Q: Calculate the water percent of hydrate CaCl2 H2O? O 14.0% O 37.5% O 85.2%
A:
Q: Which of the following should have the largest Henry's Law constant (KH) in water? CO2 SO2 CH3CH3…
A: where, P is pressure and S is solubility of the gas. Thus, if P is same for different gases, the…
Q: Which of the following should have the largest Henry's law constant (kH) in water? CO2…
A: The given molecules are CO2, HCl, CH4, Ar, Xe.
Q: 6. The molar conductivity of Mg(NO3), is 2.488 x 10-2 S m? mol-1. If the molar conductivity of Mg2+…
A:
Q: Aluminum Arsenide (AlAs) has a lattice constant a=7 A°, Answer the following: Calculate the atomic…
A: Aluminium Arsenide (AlAs) has crystal structure similar to Zinc Blende.
Q: (b) (i) Based on the data given in TABLE 1, construct an energy cycle diagram for dissolution of…
A: Dissolution of LiCl = (Dissolution of Li+ + Dissolution of Cl- ion)- Lattice Energy Dissolution of…
Q: Which of the following should have the largest Henry's law constant (kH) in water? Xe CH3CH3 CO2…
A: The Henry’s law constant increases as the solubility of the given gas decreases.
Q: Which of the following is a divalent anion? (Tip: divalent means it has gained or lost two…
A: The anion which gained two electrons to attain the state of charge of -2 is known as divalent anion.
Q: formula 2.) Compound X is 40.92% carbon and 4.58% hydrogen with oxygen comprising the balance. If…
A: Since you have posted multiple questions, we are entitled to answer the first only.
Q: Which has the lowest Vant Hoff’s factor among the following substances? LiNO3 B. Ca3(PO4)2…
A: Van't Hoff’s factor is defined as the total number of species present in the solution when 1…
Q: At 25.0 °C the Henry's Law constant for nitrogen trifluoride (NF) gas in water is 7.9 x 10 "M/atm.…
A: The correct answer is given below
Q: At 25.0 °C the Henry's Law constant for phosphine (PH,) gas in water is 8.1 × 10 °M/atm. Calculate…
A: Given that : Henry's Law constant (KH) = 8.1 x 10-3 M/atm Volume of water (V)= 1425 mL = 1.425 L…
Q: 5- To know the number of neighboring water molecules linked by H-bond to a molecule, and to describe…
A:
Q: 1. What is the function of carbon filter in water treatment?
A: According to guidelines we are supposed to solve only the first question. Please post other…
Q: Which has the smaller ΔH(hydr) in each pair of (a) Br⁻ or I⁻(b) Sc³⁺ or Ca²⁺(c) Br⁻ or…
A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…
Q: Which of the following ionic compounds will be the least soluble in water? PBF2, Ksp = 3.3 x 10 8…
A: The equilibrium between the soluble ions and insoluble salt can be described by the solubility…
Q: How does the movement of marble differ in water and in oi
A: This can explained on basis of viscosity which is a characteristic property of fluids. Viscosity is…
Q: 2 Miss Todd is enjoying a glass of sweetened ice tea because the school year is ALMOST OVER... What…
A: A solvent is the substance in which the solute has been dissolved. Solvent and solute makes a…
Q: Which is the least soluble, calcium phosphate, (Ca3(PO4)2) (Ksp = 1.0 x10 29) or ferric phosphate,…
A: Which is least soluble calcium phosphate or Ferric phosphate has to be given.
Q: Use the equation that follows for parts (a) and (b) below. Molecular masses are under each…
A: The given reaction is: Al2O3(s)+6NaOH(l)+6HF(g)→2Na3AlF6(s)+6H2O(g) ∆H=-345 kJ The…
Q: 7. At 25.0 °C, the Henry's Law constant for carbon dioxide (CO2) gas in water is 0.031 M/atm.…
A: (7)
Q: -4 At 25.0 °C the Henry's Law constant for sulfur hexafluoride (SF) gas in water is 2.4 × 10 "M/atm.…
A:
Q: Use the equation that follows for parts (a) and (b) below. Molecular masses are under each…
A: The ideal law is sometimes considered as the combination of Boyle’s law, Charles’s law and…
Q: I don't understand this question.
A: The expression of the henry’s law can be described as the mass of the gas dissolved by the liquid…
Q: At 25.0 °C the Henry's Law constant for argon (Ar) gas in water is 1.4 x 10 °M/atm. Calculate the…
A: Consider the given information is as follows; Henry's constant for argon in water k=1.4×10-3…
Q: What is the concentration (in mol/L) of dissolved nitrogen N2 in water in Boone at 22.1°C and…
A: A numerical problem based on Henry's law, which is to be accomplished.
