Absorbance Transsmission 0.730 17.8 0.641 22.8 0.400 31.8 0.340 45.2 0.211 62.0 0.076 85.4 0.020 04.2

Q: he activation energy, Ea, for a particular action is 13.6 kJ/mol. If the rate constant at 54 °C is 2...

A: Activation energy = 13.6kJ/mol

Q: The cesium-137 has a half life of 30 years after 90 years about 10g.remains. the original mass of ce...

A:

Q: Unlike most calculations in chemistry, colligative properties uses molality (m) NOT molarity (M). Ho...

A:

Q: At 150°C, Kp = 1.2x10- for the reaction 12(g) + Br2(g) 5 2Brl(g). A rigid cylinder at that temperatu...

A: Partial pressure of each component is given. Then Reaction quotient Qp have to measured......

Q: 5. Give the balanced molecular equation for the reaction of sodium chromate (Na2CrO4) solution with ...

A:   • We need to write the balanced molecular equation for the reaction of sodium chromate with alumin...

Q: What does the specific heat of a substance tell you when you compare it to the specific heat of anot...

A: In the given question we need to tell how would we compare substances on the basis of their specific...

Q: If NaCl is added to water, the vapor pressure of the resulting solution is reduced relative to that ...

A: There is an increase in the boiling point of solution while a decrease in the freezing point of solu...

Q: Report the photon energy (in kJ/mol) for the single Li emission and the two Na emission wavelengths....

A:  i) To Calculate photon energy (in kJ/mol) for the single Li emission and the two Na emission wavele...

Q: D: Define and draw the Unit Cell and give an example.

A: Unit cell can be defined as the smallest repeating unit in space lattice which, when repeated over a...

Q: For the reaction: CH3CH3(g) + 2H20(g) +Ni(s) ⇌ 2CO(g) + 5H2(g) +Ni(s) ∆H= +300 kJ/mol Write the e...

A: Given reaction is : CH3CH3 (g) + 2H2O (g) + Ni (s) ⇌ 2CO (g) + 5H2 (g) + Ni (s) , ∆H= +300 kJ/mole  ...

Q: Obtain the moles of substance in the following. a. 2.57 g C mol b. 8.88 g Cl2 mol с. 74 g CH10 mol d...

A: Calculate moles of each substance---

Q: N. A. C. D. 4000 2100 Waenumers dcm 60 50 30 20 10 4000 3500 3000 2500 2000 1500 1000 500 Wavenumber...

A:

Q: The following reaction is at equilibrium at a pressure of 1 atm, in a closed container: C2H2(g) + 2H...

A: Choice 2nd is correct i.e toward products.

Q: hy do we have to measure the boiling point of distilled water during this experiment?

A: Given : We have to explain why we measure boiling point of distilled water.

Q: Please provide the balanced equation in the space provided, making sure to note each reactant and pr...

A: The combustion is a reaction which takes place in the presence of oxygen. The hydrocarbons (compound...

Q: Calculate the mass defect and binding energy for 13C atom.

A:

Q: The equation for the dissolving of lead (II) chloride (including heat) is: PBCI2(s) + heat Pb2+ (a q...

A:

Q: A sample has has a volume is 265 cm^3 at a temperature of 920 Torr and 37 Celsius. Find the volume o...

A: Given that, V1= 265 cm3  P1= 920 torr  T1=37°C = (37+273)K = 310 K  V2= ? P2= 1 atm = 760 torr (STP)...

Q: What mass in grams are in 5.32 x 1022 molecules of CO2 ? STARTING AMOUNT ADD FACTOR ANSWER RESET *( ...

A:

Q: What is the mass of one atom of I? 3.443 x 10 24g 6.641 x 10 23 g 2.107 x 10-22 g 4.745 x 10-22 g

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Q: A gas at 250 K and 1520 kPa has a molar volume 12% smaller than that calculated from the perfect gas...

A: For this question , we would first Calculate the molar volume from ideal gas law using the given val...

Q: A +B → C Initial Rate of [A] [mol/L] [B] [mol/L] Expt. Formation of C 0.10 0.10 3.0 x 10-4 M-min- 0....

A: The order of reaction can be determined by compairing the rate of expression of any two experiments.

Q: 7. Calculate mass defect and binding energy for 14C atom.

A: Since you have asked multiple question, we will solve the first question for you. If you want any sp...

Q: 60Co is originally produced from 58Fe, which is first converted to 59Fe. Which particle did the 58Fe...

A:

Q: Referring to Question 2 in the Feedback Form, calculate the rate constant (k) for the reaction of Ye...

