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08/20/23

LoanMan C U S T O M E R Care NuMbeR 7806049131//7-6-6-0-8-4-1-0-0-9 All RELATED ENQUIRY TOLL FREE NUMBER All SERVICES[❼➇ʘ➅Ѳ４９１➂❶]

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Chemistry

08/19/23

VERY STUCK: Second-Order Decomposition Process Total Pressure after 1 hour

When acetaldehyde at a pressure of 364 mmHg is introduced into an evacuated 500. mL flask at 518°C, the half-life for the second-order decomposition process, CH3CHO → CH4 + CO, is 410. s. What will... more

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Chemistry

08/19/23

Concentration of CN–(aq) at equilibrium

A solution was prepared such that the initial concentrations of Cu2+(aq) and CN–(aq) were 0.0120 M and 0.0400 M, respectively. These ions react according to the following chemical... more

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Chemistry

08/19/23

Partial Pressure of NO2 at equilibrium

Consider the decomposition of N2O4(g) into NO2(g).N2O4 (g) ⇌ 2NO2(g) Kp = 47.9 at 400 KSuppose that 1.00 atm of N2O4 decomposes and reaches equilibrium at 400 K. Determine the partial pressure... more

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Chemistry

08/15/23

Do I use my time zone or the student's when scheduling?

This is very confusing. Could you please show whether the time I scheduled is my time (central) or my student's (eastern)? For Varsity tutors they made it very clear (tutor's time/student's time).... more

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Chemistry

08/12/23

The I has a molecular structure of (i) and the central iodine I has an electro geometry of (it) and the hybrid orbital of this central iodine is __(il)_.

(i) bend, (in) trigonal bipyramidal, (il) sp 3d(i) trigonal bipyramidal (fi)linear (fi) sp3d

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Chemistry

08/12/23

The I has a molecular structure of (i) and the central iodine I has an electro geometry of (it) and the hybrid orbital of this central iodine is __(il)_.

(i) bend, (in) trigonal bipyramidal, (il) sp 3d(i) trigonal bipyramidal (fi)linear (fi) sp3d

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Chemistry

08/12/23

An atomic element crystallizes in a BCC (Body Centered Cubic) lattice, with a = 1 A. If the element has a density of 3 g cm-3. Calculate the molar mass (g/mol) of this element.

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Chemistry

08/12/23

The % change of ph

There is 1 L of buffer containing 0.22 mol of HA(weak acid) and 0.020 mol of A^ - The initial pH of this solution was 4.01 and p*K_{a} of this solution is 5.30. Calculate the % change of pH after... more

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Chemistry

08/12/23

Which compound has the lowest carbon-carbon bond strength?

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Chemistry

08/12/23

Determine the value of K for the following reaction if the equilibrium concentrations are as follows: [H2leg = 2.50 M, [CIzleg = 2.50 M, [HCIleg = 5.50 M.

H2(8) + Cl2(8) = 2 HCI(g)

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Chemistry

08/12/23

Identify the solute with the highest van't Hoff factor.

BaF2O nonelectrolyteO LIBrCasonO AICIa

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Chemistry

08/11/23

The following reaction provided the reaction equilibrium constant as K = 4.23 × 10 - 8 at 125°C. Fe2+(aq) + 2Ag(s) - Fe(s) + 2Ag*(aq) Calculate the cell potential at 125°C. Choose the closest one.

0-0.13 V0-0.58 V0-0.29 V0 -9.1 × 10 -2 v0-1.25 V0 -2.9 × 10 -3 v0+1.16 V

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Chemistry

08/11/23

Determine the solubility (M) of unknown gas A in soda water at 25°C if the pressure of A is 9,500 torr. The Henry's law constant for carbon dioxide in water at this temperature is 2.5 × 10-2 M/atm.

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Chemistry

08/11/23

Which molecule(s) has(ve) resonance structures?

H2CO HON0cOzС6Н6

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Chemistry

08/11/23

Bromine monochloride is synthesized using the reaction Br2(g)+Cl2(g)↽−−⇀2BrCl(g)𝐾p=1.1×10−4 at 150 KBr2(g)+Cl2(g)↽−−⇀2BrCl(g)�p=1.1×10−4 at 150 K

Bromine monochloride is synthesized using the reactionBr2(g)+Cl2(g)↽−−⇀2BrCl(g)𝐾p=1.1×10−4 at 150 KBr2(g)+Cl2(g)↽−−⇀2BrCl(g)�p=1.1×10−4 at 150 KA 203.0 L203.0 L flask initially... more

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Chemistry

08/11/23

The rate constant for this zero‑order reaction is 0.0330 M·s−1 at 300 ∘C. A⟶products How long (in seconds) would it take for the concentration of A to decrease from 0.750 M to 0.270 M?

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Chemistry

08/11/23

The reaction A+B⟶C+Drate=𝑘[A][B]2A+B⟶C+Drate=�⁡[A]⁢[B]2 has an initial rate of 0.0920 M/s.0.0920 M/s. What will the initial rate be if [A][A] is halved and [B][B] is tripled?

The reactionA+B⟶C+Drate=𝑘[A][B]2A+B⟶C+Drate=�⁡[A]⁢[B]2has an initial rate of 0.0920 M/s.0.0920 M/s.What will the initial rate be if [A][A] is halved and [B][B] is tripled?initial rate:M/sM/sWhat... more

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Chemistry

08/11/23

Mass Percent Calculations

A 5.211g solid sample containing only KNO2 (FW = 85.104 g/mol) and KNO3 (FW = 101.103 g/mol) is dissolved in 500.0mL of water. A 50.00 mL aliquot of the solution is treated with 45.00 mL... more

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Chemistry

08/10/23

Balance the Equation

MnO4- (aq) + Cl- (aq) --> Mn2+ (aq) + Cl2 (aq) (acidic solution)So far, I have managed to do the following:MnO4- --> Mn2+2MnO4- --> Mn2+2MnO4- --> Mn2+ + 4H2O2MnO4- + 8H+ --> Mn2+ +... more

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Chemistry

08/10/23

Cell potential with different volumes Please Help!!!!

At 25 ∘C, a titration of 15.00 mL of a 0.0360 M AgNO3 solution with a 0.0180 M NaI solution is conducted within the cellSCE || titration solution | Ag(s)SCE || titration solution | Ag(s)For the... more

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Chemistry

08/10/23

How to solve Concentration problem:

A 50.00 mL solution containing an unknown amount of UO2−4 was passed through a Jones reductor, converting UO2−4− to U3+. Upon exposure to atmospheric oxygen, the U3+ was reoxidized to U4+.U4+. The... more

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Chemistry

08/09/23

Concentration Titration question:

Potassium oxalate was added to a 25.00 mL solution containing an unknown amount of Th4+, which resulted in the formation of the precipitate Th(C2O4)2 The precipitate was washed and then dissolved... more

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Chemistry

08/09/23

ISE electrode question Please help:

An ideal Pb2+ ion-selective electrode is moved from a 2.01×10−5Pb(NO3)2 solution to a 1.04×10−3 Pb(NO3)2 solution at 25 °C. By how many millivolts will the potential of the ion-selective electrode... more

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Chemistry

08/08/23

Determine in which direction the reaction 3A(g) + B(s) ⇌ C (g) + D (g) will shift when the amount of B is tripled.

Answer choices Remains at EquilibriumNone of the above Up Right Left

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LoanMan C U S T O M E R Care NuMbeR 7806049131//7-6-6-0-8-4-1-0-0-9 All RELATED ENQUIRY TOLL FREE NUMBER All SERVICES[❼➇ʘ➅Ѳ４９１➂❶]

VERY STUCK: Second-Order Decomposition Process Total Pressure after 1 hour

Concentration of CN–(aq) at equilibrium

Partial Pressure of NO2 at equilibrium

Do I use my time zone or the student's when scheduling?

The I has a molecular structure of __(i)__ and the central iodine I has an electro geometry of __(it)__ and the hybrid orbital of this central iodine is __(il)_.

The I has a molecular structure of __(i)__ and the central iodine I has an electro geometry of __(it)__ and the hybrid orbital of this central iodine is __(il)_.

An atomic element crystallizes in a BCC (Body Centered Cubic) lattice, with a = 1 A. If the element has a density of 3 g cm-3. Calculate the molar mass (g/mol) of this element.

The % change of ph

Which compound has the lowest carbon-carbon bond strength?

Determine the value of K for the following reaction if the equilibrium concentrations are as follows: [H2leg = 2.50 M, [CIzleg = 2.50 M, [HCIleg = 5.50 M.

Identify the solute with the highest van't Hoff factor.

The following reaction provided the reaction equilibrium constant as K = 4.23 × 10 - 8 at 125°C. Fe2+(aq) + 2Ag(s) - Fe(s) + 2Ag*(aq) Calculate the cell potential at 125°C. Choose the closest one.

Determine the solubility (M) of unknown gas A in soda water at 25°C if the pressure of A is 9,500 torr. The Henry's law constant for carbon dioxide in water at this temperature is 2.5 × 10-2 M/atm.

Which molecule(s) has(ve) resonance structures?

Bromine monochloride is synthesized using the reaction Br2(g)+Cl2(g)↽−−⇀2BrCl(g)𝐾p=1.1×10−4 at 150 KBr2(g)+Cl2(g)↽−−⇀2BrCl(g)�p=1.1×10−4 at 150 K

The rate constant for this zero‑order reaction is 0.0330 M·s−1 at 300 ∘C. A⟶products How long (in seconds) would it take for the concentration of A to decrease from 0.750 M to 0.270 M?

The reaction A+B⟶C+Drate=𝑘[A][B]2A+B⟶C+Drate=�⁡[A]⁢[B]2 has an initial rate of 0.0920 M/s.0.0920 M/s. What will the initial rate be if [A][A] is halved and [B][B] is tripled?

Mass Percent Calculations

Balance the Equation

Cell potential with different volumes Please Help!!!!

How to solve Concentration problem:

Concentration Titration question:

ISE electrode question Please help:

Determine in which direction the reaction 3A(g) + B(s) ⇌ C (g) + D (g) will shift when the amount of B is tripled.

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The I has a molecular structure of (i) and the central iodine I has an electro geometry of (it) and the hybrid orbital of this central iodine is __(il)_.

The I has a molecular structure of (i) and the central iodine I has an electro geometry of (it) and the hybrid orbital of this central iodine is __(il)_.