds to a current of View Available Hint(s) O None of the listed responses is correct 0.00016 A 0.00000016 A O1x1015...
5. When all of the sample to be collected has left the
column, will the drop of solution coming off the tip of the column
be acidic, basic or neutral?
6. How many H+ ions would be displaced from the ion
exchange column by 1 Cu2+ ion?
7. Binding sites on the ion exchange resin are saturated
with which ion before the sample solution is added?
8. Ions are displaced from the resin binding sites by
any ion that has...
Conductivity of Solutions For Che 2A at RCC Introduction Electrolytes are compounds which conduct electricity when dissolved in water. Strong electrolytes consist of ionic compounds which dissociate completely when dissolved in water, AND molecular compounds which completely ionize when dissolved in water. The reactions below illustrate the dissociation reaction of strong electrolytes: Na (aq) + Cl(aq) но NaCl(s) H30 CaBra(s) HO HCl(e) Ca(aq) + 2Br (aa) H*(aq) + C'(aq) Conductivity is a measure of the ability of water to pass...
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