A: We would use the equation which is used to plot ln(abs) vs time plot.  

Q: how does DCM and water extract caffeine from coffee and why would we have a low yield vs expected?

A: Caffeine is more soluble in DCM than water. 

Q: 10.11 Write equations for the following processes, noting appropriate conditions: (a) electrolysis o...

A: As per the rules only the first three sub-parts of a question can be answered. Please repost the oth...

Q: hen 20.5 g of Mg reacts with an excess of FeCl3, 25.9 g of Fe is produced. What is the percent yield...

A: Given : We have to calculate the percentage yield of the reaction.

Q: A 9.37 g sample of an unknown element was determined to be 0.0714 moles. What is the identity of the...

A:

Q: In an experiment, 5.25 g of H2 was added to react with 12.5 g of O2. This produced 13.5 g of H2O. Wh...

A: Given that, Mass of H2 = 5.25 g,  Molar mass = 2 g mol-1 Mass of O2 = 12.5 g, Molar mass = 32 g mol-...

Q: Draw the major product of this reaction. Ignore inorganic byproducts. CN 1. LIAIH4 (excess) 2. H3O* ...

A:

Q: Calculate the binding energy of the nucleus of one mole of B-11. The nuclear mass of B-11 is 11.0065...

A: Given: Isotope B-11 i.e. 115B.  

Q: 2p, 2p. 2py 2p. 2p, 2py 2р, 2р. 2р, 2р, 2р, 2р, 25 2s 2s 2s |Use MO theory to determine the bond ord...

A: Determine bond order of the given species ---

Q: Write the nuclear equation for the nuclear reaction in which a nuclei undergoes B decay and changes ...

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: + 250 ) -->16 Co2() 18 a den Sity of 0-70 ow mang molecules of oxalgen gas f liquid Octome has a

A: Given : We have to calculate the molecules of oxygen.

Q: How many moles of H2(g) are generated by the complete reaction of 0.145g of Mg(s) with excess HCl(aq...

A: The balanced reaction is ., Mg (s) + 2HCl (aq) ----> MgCl2 (s) + H2 (g)  

Q: The following reaction has an equilibrium constant, Kc, of 2.20 x 10-2 at a particular temperature: ...

A: The equilibrium reaction given is, => 2 ICl (g) → Cl2 (g) + I2 (g)                               ...

Q: 3-500 ml of a 0.2 M sodium phosphate monobasic solution is mixed with 150 ml of a 2 M sod phosphate ...

A: Given data :  sodium phosphate monobasic = NaH2PO4 Sodium phosphate dibasic = Na2HPO4 Total volume o...

Q: Balance the following chemical reaction and determine the coefficients of H2O and AIK(OH)4, respecti...

A: Balanced chemical equation is the equation in which number of atoms on left hand side and right hand...

Q: Assessment 1 Direction: Analyze the following situations below. Then, answer the following questions...

A: 1-Ana has skin problem of dry skin and acne from her high school.The ingredients present for her ski...

Q: What is the molar solubility of Ag2SO4 in a solution that is 0.0522 M AgNO3? Ksp= 1.40x10^-5

A:

Q: A 10-ml water sample containing oniy C* and H" has a pH value of 3. The sample was passed through a ...

A:

Q: Part A The activation energy of a certain reaction is 38.9 kJ/mol . At 20 ∘C , the rate constant is...

A:

Q: 9. A gas obeys the van der Waals equation with P, = 3.040 x10 Pa and T. 473 K. Calculate the value o...

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Q: An 18-0-18 + 3% iron (Fe) fertilizer must be applied to supply 2.0 pound of N per 1,000 square feet ...

A:

Q: In a second order reaction,  2 NO 2(g)  --> 2 NO  (g) + O 2(g)     Initial concentration of NO 2 is ...

A: Given data :  1. Initial concentration of NO2 = 0.7650 M  2. Rate constant : 0.5411 M-1s-1  3. Time ...

Q: You mix gylcerol and equal amounts of palmitic and linolenic acids, and perform an esterification re...

A: In an esterification reaction, organic acid reacts with alcohol to form ester and water.  RCOOH+R'OH...

Q: The chemical formula for potassium bromide is KBr. A chemist determined by measurements that 0.0250 ...

A:

Q: HW Soz 2 ADD Remeve Remghe

A: According to Li Chatelier principle when product or reactant is removed equilibrium change its direc...

Q: Calculate the solubility at 25 °C of BaCro, in pure water and in a 0.0140M BaCl, solution. You'll fi...

A: