a. Compute the value of kT (in Joules) at 25°C.

Q: Question 15 The relationship between Ka and pOH is? O Directly proportional

A: pH scale is used to measure acidity or basicity of a solution. If pH of solution is less than 7 then…

Q: The rate of the reaction A + 3B → C + 2D was reported as 2.7 M/sec.  Calculate the rates of…

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Q: How many moles are there in 4.586E1 g of chlorine (Cl) atoms?

A: Mole can be defined as standard unit for measuring large quantities of very small entities such as…

Q: How many moles of nitrogen atoms are there in 1.64 x 1023 molecules of dinitrogen trichloride,…

A: Mole can be defined as a standard unit for measuring large quantities of very small and entities…

Q: 1. A graduated cylinder is filled with 11.21 mL of water. A student adds 10 coins to the graduated…

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Q: ffect of a solute on the boiling point of a solvent. mHg 40 60° 80" Temperature (°C) 100 X mm Hg 120…

A: Given,  Mole fraction of solute = 1 - 0.8 = 0.20 Vapor pressure of water(P°) = 157 mm

Q: You want to prepare a 0.02 N hydrochloric acid standard to use as the titrant in a titration.…

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Q: 18. Use Hess's law to calculate AG°rxn using the following information. CO(g) → C(s) + 1/2 02(g)…

A: Hess's law states that total energy change during course of a reaction is independent of the…

Q: How many grams of carbon are in 1.13 x 1025 molecules of (carbon dixide) CO2 ?

A: Given, Number of molecules of CO2 = 1.13 x 1025  Mass of Carbon (C) = ? Note: molar mass of C =…

Q: + K H + H H₂N 'M H •R (S)-proline (cat.) DMSO R Z

A: It is the amino alkylation of an enolisable cabonyl compound in acidic conditions with the help of…

Q: Draw the skeletal (line-bond) structure of CH3CH2CH2CH2CH2CN. Include all lone pairs and charges as…

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Q: Draw the skeletal structure of hexane from the condensed formula (shown below). CH3CH2CH2CH2CH2CH3

A: Given compound is hexane which is an organic compound as it is made up of carbon and hydrogen…

Q: Discuss the appearance and use of each pipette.         a. Ostwald folin pipette         b.…

A: It is asked to write the use of the following pipettes.         a. Ostwald folin pipette         b.…

Q: 5. Write down a volume reading for each graduated cylinder below. Be sure to determine the last…

A: In the graduated cylinder, the bottom of meniscus is used to determine the volume of a liquid.

Q: I. Write the ion symbol for an atom with the given number of protons Ion Symbol Given 1. 22 protons…

A: The number of protons present in a nucleus is equal to the atomic number of the atom. For neutral…

Q: D. Э __ОН да

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Q: One of the National Academy of Engineering Grand Challenges for Engineering is Manage the Nitrogen…

A: Given  Depth of soil in farm (dd) = 9.0 inches. Bucket holds            = 5 gallons Number of…

Q: 1. If 23.6 grams of nitrogen are mixed with 17.3 g of hydrogen, how much ammonia may form?

A: Given :-  Mass of Nitrogen, N2 = 23.6 g  Mass of Hydrogen, H2 = 17.3 g  Mass of Ammonia, NH3 = ?…

Q: A 75.0 kg woman habitually eats nasi lemak for breakfast. It is known that a serving of nasi lemak…

A: To convert the energy contains of one serving of Nasi lemak given that each serving of Nasi lemak…

Q: Write the expanded structural formula B.3- Physical properties of butane isomers isomer molar mass…

A: Given molecules are organic compounds as they are made up of carbon and hydrogen atoms. Butane…

Q: Question 4 A hydrocarbon A) hydrogen and oxygen. B) carbon and oxygen. C) carbon and hydrogen. D)…

A: In hydrocarbon the carbon atoms join together to form the framework of the compound, and the…

Q: 5. Which elements are halogen elements? A. Fluorine, Chlorine, Bromine B. Calcium, Strontium, Barium…

A: We would use periodic table properties to answer these questions.    Note : As you have uploaded…

Q: The mass spectrum of CH3F is given in the chart below. (a) Draw a likely structure for the molecular…

A: Mass spectrometry is one of the best techniques for analyzing the structure of a molecule and…

Q: QUESTION 21 An unconscious patient arrives at the ER. The patient is breathing heavily (panting)…

