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)
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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 1.00 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)
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....
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...
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...
When sodium chloride dissolves in water, the ions dissociate: NaCl (s) Na+ (aq) + Cl-...
When sodium chloride dissolves in water, the ions dissociate: NaCl (s) Na+ (aq) + Cl- (aq) What is the sign of the change in Gibbs free energy (DG) for each process in the forward direction?
When sodium chloride dissolves in water, the ions dissociate: NaCl (s) --> Na+ (aq) + ...
When sodium chloride dissolves in water, the ions dissociate: NaCl (s) --> Na+ (aq) + Cl- (aq) Write ionic equations, similar to the one above, that describe how NaNO3 and NaCH3COO each dissociate as they dissolve in water. Include heat as a reactant or product in each equation.
When sodium chloride dissolves in water, the ions dissociate: NaCl (s) à Na+ (aq) + Cl-...
When sodium chloride dissolves in water, the ions dissociate: NaCl (s) à Na+ (aq) + Cl- (aq) Write ionic equations, similar to the one above, that describe how NaNO3 and NaCH3COO each dissociate as they dissolve in water. Include heat as a reactant or product in each equation
When sodium chloride dissolves in water, the ions dissociate: NaCl (s) --> Na+ (aq) + Cl-...
When sodium chloride dissolves in water, the ions dissociate: NaCl (s) --> Na+ (aq) + Cl- (aq) Consider the equation, DG = DH - TDS. For each dissolving process, substitute the signs of DG and DH into the equation and predict the possible sign(s) for the entropy (DS). Explain why you chose this sign(s). Does the sign for entropy change seem to make sense? Explain.
Write the chemical formula for each compound described. calcium chloride (1 Ca ion, 2 Cl ions): sodium sulfide (2 Na io...
Write the chemical formula for each compound described. calcium chloride (1 Ca ion, 2 Cl ions): sodium sulfide (2 Na ions, 1 S ion):
10. When sodium chloride dissolves in water, the ions dissociate: NaCl (s) = Na+ (aq) +...
10. When sodium chloride
dissolves in water, the ions dissociate: NaCl (s) = Na+
(aq) + Cl- (aq)
Write ionic equations, similar to the one above, that describe
how NaNO3 and NaCH3CO2 each
dissociate as they dissolve in water. Include heat as a reactant or
product in each equation.
Here is what I answered:
NaNO3 (s) = Na+ +
NO3- + heat
NaC2H3O2 + Heat =
Na+ +
C2H3O2-(ag)
Lab data table attached to determine where to place heat.
AGO no...
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...
Write the chemical formula for each compound described. calcium chloride (1 Ca ion, 2 Cl ions): sodium sulfide (2 Na ions, 1 S ion):
10. When sodium chloride
dissolves in water, the ions dissociate: NaCl (s) = Na+
(aq) + Cl- (aq)
Write ionic equations, similar to the one above, that describe
how NaNO3 and NaCH3CO2 each
dissociate as they dissolve in water. Include heat as a reactant or
product in each equation.
Here is what I answered:
NaNO3 (s) = Na+ +
NO3- + heat
NaC2H3O2 + Heat =
Na+ +
C2H3O2-(ag)
Lab data table attached to determine where to place heat.
AGO no...
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