percent by volume

Q: What are the uses of polyiodides? What are the importance of polyiodides?

A: The answer to the following question is-

Q: The half-life of iron-59 is 44.5 days. How much of a 3.00-mg sample will remain after 222.5 days? a ...

A: The half-life of iron-59, t1/2 = 44.5 days Time elapsed, T = 222.5 days Initial mass of the sample, ...

Q: A solution that contains14.32 grams of naphthalene in 150 grams of ethylene dibromide freezes at 7.1...

A:

Q: (a) Identify the major product of the following reaction. (b) Explain why the other product is not t...

A: a) The major product is (II). b) The reaction is followed the mechanism of Friedel-Crafts alkylation...

Q: Give the major cyclic product for the following reaction

A:

Q: Question 15 Identify the following statement base of the the effect of the substituent of a chromoph...

A: UV visible spectroscopy is used for identification of organic compounds and their structure.

Q: : :0 ..

A: In chemical reaction that species which losses proton(H+) acts as acid. And species which accepts pr...

Q: A certain reaction, reaction A products, is first order with respect to A. Starting with [A] = 0.250...

A:

Q: Consider the equilibrium system C(s) + CO2(g) = 2CO(g) If C is removed, the equilibrium will and if ...

A: We are given q reaction at equilibrium,  we need to determine which side reactions shifts when conce...

Q: Suppose a student measured the mass of a sample that has a known mass of 40.5809 g using an analytic...

A:

Q: СООН СООН СООН СООН ZON (а) O2N II III IV ČI I Br CH3 (b) OH HO, HO, I II III IV NO2 Br

A:

Q: Which of the following are not correctly paired? a. Na, alkali metal b. Sn, lanthanide c. Br, hal...

A:

Q: How do you call the wavelength where a solvent is no longer transparent ? cutoff O invisible visible...

A: Visible light has range of Wavelength  in between 400 to 800 nm . Wavelengths shorter than 400 nm, o...

Q: 1. Balance the following reaction equation in acidic solution: Mn0, + Crag) Mnag) 2 + Cr20, Caq) (aq...

A: Given unbalanced reaction is : MnO4- (aq) + Cr3+ (aq) ---------> Mn2+ (aq) + Cr2O72- (aq)  Balanc...

Q: To the cooled anhydrate, CuSO4, of Part I, a student added about 5 mL of distilled water and then st...

A: This is an exothermic reaction. when water is added to anhydrous white crystal of copper sulphate th...

Q: The PHIVOLCS recently reported that Taal volcano emitted 15,500 tons of Sulfur Dioxide (SO2). How ma...

A: Here we have to find total number of sulfur atoms present in 15500 tons of SO2 gas . Here we have to...

Q: One atom has 15 protons and 16 neutrons in its nucleus, with 15 electrons traveling around it. Anoth...

A: Isotopes are the elements which have same atomic numbers but they have different mass number  Ex. 1H...

Q: Calculate the molality of a solution containing 23.8 g of NaCl in 70.0 g of water.

A: Molality= moles of solute/mass of solvent (in kg) Molar mass of NaCl=58.44 g/mol

Q: Which of the following statements is true? An atom with a high electronegativity is an electron dono...

A: Electronegativity is defined as  tendency of atom to attract shared pair of electrons.

Q: Predict the products of each reaction, and whether the solution at equilibrium will be acidic, basic...

A: solution that give H+ ion is acidic solution that give OH- ion is basic

Q: Which of the following violates the octet rule?

A: In this question we have to choose correct option of the violates the octet rule with explanation.

Q: what is the difference within a molecule between an intramolecular and intermolecular force of attra...

A: To explain: the difference within a molecule between an intramolecular and intermolecular force of a...

Q: Which of the following statements is/are correct about visible spectrum i. white light passes throug...

A: That portion of electromagnetic radiations that is visible to human eye is called the visible spectr...

Q: Given this phase diagram and the data table, how do I arrive at the heat of vaporization (in kJ/mol)...

A:

Q: Give IUPAC names for the compounds shown below

A: Find the highest priority functional group. Determine and name the longest continuous carbon chain t...

Q: A solution of manganese chloride has SG of 2.98 and contains 28.3% manganese chloride by mass. if 50...

A: Given: Mass % of Manganese chloride i.e. MnCl2 = 28.3 % Specific gravity of solution = 2.98  Volume ...

Q: Which one of the following is not equivalent to one mol of the substance? 65.39 g Zn O 14.01 g N 8.0...

A: We are to check which of given options is not equivalent to 1 mole of it. And secondly we need to fi...

Q: How many grams of KCI are in 125.0 mL of 0.375 M KCI? O 46.9 g O 3.49 x 103 g O 3.49 g O 0.0469 g

A:

Q: Question:   Propane, C3H8(g), is used in many instances to produce heat by burning: C3H8(g) + 5O2...

A:

Q: If the reaction quotient, Q, is greater than the equilibrium constant, K, then O the reaction has no...

A: We are to determine whether the reaction shifts forward or backwards when reaction quotient is great...

Q: eq• Calculate Keq-

A: 1. An equilibrium reaction is that reaction which can not go to 100% completion but is at a situatio...

Q: Which of the following is true for a chemical reaction at equilibrium? both the forward and reverse ...

A: For a chemical equation at equilibrium we know that the rate of forward reaction is equal to the rat...

Q: A body occupies 150 ft3 and has a speciTic volume of 8 ft°. Assuming that g=32.2 ft/s?, calculate a....

A:

Q: CECH 1. НО. CI

A:

Q: A certain substance A has a boiling point of 78 degrees celsius and substance B has a billing point ...

A:

Q: What is the ionic strength of a solution that contains 0.20 M sodium chloride and 0.50M sodium sulfi...

A:

Q: Calculate the degrees of unsaturation and draw structures that would meet the following descriptions...

A:   Degree of unsaturation (DOU) :  DOU indicates the total number of pi bonds and rings within a mole...

Q: Some measurements of the initial rate of a certain reaction are given in the table below. [H.] 12 in...

A:

Q: Consider the equilibrium system C(s) + CO2 (g) = 2C0(g) If C is removed, the equilibrium will _____,...

A:  C(s) + CO2(g)  ⇌ 2CO(g)

Q: On analysis, an equilibrium mixture for the reaction 2H2S(g) 2Hg) +Sg) was found to contain 1.0 mol ...

A: Given Data :  1. Mol of H2S = 1.0 mol  2. Mol of H2 = 4.0 mol.  3. Volume = 4.0 L  4. Kc = 3.4 . Che...

Q: In general, to calculate the rate constant for a first order decomposition reaction, A products, giv...

A: A multiple choice question based on kinetics of chemical reactions that is to be accomplished.

Q: 7.00 mL of 6.00 x 103 M Fe(NO3)3 (6.00 times 10 to the minus 3rd power MFe (NO3)3) is added to 4.00 ...

A: Given: Concentration of Fe(NO3)3 taken = 6.00 × 10-3 M Volume of Fe(NO3)3 solution taken = 7.00 mL  ...

Q: At 300 K, if the pressure is increased from 0.006 atm to 1 atm, the phase change is: 218 B Liquid So...

A: Answer: Given diagram is called as phase diagram that represents the interchanging of different phas...

Q: Given the following information, calculate the missing values for multiple different solutions of Ba...

A:

Q: 1. An aqueous solution with 15 g sulfuric acid is dissolved to make 0.2F solution. The specific grav...

A: Since you have posted a question with multiple sub-parts,we will solve first three sub-parts for you...

Q: What volume (mL) is required from a stock solution of 1.98 M KNO3 to prepare a 750 mL solution of 1....

A:

Q: What is the Amax of this given structure?

A: We can calculate the maximum wavelength in ultraviolet- visible spectroscopy.  

Q: Which of the following equilibria would not be affected by pressure changes at constant temperature?...

A: Le Chatelier's principle: It states that if a dynamic equilibrium is disturbed by changing the tempe...

Q: If you compare orbitals with different principal quantum numbers (n) but the same angular momentum (...

A:

Q: The PHIVOLCS recently reported that Taal volcano emitted 15,500 tons of Sulfur Dioxide (SO,). How ma...

A: