a) Which of the following is the lowest temperature? a) 42 C b) 318 K c) 57 F d) all these temperatures are equal b) A sample of 5 kg pure lithium nitrate contains 10.1% lithium by mass. What is the % lithium by mass in another sample of 10kg pure lithium nitrate?

Q: A certain metal M forms soluble sulfate salt MSO4. Suppose the left half cell of a galvanic cell…

A: Concentration of left galvanic cell = 3.50 M  Concentration of right galvanic cell = 3.5 mM

Q: (5) What volume (mL) of 0.1 M HCl is needed to neutralize (Jals Jel) 25.0 mL of 0.35M NaOH? (B) 20…

A: Molarity of NaOH = 0.35 mol/L         ( M = mol/L ) Volume of NaOH = 25.0 mL   = 0.025 L ( 1 mL =…

Q: Identify whether each species functions as a Brønsted-Lowry acid or a Brønsted-Lowry base in this…

A:

Q: name this molecule including stereochemistry (if applicable)

A:

Q: Provide a name for each of the following compounds. Note: Do not use italics. -NH3CI NH₂

A: Detail

Q: and net ionic equations for the reaction, if any, that occurs when aqueous solutions of the…

A: All given reactions are double displacement reaction. (Precipitation reactions) During these…

Q: Using a current of 4.75 amperes (A), how many minutes does it take to plate a figure with 1.54 grams…

A: Current= charge/time  I = Q/t  1 F = 96500 C mol-1

Q: Balance the following redox reaction in acidic solution. 2+ 2+ Zn(s) +MnO (aq) Zn²+ (aq) +Mn²+ (aq)

A:

Q: A galvanic cell is powered by the following redox reaction: 2103(aq) + 12 H(aq) + 10 Br (aq) L₂(s) +…

A:

Q: Consider the following data on some weak acids and weak bases: name acetic acid hydrocyanic acid…

A: The question is based on the concept of salt hydrolysis. We need to arrange given salts in…

Q: Consider an unknown solution. Experimental work determined that the aqueous solution contained some…

A: Concept: Red cabbage contains water soluble pigment called anthocyanin that turns pink in acidic…

Q: (5) What volume (mL) of 0.1 M HCl is needed to neutralize NaOH? (B) 20 (A) 175 (C) 87.5 25.0 mL of…

A: Molarity of HCl = 0.1 M Molarity of NaOH = 0.35 M Volume of NaOH = 25.0 ml We need to calculate the…

Q: If the stated molality of a solution is 1.2m and the change in boiling temperature calculations…

A: Given: stated molality of solution= 1.2 m actual molality of particles in the solution =  3.6 m

Q: The equation shown represents a gas-producing reaction. 2 KNO3 ->> 2 KNO₂ + 0₂ After 3.75 grams of…

A:

Q: Consider the following data for a substance: Critical point: 119.1 atm and 567°C Triple point: 0.101…

A:

Q: all 5 of the d orbitals Using the x, y, z Draw atomic coordinate system j yo >Z

A: An atomic orbital is a region or space in which the probability of finding an electron is maximum.…

Q: Draw the following side groups using structural formulas. a) CH3- methyl b) phenyl Ô ethyl

A: “Since you have posted multiple questions with multiple sub-parts, we will provide the solution only…

Q: Calculate the concentration of a solution species that yields a 500 μA peak current response in a…

A: The given question is simple problem of calculation of concentration of analyte for a cyclic…

Q: Draw the cis isomer of the structure shown below. D • Use the wedge/hash bond tools to indicate…

A:

Q: Me Me N Br Bu3SnH, AIBN CO₂Et R

A: This question is related to free radical addition reaction mechanism.

Q: Identify the oxidation state of the phosphorus atom in each of the following phosphorus-containing…

A: Oxidation state of an atom in its elemental state = 0  Oxidation state of an atomic ion is equal to…

Q: 1. Copy of Investigation - H... Heats of Reaction-Hess When 2.35g Mg(OH), is added to 250.0 mL of…

A:

Q: Calculate the volume occupied by 8.80 g of oxygen gas (O2) at a pressure of 0.871 atm and a…

A: Mass of oxygen gas ( m) = 8.80 g  Pressure (p) = 0.871 atm  Temperature (T) = 43.7 °C = (43.7 +…

Q: Question 18 Which of the following is used to resynthesize the parent RCOOH from a corresponding…

A: A carboxylic acid is a class of organic compounds that contain a carboxyl functional group (-COOH).…

Q: 1. What quantity is conserved in the reaction shown below? (circle all that apply) 2 HCI + Ca(OH)₂ 2…

A: Using law of conservation of different properties in a chemical reaction we can select the correct…