A: #Q.21: Given PCO2 = 40 mmHg  pH of the H2CO3/HCO3- buffer system = 7.2  First, we have to find the…

Q: 4. Draw one viable structure of a molecule with formula C5H9N that contains each of the following (3…

A: We have to draw the structure using the given molecular formula that contains the functional groups…

Q: 1.) A researcher claims that an ancient scroll originated from Greek scholars in about 500 B.C. Its…

A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: . How to prepare a 100 ml solution of a 0.01 M of methylene blue (show solution) B. Can methylene…

A: Methylene blue is available as pure solid crystals that we can use to prepare 100 mL of 0.01 M…

Q: 3. Boron (B; Z=5) has two naturally occurring isotopes. Find the percent abundances of ¹0B and ¹1B…

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Q: How many molecules of hydrogen fluoride (HF) are in (2.1x10^-2) moles of hydrogen fluoride (HF)?…

A: Given, Moles of HF - 2.1 × 10-2 Avogadro's Constant - 6.022 × 1023

Q: H C-CEC-CH3

A: Orbital diagram involves the orbital orbital overlap between two bonded atoms. In this diagram, lone…

Q: 7. The rate constant for the hydrolysis of a m-chloro substituted and p-methoxy substituted organic…

A: Given  Rate Constant (km  ) of m- chloro = 0.50 Rate Constant( kp  ) of p-methoxy = 0.015 σ for m-Cl…

Q: What is the chemical reaction for cellular respiration?

A: chemical reaction for cellular respiration :

Q: The density of copper is 8.96g/cm^3. What is the mass in mg of a cube of copper that measures 2.31…

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Q: half-life of the reaction is 31.0 s at 680 °C. art 1 of 2 Calculate the first-order rate constant…

A: Chemical kinetics is branch of chemistry in which we deal with speed at which rate of reaction…

Q: A sheet of aluminum (density=2.60 g/cm³) has dimensions of 4.75 mm x 1.80 m x 2.48 ft. Calculate its…

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Q: The [H+] in a particular lake is 10-8.5. Use the formula pH = -log [H+] to determine the pH of the…

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Q: H. Calculate AGRxn using the AG values in your references. I. Is the reaction spontaneous at this…

A: G , H ) We can calculate the following values using the formula.  I ) The reaction is said to be…

Q: How many molecules are contained in 38.33 grams if NO2? First determine the molar mass of NO2. Can…

A: Given, Mass of NO2 = 38.33 g  Atomic mass of N = 14.0067 g/mol  Atomic mass of O = 15.999 g/mol NA…

Q: For each of the molecules below, determine the number of σ, л, n, ë*, and σ* orbitals present. In…

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Q: AgNO3(aq) + K₂SO4(aq) 2AJ H3PO4 (aq) C2H6 (g) + 1504 NaOH (aq) + O2 (g) KNO3(aq) + Ag2SO4(s))…

A: Count the number of atoms of each element present on both sides of the reaction and then balance…

Q: Choose the Aromatic compound from the list below: O a) diethyl ether Ob) methanol O c) benzene d)…

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Q: 0.0001 0.8859 140 22.1214 What is the molarity of the fourth solution?

A: GIVEN Molarity Molarity (M) is the amount of a substance in a certain volume of solution. It is also…

Q: this change, which is of a 11. For the reaction 2 H2(g) + products or reactants? 12. What are the…

A: Thermodynamics is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

Q: What are the resonance structures for CHOCHCHCH3?

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Q: Q3. When the orgo students did the experiment, they weighed out 2.105 g of Salicylic acid  and mixed…

A: Answer: Molecular formula of Salicylic acid=C7H6O3 Molecular formula of Acetylsalicylic acid= C9H8O4…

Q: Calculate the pH and pOH of the following substances: 1. 0.3 M sulfuric acid (H2SO4) solution 2.…

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Q: How many molecules of hydrogen fluoride (HF) are in (2.1x10^-2) moles of hydrogen fluoride (HF)?…

A: Given  2.1×10-2 moles of HF  N0 = 6.022×1023

Q: III. Write the name of the following compounds.

A: We have given three compounds SO3, NCl3 and P2S5.We have to tell their names. Given compounds are…

Q: Draw a resonance structure that places a pi bond in a different position. Include all lone pairs in…

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Q: ? ОН Racemic ..... ОН

A: Organic transformation