Radioactive decay is a classic first order process. The half-life of 14C is 5,730 yr's. What is the rate constant, k, for this first order reaction?

Q: Solid iron is about 8 times denser than liquid water. If you have a volume of 1000 cm 3 of water and...

A: Given that: The volume of water is 1000 cm3. The volume of iron is 1000 cm3. Iron is 8 times denser...

Q: es of 25 A diameter, find: a) number of surface atoms Ns. b) number of volume atoms Nv. (or bulk ato...

A: Given as, Diameter=2.5nm,Radius=1.25nm,volume=43 πr3 =43 ×3.14×1.253 =8.18nm3

Q: Consider the following reaction at 25°C with the ΔG°' = +1800 J/mol for the forward reaction. The mo...

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Q: CHO CHO a. (CH3),CC(CH3)2CH,CHO b. С. С

A: Naming of a compound is done according to rules given by iupac

Q: ОН HỌ O но HO- ОН

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Q: Which type of isomerism exists between the pair of monosaccharides below? Diastereomers     Non-i...

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Q: The force that holds the two atoms together is the attraction of the two nuclei attraction of an ato...

A: Choice 4th is correct.

Q: Choose the correct numerical value for the molarity from the response list for a solution prepared f...

A: Given data: The moles of solute is n=0.25 mol. The volume of the solution is V=2500 mL. To calcula...

Q: Surfactants X (HLB = 10.0) and Y (HLB = 5.5) are %3D mixed together to emulsify a mixture of 30 % pa...

A: HLB (Hydrophilic-Lipophilic Balance) of surfactant X = 10.0 HLB of surfactant Y = 5.5 HLB of paraffi...

Q: What is the wavelength (in nm) of a photon if the energy is 7.27 x 10- 19 J? (h = 6.626 x 10 34 J• s...

A: Given :- energy of a photon = 7.27 × 10-19 J  h = 6.626 × 10-34 J.s  To calculate :-  wavelength of ...

Q: Given that an aqueous solution of ethylene glycol in water has a vapor pressure lowering of 16.0 mba...

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Q: Propose a synthesis for the following compound from benzene. OCH3

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Q: Under certain conditions the rate of this reaction is zero order in ammonia with a rate constant of ...

A: For reaction ., 2NH3 --------> N2 + 3H2  Rate constant , K = 0.0096 M/s Reaction follow zero orde...

Q: The structure shown below is missing formal charges, but all electrons are shown. What is the formal...

A: The structure given is,  

Q: The constant equilibrium (Kp) of a certain reaction between gases  was found to be  34.67 at 29 oK ....

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Q: What is the enthalpy of the reaction P406 (s) + 202(g)→P4010(s), given a) P4(s) + 302(g)→P406 AH = -...

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Q: give the iupac name for each Alkane compound

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Q: The standard electrode potentials for the reduction of N2 to N2H4 and of O2 to H2O at 298 K are –1.1...

A: (i)    Cell Reactions             Anode: N2H4 + 4OH- →  N2  + 4H2O + 4e-                            ...

Q: Describe the preparation and storage of each reagents. d. 2 L of 0.1 M NaOH e. 1.5 L of 0.04 M KMn...

A: It is important to determine the number of moles of given compounds in order to solve this problem. ...

Q: what is the purpose of saturated sodium bicarbonate solution does during the purification of synthes...

A: We have to tell the purpose of saturated sodium bicarbonate solution does during the purification of...

Q: What is the concentration in ppm of selenium if 0.020 g is found in 5.0 × 103 kg of soil?

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Q: Consider the reaction H2(g) + Cl2(g)   ⇌ 2 HCl(g), which is exothermic as written. What would be the...

A: Given :-  H2(g) + Cl2(g)   ⇌ 2 HCl(g)  Reaction is exothermic  To determine :-  effect on the equili...

Q: 3. You added 1 kg of ethylene glycol (C2H602) antifreeze to 4450g of H20 in your car's radiator. Wha...

A: Given: Mass of water = 4450 g = 4.450 Kg                                                          (S...

