Q: Q6 Two hundred Ibm of carbon dioxide is to be charged into a small metal cylinder at 25 °C at a pres...
A: Given data, Mass of CO2 (M)= 200 lbm = 90.7184 kg [1 lbm(pound) = 0.453592 kg]...
Q: The [OH'] x [H*] in neutral water at 25°C is 10-14 True False
A:
Q: 17
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Q: If a 0.8M solution of weak acid, HA, has a pH = 2.8, calculate the Ka of the acid. Your answer shoul...
A: HA ⇌ H+ + A- At initial c 0 0at final c1-α ...
Q: A Pasig river water sample was analyzed by the students and found to have 25.2 milligrams of lead in...
A: Concentration of any solution can be calculated in terms of ppm. ppm stands for parts per million wh...
Q: uèstion 9 What is the maximum solubility of SrF2 (Ksp= 2.5 x 10) in a 0.08 M Naf solution? 4.08e-2 W...
A: The solubility constant of SrF2, Ksp = 2.5 × 10-9 SrF2 aq→Sr2+ aq+2F-aqKsp=s×4s22.5 × 10-9=4s3s = 0....
Q: Hcl and NH3 gases are sent simultaneously from the opposite ends of the 40 cm diffusion pipe. After ...
A: Length of diffusion pipe = 40 cm Molar mass HCl=36.5 g/mol Molar mass NH3=17 g/mol
Q: 다음 반응을 완결하시오.
A: The NaOC2H5 and KOCCH33 will be act as base that will abstract an acidic proton from the given react...
Q: For the equilibrium: 2F2 (g) + O2 (g) + 600 kJ 20F2 (g) where ke= 350 Which of the following would r...
A: Given: Reaction is given To find: Condition which will result in decrease in temperature Solution: G...
Q: What is the conclusion for chalk chromatogaphy experiment?
A: Chromatography: It is an analytical technique used for separation, purification and identification o...
Q: If a 0.8M solution of weak acid, HA, has a pH = 2.8, calculate the Ka of the acid. answer should f...
A: The pH of a solution denotes the -ve logarithm of hydronium ion concentration in moles per liter. Th...
Q: Convert the following equations into word equations that includes the states of matter. Then, BALANC...
A:
Q: Draw the shape of the PF5 molecule and answer the following questions: Does the molecule have σh mi...
A: Shape of PF5 is Trigonal bipyramidal. Other details are explained in handwritten solution.
Q: What is the Molar concentration of 5000-1 ppm of Na2SO4 solution (At.w. Na=23, S=32, .O-16)
A: In this question we have to know the molarity from ppm by determining the molar mass of a substance....
Q: In chalk chromatogaphy experiment, which solvent separated the components of the pen successfully?
A: Chromatography is the most versatile and sensitive method used today for the purification and identi...
Q: A balloon with a volume of 1.41 L at a temperature of 300.0 K is heated to 350.0 What is the new vol...
A: According to Charles's law, the volume of the gas increases when the temperature of the gas increase...
Q: A solution is prepared by mixing 5 ml of ethyl alcohol in 100 ml of water. What is the volume percen...
A: Given : Volume of solute = 5 ml Volume of solution = 100 ml Total volume = (5 + 100) ml = 105 ml
Q: Pure 2-Indanol has a literature m.p. of 68-71°C. Which of the following m.p. data would not be an ac...
A: Melting point : The temperature or the the range of temperature at which the physical state of a su...
Q: #1
A: The question is based on the properties of water as a solvent. there are two main components of a so...
Q: In chalk chromatogaphy experiment, what observation would show that ink is a mixture?
A: Chromatography: Chromatography is well known technique which is used in order to separate the differ...
Q: 3) Find the wave length of the electromagnetic radiation, which emitted from an atom, when two elect...
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Q: Answer the questions in the image attatched below
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Q: True or false? In an SN2 reaction with HBr, 1-propanol will react faster than 2-propanol to give the...
A: SN2 reaction refers to the substitution reaction between a nucleophile and an electrophile. A nucleo...
Q: Why is it that nuclei closer to an OH (alcohol) group appear at higher chemical shift? Imagine you...
A: Nuclei closer to OH group will get deshielded due to electronegativity of oxygen (O) and hence that ...
Q: What are the concepts and principles of acid-base equilibrium? What are the reactions of acid-base e...
