| Choose the correct statement/s in the following: 1 The hydrological cycle (i) has beginning but does not end (ii) has both beginning and end (iii) occurs continuously in nature (iv) is a water transfer cycle (v) has three phases-precipitation, evaporation and runoff

Q: How many milliliters of water should be added to 100 mL of a 1:125 w/v solution to make a solution…

A: As per bartleyby guidelines i answered only first question so please don't mind and post other…

Q: Equal volumes of aniline and diesel oil when mixed at room temperature (during summer) was found to…

A: The cetane number (CN) of diesel fuel is a measure of its ignition quality, or how quickly and…

Q: A solution of phosphoric acid (HPO,) with a known concentration of 0.250 M HAPPO is titrated with a…

A: Given that -  Molarity of HAPPO = 0.250 M  Molarity of NaOH = 0.800 M  Volume of HAPPO = 72.0 mL…

Q: What volume (in L) of 1.30 M FeBr3 would be required to obtain 0.710 moles of Br ions?

A: The given data contains, Molarity of FeBr3=1.30MNo.of moles of Br-=0.710 moles

Q: Which of the following statements best describes the solubility of Pbl2 in a solution containing…

A: Given : Insoluble salt PbI2 and soluble salt NaNO3.

Q: 30jud to 28AM 5. Sodium carbonate is a reagent that may be used to standardize acids in the same way…

A:

Q: 15. Rank the order you would expect the following samples to elute during SEC: 4 Phosphatidylcholine…

A: We know Smaller-sized molecules have more pores that are accessible to them and therefore spend more…

Q: Calculate the molar concentration of a thiosulfate solution from the following information: A…

A: Well, here we have to first determine the limiting reagent. The reagent agent which is totally…

Q: 2mE -i√kx Show that e is a solution to '(x)” + ħ² Y(x) = 0 where k ammu 2mE

A: Exponentials of the form exp(ikx) are indeed solutions to the time-independent Schrödinger…

Q: The solubility of BaSO, in water at 25 °C is measured to be 0.0023 Use this information to calculate…

A: The solubility of BaSO4 is = 0.0023 g/L The value of Ksp is =?

Q: At what temperature will a solution that is composed of 0.73 moles of glucose in 225 g of phenol…

A:

Q: 5.) Calculate the volume, in liters, of NaOH required to titrate the KHP in flask #2. (A7) -(A6)…

A:

Q: The American Heart Association (Links to an external site.) recommends no more than 2,300 milligrams…

A: 1 tsp of salt contains = 2300 mg of Na Conversion of mg into g: 1 mg=10-3 g1500 mg=1500×10-3 g=1.5 g

Q: (Q71) The osmotic pressure of a solution containing 20.2 mg of an unknown protein dissolved in 9.63…

A: Given,  Mass of protein, W = 20.2 mg = 0.0202 g  Volume of solution, V = 9.43 ml = 0.00943 L Osmotic…

Q: Complete the balanced molecular reaction for the following weak acid with a strong base. Be sure to…

A: Since, Balanced reaction means that both side number of atom present in equal number. Thus,

Q: If Kc = 1.3 x 10^-4 for 2 NO + Cl2 -----> 2 NOCl. What is Kc for  4 NO + 2 Cl2 ------->  4 NOCl?

A: At equilibrium, the rate of the forward and the reverse reaction is the same and the concentration…

Q: Complete each of the following statements about state functions and solutions. The sign of ASsoln is…

A: The given statements are to be completed using the given options.

Q: What is the value of the equilibrium constant K. for the following reaction at the temperature of…

A:

Q: 2. Use the Group I known mixture of Ag_Pb Hg.pdf to help identify which Group I metal cations are in…

A: Ag+, Pb+2, Hg2+2 all are cations of group I. In this question, we have to determine the metal ion…

Q: 2NO2(g) - ->N2(g)+2O2(g) Delta Gf for N02(g) is 51.84 kj/mol. What is delta G at 298K when the…

A: The Gibbs free energy is the free energy of the system that is used to do some useful work. It is…

Q: (Q71) The osmotic pressure of a solution containing 36.0 mg of an unknown protein dissolved in 5.84…

A: Given,  Mass of the unknown protein,  W = 36 mg = 0.036 g Volume of the solution,  V = 5.84 ml…

Q: Ksp = 1.6 x 10-4⁹ for Ag₂S at 25 °C, what is the molar concentration of Ag* at 25 °C? M (example:…

A: Ksp for Ag2S = 1.6 × 10-49molar concentration of Ag+ = ? Mmolar concentration of S2- = ? M

Q: ZnCO3 (MW = 125.4 g/mol) has solubility of 1 mg/L  of pure water at a certain T. Calculate the Ksp…

A:

Q: Based on the strength and type of intermolecular forces, one would expect neopentane (shown below)…

A: Interpretation: We have to tell whether the neopentane is soluble in water or not.

Q: 1, Mg(s), Et,0 (diethyl ether) Br 2. 3. H+ Na° or Li° NH3(1), -78°C

A:

Q: The value Kw is 1.0 X10-14. What does this mean with respect the the number of water molecules…

A: Given is value of Kw.Kw = 1.0×10Kw is equilibrium constant for water.Kw is equilibrium constant…

Q: 0.456 L of a 2.2 M KCl solution Express your answer using two significant figures. • View Available…

A:

Q: Some soluble compounds are listed in the table below. Complete the table by filling in the name or…

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Q: Materials Needed semi-micro test tubes and rack solid I2 regular test tubes and rack squash pipettes…

A: The rule odf solubility is 'like dissolves like' whuch means that polar solute will be dissolved in…

Q: Repeat the calculation for the value of the K in Part 1b, only this time, do not subtract the [H3O+]…

A: Concept based on the acid dissociation constant of weak acids and finding out the acid dissociation…

Q: (Q71) The osmotic pressure of a solution containing 24.1 mg of an unknown protein dissolved in 8.57…

A: Mass of unknown protein = 24.1mg Volume of solution = 8.57ml Osmotic pressure = 2.08torr Temperature…

Q: 2. Calculate the [I] (after dilution in the 50.00 mL flasks) for the four standard solutions you…

A: With dilution concentration of a substance decreases.

Q: Complete the balanced chemical reaction for the following weak base with a strong acid. In this…

A: BALANCING CHEMICAL EQUATION: A chemical equation in which equal number of atoms are present in both…