Q: 1. If you get to the end point of your titration and wait a few hours, you'll find that the color…

A: Note: Since you have posted multiple questions, we will provide the solution only to the first…

Q: 1) 2) ZI

A: The given reactant is acyl chloride which on reaction with pyridine followed by the reaction with…

Q: 6. A student is determining the enthalpy of solution for ammonium nitrate by adding ammonium nitrate…

A: The question is based on the concept of chemical thermodynamics. we need to predict the effect on…

Q: In oxidation-reduction reactions: Oxidation and reduction reactions can never occur simultaneously…

A: Oxidation-reduction reaction: These are those reactions in which oxidation and reduction occur…

Q: a) How many atoms are in 2.50 moles of C02? b)How many cations are there in 10.0g of sodium…

A: The number of atoms present in the given amount of the compound can be evaluated by observing the…

Q: Draw the pyranose α-anomer chair conformation from the Fischer projection shown below. H H- HO- H-…

A: We have to draw the chair conformation of the given molecule

Q: What mass of water is necessary to prepare each of the following solutions 230.0g of 0.800% saline…

A:

Q: An aqueous solution at 25 °C has a pOH of 6.8. Calculate the pH. Be sure your answer has the correct…

A: Given is: An aqueous solution with pOH = 6.8  at 25 °C We need to calculate the pH.

Q: A. The product for the following reaction is: A. FO •oo•o B. .. C. O B. .. NaOH D. calor

A: The given reaction is a simple sequence of 1,4 conjugated addition followed by  aldol reaction is…

Q: Question: How does the structure and composition of a catalyst impact its efficiency in a chemical…

A: Introduction: Catalysts are essential components in chemical reactions, as they enable reactions to…

Q: or the following reaction: H₂C ia OCH₂CH3 a Draw the major organic product. OCH₂CH3 1. NaOCH₂CH3 2.…

A: The above mentioned question is based on organic reaction and mechanism and we will discuss about…

Q: Find the hydroxide concentration of a LiOH solution that has a pOH of 3.60. pOH=    (round to 3 sig…

A: It is based on the concept of acid and Base  Here we are required to find the hydroxide ion…

Q: A 0.3780-g copper (II) sulfate pentahydrate (CuSO4 5H2O, MM = 249.68 g/mol) is subjected to…

A: Given,Mass of Copper(ii)sulfate pentahydrate ( CuSO4. 5 H2O ) =0.3780 gMolar mass of CuSO4. 5 H2O =…

Q: A 545 g portion of soup is heated in a microwave oven from 25.0 °C to 90.0 °C, using radiation with…

A: Energy absorbed by the soup, E=mC∆T Energy of a photon, E'=hcλ

Q: Find the hydroxide ion concentration of a HBr solution with a pH of 4.75. *Hint use Kw [OH-] =…

A: The pH of a solution is the negative logarithm of hydrogen ions. The pOH of a solution is the…

Q: NaOH = Na + OH When you dissolve 40 g of NaOH to create a 200 mL solution, and the [OH^-] is 5,…

A: The question is based on the concept of pH of the solution.  it is defined as a negative logarithm…

Q: Question 2. } Determine the molarity of a solution made by dissolving 23.4 g of sodium sulphate…

A:

Q: If a gas has a volume of 3.67 L and a pressure of 790 mm Hg, what will the pressure be if the volume…

A: Boyle's Law :    Boyle's law states that the volume  of a gas is inversely proportional to the…

Q: Identify the orbital. dyz orbital f orbital Py orbital Px orbital dxy orbital

A: We have to identify the orbital given below.

Q: Draw the products of each reaction. OCH₂ CN [1] MgCl [2] H₂O CN [1] [2] H₂O

A: a) In the first reaction is the reaction of nitrile with grignard reagent,at first negative part of…

Q: What are the classes of acids and bases? Be specific and give examples, and discuss the concept of…

A: The question is based on the concept of acids and base. Acidity is defined as the ability of a…

Q: species 2+ Zn (aq) Ag (aq) 2+ Ca (aq) 3+ Al (aq) oxidizing power choose one choose one choose one…

A: Greater the value of standard reduction potential of a redox couple , stronger be the oxidizing…

Q: 24. Given the reaction: NH3 (g) + O₂ (g) → NO(g) + H₂O (1) When 1.20 mole of ammonia reacts with…

A:

Q: The balanced equation for the neutralization reaction of aqueous H₂SO, with aqueous KOH is shown.…

A:

Q: 8. A particular enzyme at a research facility is being studied by a group of graduate students. This…

A: Km= 5.0 x 10-6 M= 5.0 µM Substrate concentration [S] =0.055 M = 0.055×106 µM As given after 1 min…