A: Interpretation- To tell about the concept and the principle of acid - base equilibrium and give the...
Q: How does a star produce such enormous amounts of heat and light? How are elements heavier than Ni fo...
A: Stars are made mostly of helium and hydrogen, which are packed so tightly in a star that is the star...
Q: Calculate the hydrogen ion concentration, [H+],for each of the following materials:(a) Saliva, pH 6....
A: Calculation of hydrogen ion concentration: The pH of the solution can be calculated as follows: ...
Q: How (which direction: right or left) will the equilibrium shift if HCl is added? Why will it shift i...
A: The effect of temperature, pressure and concentration on a system which is in equilibrium is explain...
Q: Calculate the energy (in kJ) required to heat 0.706 grams of water from 43.5 ℃ to 119.2 ℃.
A: Specific heat (Cs) :- The amount of heat required to raise the temperature of one gram of a substa...
Q: Please answer question and just send me the paper solutions asap dont type the answer question 27
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Q: Calculate the work done (J) by 10 mole of an O2(g) when it expands reversibly at a constant pressure...
A: For an ideal gasPV=nRT WhereP= pressure V= volume n= number of moles T=temp
Q: Write the cell notation for the voltaic cell that incorporates each of the following redox reactions...
A: The question is based on the concept of electrochemistry. A voltaic cell is also called the galvanic...
Q: Choose the correct
A: Explanation given as follows
Q: I am allowed to work with someone but I don’t understand this... Calculations : Show neatly labeled...
A: 10 mL graduated cylinder is most accurate and 100 mL beaker is least accurate.In the 10 mL graduated...
Q: A tank initially contains 200 liters of fresh water. Brine containing 2.5 N/liter of dissolved salt ...
A: If "s" represents the quantity of salt in the tank, then it must satisfy the differential equation.....
Q: Explain how to check the purity of compund using thin layer chromatography
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Q: I am allowed to work with someone I just don’t understand this Using the Volumetric Pipet Data fro...
A: 10 mL graduated cylinder is most accurate and 100 mL beaker is least accurate.In the 10 mL graduated...
Q: Half a mole of an ideal gas expands isothermally and reversibly at 273.15 K from a volume of 22 L to...
A:
Q: 3. Arrange the following carbonyl compounds in their correct order of reactivity towards nucleophili...
A: The reactivity of carbonyl toward nucleophile is depend upon the +I effect of alkyl groups, +I effec...
Q: Decreasing order of stability of carbocation is (1) (1I) (II) (IV) CH,0° O,N |> || > III > IV III > ...
A: The molecule in which carbon atom contains a positive charge and three bonds is known as carbocation...
Q: In chalk chromatogaphy experiment, what is the independent variable in the experiment? The dependent...
A: In chalk chromatography experiment, ink or dye is applied to piece of chalk at one end around 1 cm. ...
Q: 18. Draw the Fischer projection of L-galactose.
A: For a sugar drawn in the Fischer projection with the most oxidized carbon at the top (i.e. aldehyde ...
Q: Give me answer oda D to g
A: Isomer are those who have same molecular formula but different structural formula. Stereoisomer are ...
Q: Consider the following ions: Cl-, HS-, NO2-, F-, and HS04-. (a) Which of these ions in water gives a...
A: Given ions Cl- HS- NO2- F- HSO4-
Q: The solubility of a gas in a liquid will increase as temperature decreases, but a solid’s solubility...
A: Gas particle has very less attractions and solid particle has more attraction. When gas is dissolve ...
Q: The maximum number of orbitals in the p sublevel is ? 9 O 2 O 3 O 10 O 6 O 4
A: Given information, p sublevel
Q: Phase Diagram. The phase diagram of substance W is shown. Suggest one application of the phase diagr...
A: Phase of a substance is physically distinct boundary which can be distinguished. For example, a mixt...
Q: 49
A: Interpretation - Balance the following oxidation - reduction reaction. Steps to balance the ox...
Q: A 150 pounds of (NaCI) is dissolved in the solution in container A and 100 pounds of (NaCI) is disso...
A: please have a look on the solution:
Q: 2.33 Clasify the following alcohols as primary, secondary, or tertiary
A: alchol group(_OH) attached to 1o carbon ----primary alcohol alchol group(_OH) attached to 2 ocarbon...
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