Q: Nitrous oxide (N2O) is sometimes uses for anesthesia. Inhaled nitrous oxide dissolves in the blood…
A: The pressure of nitrous gas administered is 745 torr. The Henry’s law constant for nitrous oxide in…
Q: From the following data, calculate the heat of solution for KBr. LicI LiBr KCI KBr Lattice…
A: Answer: Heat of solution of KBr will be ∆Hsolution=∆Hdissolution+Lattic energy∆Hsolution-lattice…
Q: om the following data, calculate the heat of solution for KBr. LICI LiBr KCI KBr Lattice…
A:
Q: 3. Consider the following chemical reactions: KCIO3 (s) -------> KCI(s) + O2(g) NANO3(s) NaNO2(s) +…
A: Mass of mixture of potassium chlorate and sodium nitrate = 5.00 gm Mass of residuals KCl + NaNO2 =…
Q: Calculate the mass of oxygen (in mg) dissolved in a 2.50 L bucket of water exposed to a pressure of…
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Q: A pharmacist adds distilled water to 4.00 g of a powdered drug. The final volume of the solution is…
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Q: A Beer's law plot for K₂Cr₂O7 was experimentally obtained. Which graph represents a correct Beer's…
A: The Beer’s law states that the absorbance of a solution (A) is directly proportional to the…
Q: P5B.7 The molar mass of a protein was determined by dissolving it in water, and measuring the…
A: The relationship between the osmotic pressure and concentration of solute for a non-electrolyte…
Q: • Part A Calculate the mass of O, that is dissolved in the water inside a 190 L home aquarium at 302…
A: Given : volume = 190 L Temperature = 302 K Pressure = 1.01 bar Henry's constant = 1.22 × 10-3 mol…
Q: How does Sb3(P O3)5(s) break up in solution? Write subscripts and superscripts as normal numbers and…
A: Interpretation: The ions of Sb3(PO3)5 compound in the solution is to be determined.
Q: 3. Lauryl alcohol is obtained from coconut oil and is used to make detergents. A solution of 5.00g…
A: Given: mass of lauryl alcohol= 5.00g mass of benzene = 100 g = 0.100 Kg Boiling point of benzene =…
Q: A water sample is to be treated using alum as Al2(SO4)3●14.2 H2O. The water has the following…
A: Water is neutral by nature, and have to be pure by its composition. But there may some external…
Q: Calculate the 143Nd/144Nd ratio of a basalt after it has interacted with seawater, given the…
A: The solution of the given question is
Q: A rock salt (NaCl), ice, and water mixture is used to cool milk and cream to make homemade ice…
A: Given data contains, Freezing point of mixture is 10.0°C.
Q: Mars has a very thin atmosphere with a pressure of 610 Pa, less than 1% of the ressure found on…
A: Henry’s law is a gas law which states that at the amount of gas that is dissolved in a liquid is…
Q: At 25.0 °C the Henry's Law constant for nitrogen trifluoride (NF3) gas in water is 7.9 × 10 *M/atm.…
A:
Q: Arrange the following from the lowest melting point (1) to the highes melting point (4). HF [ Choose…
A: The melting point depends on the inter molecular forces between the molecules. Higher the inter…
Q: A 10.60 g organic acid (1.45% dissociated) is dissolved in 2.5 kg water and freezes at -0.043°C. 27.…
A:
Q: 7. Rank the following compounds from highest to lowest boiling point. I. KNO, II. H₂O III. N₂O IV.…
A: 7) here option c is correct NaCl is ionic compound so it has highest melting point KNO3 is also…
Q: At 25.0 °C the Henry's Law constant for methane (CH.) gas in water is 1.4 × 10 °M/atm. Calculate the…
A:
Q: Which has the larger ΔH(hydr) in each pair of .(a) Na⁺ or Cs⁺(b) Sr²⁺ or Rb⁺(c) Na⁺ or Cl⁻(d)…
A: ΔH(hydration) α Charge of ionSize of ion (a) Na⁺ > Cs⁺ (b) Sr²⁺ > Rb⁺ (c) Na⁺ > Cl⁻…
Q: 4. What is the gas phase concentration of toluene if the concentration in water is 75 mg/L at 20°C?…
A: Henry's law gives relationship between partial pressure and solubility.
Q: Calculate the mass of oxygen (in mg) dissolved in a 5.00 L bucket of water exposed to a pressure of…
A: Given : Volume = 5 L Pressure = 1.13 atm Mole fraction of gas in air = 0.21 Henry's constant =…
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- a. If 55mg of CaC2O4 is placed in a 250mL pack of H2O nanopure at 25 celcius, how much (in mg) of CaC2O4 remains undesolved? b. If 100mg of CaC2O4 is placed in a 500mL pack of HCl at 25 celcius, how much (in mg) of CaC2O4 remains undesolved? FM: 128g/mol Pksp= 7.90A certain antihistamine is often prescribed for allergies. Atipical dose for 100 pound person is 22mg every six hours. Complete parts a) and b) below. a) following this dosage, how many 12.3 mg chewable tablets would be taken in a week? b) this antihistamine also comes in a liquorfirm with a concentration of 12.3 mg/5ml. Following the prescribed dosage, how much liquid antihistamine should a 100 pound person take in a week. a) A 100 pound person could tske ___ tablets in a week. b) a 100 pound person could take ___ ml in a week.What mass in grams of Na2S2O3 is needed to dissolve 6.3 g of AgBr in a 1.0 L solution if Ksp for AgBr is 3.3×10−13 and Kf for [Ag(S2O3)2]3− is 4.7×1013? Report your answer with the correct number of significant figures.
- Pheromones are compounds secreted by females of manyinsect species to attract mates. Typically, 1.0 × 10−8gof a pheromone is sufficient to reach all targeted maleswithin a radius of 0.50 mi. Calculate the density of thepheromone (in grams per liter) in a cylindrical air spacehaving a radius of 0.50 mi and a height of 40 ft (volumeof a cylinder of radius r and height h is πr2h).Stock iron(II) solution (200Ug mL-1 Fe) ferrous ammonium sulfate hexahydrate mass= 0.1437g, transfer it to a 100 ml beaker. add 15 ml approx of water and 15m1 'approx of dilute sulphuric acid (2M H2SO.). then transfer FeII to 100 ml flask makeup to the mark with water. calculate the moles of ferrous ammonium sulfate hexahydrate solution in unit ug/mL.what is the cost of 8 oz of cannabis oil if 1ml value $30?
- The concentration of mercury in a polluted lakeis 4.5 ppb (part per billion), and the density of water is 1.0 g/mL. (a) Calculatethe concentration of mercury: (i)in g/L (microgram per liter), and (ii) in mol/L.(b)If the lake has surface area of 1.3km2and an average depth of 16m, how many kilograms of mercury are present in the lake?Given the following data forMass of test tube, beaker and cyclohexane = 100.17 gMass of test tube and beaker = 84.07 gFreezing point of cyclohexane = 6.59 oCMass of weighing paper + naphthalene =1.080 gMass of weighing paper = 0.928 gFreezing point solution = 5.11oCKf = 20.8oC/mDetermine the followinga. mass of cyclohexane in g (2 decimal places); _____b. mass of naphthalene in g (4 decimal places); _____c. freezing point depression (2 decimal places); _____d. molality of solution (3 significant figures); _____e. moles of naphthalene (3 significant figures); _____f. molar mass of naphthalene, experimentally (3 significant figures); _____g. % error if theoretical molar mass of naphthalene is 128.17 g/ mole, USE ABSOLUTE VALUE (3 significant figure); ____Beaker 0.00200 M Fe(NO3)3, mL 0.00200 M NaSCN, mL total volume, mL 1 3.000 2.000 10.00 2 3.000 3.000 10.00 3 3.000 4.000 10.00 4 3.000 5.000 10.00 5 (blank) 3.000 0.000 10.00 In solutions 1-4 you are adding 3.00ml of 0.00200M Fe3+ to some SCN- solution and dilutiing to a final volume of 10.00ml. What is the new concentration of the Fe3+ due to dilution? Your answer should have 3 sig figs.
- A physician has ordered 0.50 mg of atropine, intramuscularly. If atropine were available as 0.10 mg/mL of solution, how many milliliters would you need to give?Express the volume in milliliters to two significant figures.What is the boiling point of the automobile radiator fluid prepared by mixing 1.11 L of ethylene glycol (HOCH2CH2OH, density = 1.114 g/mL) with 1.06 L of water (density = 1.000 g/mL)?The Kb of water is 0.520°C/m.1. How many milliliters of concentrated hydrochloric acid, 38% (wt/wt), specific gravity 1.19, are requiredto prepare 1 L of a 0.100 M solution? Assume density and specific gravity are equal within threesignificant figures. (H-1.008 amu, Cl-35.45 amu) 2. A 0.456-g sample of an ore is analyzed for chromium and found to contain 0.560 mg Cr2O3.Express the concentration of Cr2O3 in the sample as %w/w.