Q: what is the purpose of adding NaOH in xanthoproteic test

A: The role of NaOH in xanthoproteic test is given below

Q: Salt mixture: 2.64 g Mass of filter paper: 1.223 g Mass of filter paper and CaC2O4⋅H2O: 1.997 g M...

A: Mass percent is one of the ways to represent concentration of a solution or a mixture. Mass percent ...

Q: +3 CO(g) 2 Fe(s) + 3 CO2(g) 3 02(g) → 2 Fe203(s) AH = -1648 kJ → 2 CO(g) + 02(g) AH= +565.4 kJ

A: (1) 4Fe + 3O2----> 2Fe2O3, □H = -1648 kJ (2) 2CO2 ----> 2CO + O2, □H = +565.4 kJ (3) Fe2O3 + 3...

Q: A chemical engineer is studying the following reaction: 2 H,S(g)+302(g) → 2 SO,(g)+2H,0(9) At the te...

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Q: 15-N-0460

A: In this question we have to explain the substance and also yeh molecular formula of this spectrum.

Q: Chemistry 3. Draw the structure of the product that is formed when we mix 3-methyl-2-pentene with Br...

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Q: The graph below shows two titration curves: 40.0 ml of two different acids are titrated with 0.100 M...

A: The pH based acid-base titration curve is a curve plotted between volume of base and pH of solution ...

Q: Nitrogen and water react to form nitrogen monoxide and hydrogen, like this: N2(g) + 2 H2O(g) → 2 NO(...

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Q: 4 For Ag atoms forming a nanoparticles of 25 A diameter, find: a) number of surface atoms Ns. b) num...

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Q: Calculate the rate of appearance of CO2 when [NO2] = [CO] = 0.475 M.

A: Rate of reaction is the rate of disappearance of reactants or appearance of products. In a multistep...

Q: Ammonia and oxygen react to form nitrogen and water, like this: 4NH, (g)+30,(g) 2N,(g)+6H,O(g) do Su...

A: According to Le chatelier principle, equilibrium will shift in shift in such a way that change is co...

Q: a) Draw the resonating structures of the following compounds.: CI NEN NH2 A B

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Q: A buffer solution NaCsH3O3 (sodiu is present in the

A: Molarity of HC5H3O3 = 0.250 Molarity of NaC5H3O3 = 30.0ml Volume of HC5H3O3 = 0.220M Volume of NaC5H...

Q: Rank the following in order of least-to-most acidic: A В C Br HO. HO. HO, но.

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Q: Suppose a 500. mL flask is filled with 0.90 mol of NO, and 1.8 mol of NO,. The following reaction be...

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Q: The rate of a certain reaction is given by the following rate law: ate-k[N[H° Use this information t...

A: Rate law, rate = k[A]p[B]q Where, k = rate constant [A] = concentration of A [B] = concentration of ...

Q: OH OH Na2Cr207 H3O* Select to Draw

A: Oxidising agent can be defined as a substance that oxidises other species and itself get reduced in ...

Q: Determine the pH c

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Q: When an alcohol is oxidised what is the functional group of the product?

A: Alcohol can be defined as the functional group in which hydroxyl (OH) group is attached to the carbo...

Q: 3. At 900 °C, titanium tetrachloride vapor reacts with molten magnesium metal to form solid titanium...

A: Answer 3 :  Titanium tetrachloride react with magnesium & form magnesium metal and magnesium chl...

Q: How do I solve?

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Q: [References] te net lonic equations for the following molecular equations. se the lowest possible co...

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Q: 1. Select the incorrect statement. q is the symbol for heat q = mC;AT The unit for g is Joules q is ...

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Q: State whether the following reactions are favorable or unfavorable. Explain the reason behind your a...

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Q: Show the mechanism and explain how the Ala-Val-Ile peptide bond is formed.

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Q: [CO2] = 0.75 M. Which statement is true regarding the system as it establishes equilibrium? C (s) +...

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Q: Suppose a 250. mL flask is filled with 0.10 mol of Cl,, 0.70 mol of CHCI, and 1.4 mol of HCI. The fo...

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