08/28/23

I paid and scheduled a pharmacology session with Ruth, but no notice????
Hello, yesterday I scheduled a tutoring session with Ruth for pharmacology for today at 6 pm PST. However, I have not heard anything from the tutor about anything...?
Follows • 3
Expert Answers •1

08/24/23

what is the equilibrium constant for the following reaction
At a certain temperature, the equilibrium constant K for the following reaction is ×5.0810−9H2(g)+Cl2(g)  2HCl(g)Use this information to answer the following question. what is the equilibrium... more
Follows • 2
Expert Answers •1

08/24/23

Use this information to answer the following question. 
At a certain temperature, the equilibrium constant K for the following reaction is ×2.51x1012N2(g) + O2(g)  2NO(g)Use this information to answer the following question. Suppose a 44. L reaction... more
Follows • 2
Expert Answers •1

08/24/23

Write the pressure equilibrium constant expression for this reaction. 
Chlorine and water react to form hydrogen chloride and oxygen, like this:2Cl2(g)+2H2O(g)→4HCl(g)+O2(g)Write the pressure equilibrium constant expression for this reaction. 
Follows • 2
Expert Answers •1

08/24/23

Write the equilibrium constant expression for this reaction:
Write the equilibrium constant expression for this reaction:H2SO4(aq) → 2H+(aq)+SO2-4(aq)
Follows • 2
Expert Answers •1

08/24/23

Calculate the mass of ZnCl2 that was dissolved.
A certain liquid X has a normal freezing point of −6.30°C and a freezing point depression constant Kf = 1.95·°C·kgmol-1. A solution is prepared by dissolving some zinc chloride (ZnCl2) in 500.... more
Follows • 2
Expert Answers •1

08/24/23

Calculate the van't Hoff factor for potassium bromide in X.
When 263. g of alanine C3H7NO2 are dissolved in 800. g of a certain mystery liquid X, the freezing point of the solution is 8.0°C lower than the freezing point of pure X. On the other hand,... more
Follows • 2
Expert Answers •1

08/24/23

Calculate the mass of NaCl that was dissolved
A certain liquid X has a normal freezing point of 1.30°C and a freezing point depression constant Kf = 5 .16·°C·kgmol-1. A solution is prepared by dissolving some sodium chloride (NaCl)... more
Follows • 2
Expert Answers •1

08/24/23

Magnesium is the limiting reactant in this experiment. Calculate the theoretical yield of MgO for each trial using stoichiometry.

Mass of empty crucible with lid 26.689 g 26.687 g Length of ribbon cut 4 inches  2 inches  Mass of Mg metal, crucible, and lid 27.105 g 26.990 g Mass of MgO, crucible, and lid  27.367... more
Follows • 2
Expert Answers •1

08/23/23

pharm calculations

The usual pediatric dose of acyclovir is 20 mg/kg administered by infusion and repeated every 8 hours. What would be the single dose, in milligrams, for a child weighing 30 lb? Round your answer to... more
Follows • 3
Expert Answers •2

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
Follows • 2
Expert Answers •3

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
Follows • 2
Expert Answers •1

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
Follows • 2
Expert Answers •1

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)
Follows • 2
Expert Answers •1

08/12/23

Identify the solute with the highest van't Hoff factor.
BaF2O nonelectrolyteO LIBrCasonO AICIa
Follows • 2
Expert Answers •1

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
Follows • 2
Expert Answers •1

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.
Follows • 2
Expert Answers •1

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
Follows • 2
Expert Answers •1

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
Follows • 2
Expert Answers •1

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
Follows • 2
Expert Answers •1

08/09/23

Calculate the volume (L) of fluids
Prior to surgery Dalena is placed on a maintenance dose of IV fluids. (27ml/kilogram/day)Caccurate the volume (L) of fluids she should receive in 24 hours?Dalena weighs 54.55 kg
Follows • 2
Expert Answers •2

08/09/23

Calculate the volume (mL)
She is prescribed 0.15 mg/kg of morphine. The concentration on the bottle is 5mg/mL. Calculate the volume (mL) of morphine to be administered.
Follows • 2
Expert Answers •1

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
Follows • 2
Expert Answers •1

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
Follows • 2
Expert Answers •1

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
Follows • 2
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.