The OH concentration in a 7.5 x 103 M Ca(OH)2 solution is x 10 12 M 1.30 x 10°M 7.5O х107м 100 x 102 M 1.5O

Q: 6) Chlorophyll has the formula Css H72 Mg N4 Os. How many grams of carbon are required to combine…

A: Given data Molecular formula of Chlorophyll : C55 H72 Mg N4 O5  Mass of Mg = 0.0011 g Atomic mass :…

Q: For the elementary reaction NO2 + CO2 -- NO3 +Co the molecularity of the reaction is --, and the…

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Q: 11 In an experiment to determine hydrolysable tannins in plants by absorption spectroscopy the…

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Q: Which of the following statements best describes CS,? O The molecular geometry is bent and the…

A: We have to predict correct statement about CS2 .

Q: Q/ An aluminum atom has two electrons in the (3s) state and one electron in the (2d) state outside…

A: The atomic number of aluminium (Al) is 13.

Q: What is the pH of a solution that is 0.048 M in HA and also 0.0042 M in NaA? (Ka = 4.1 %3D x 10-6)

A:

Q: How many mL of pure ethanol are in a 8oz bottle of 100 proof alcohol? Answer: The correct answer is:…

A: Given that - pure Ethanol in a bottle of volume = 8 oz = 8×29.574 mL = 236.592 mL    And proof of…

Q: A compound has the empirical formula CH20 and a formula mass of 120.10 g/mol. What is the molecular…

A: Given empirical formula  ⇒        CH2O       Formula mass = 120.10 g/mol       Molecular mass =…

Q: What is the percent concentration by mass of NaCl in a 200 g of solution that contains 0.390 mol of…

A:

Q: Arrange the following compounds in increasing order of basicity: CH3NH2, (CH3)2NH, NH3, C6H5NH2 *…

A: Increasing order of basicity is given below

Q: I need the answer as soon as possible

A: This question is related to chirality.

Q: The molecular formula of furan is a) CaHsN b) CgH;0 c) CaH40 d) CaHaN2 Select one

A:

Q: 07/ How many milliliters of 0.25 M solution of H2SO, will react with T0mL of a 0.25 M solution of…

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

Q: KF is an ionic solid with a cubic crystal structure. Use the information below to answer the…

A: Given : KF ionic solid  Ionic radius of Cation = 0.138 nm Ionic radius of anion = 0.133 nm  To find…

Q: Which of the following sentences is correct? O C6H1206 in water is soluble and weak electrolyte. O…

A: To identify: Correct statements from the given options.

Q: Butane, C4H10, is an easily liquefied gaseous fuel. Calculate the density of butane gas at 0.957 atm…

A: Introduction: We have to calculate the density of butane gas.

Q: Calculate the formal concentration in molarity of a sodium acetate solution prepared by diluting…

A:

Q: Determine the Empirical Formula. (5pts each) 1. What is the empirical formula of a compound which…

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Q: A chemist vaporized a liquid compound and determined its density. If the density of the vapor at…

A: We will assume the gas to behave ideally when the liquid is vaporized . As the gas is behaving…

Q: Determine the activation energy for crystallization of polypropylene, using (Fig. 3). 1.0 130°C…

A: The temperature v/s fractional transformation curve given is,

Q: In each case, Is the solution acidic, basic, or neutral? 1. when [H30+] > 1*10^(-7) 2. when [OH-] >…

A:

Q: There are three different ways in which salting' can take place. What is salting and why, though it…

A: Salting : Salting is a food preservation technique in which the food is surrounded in salt and left…

Q: A KCI solution is prepared by dissolving 60.0 g KCI in 250.0 g of water at 25°C. What is the vapor…

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Q: The chemical shifts of several protons in the NMR of hydroxyl tropolone are degenerate, as shown by…

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Q: The most stable alkene is

A: More substituted alkenes results in more stability because of electron donating capacity of the…

Q: Name Bz3Ah7 O bronzium ahsokide tribronzium heptahsokide bronzium(VII) ahsokide O bronzium(III)…

A: Given compound name is Bz3Ah7 Here number of atom of Bz is 3(tri)  Number of atom of Ah is 7(hepta)

Q: a) my dining utensils contain chromiun, are they radioactive? 5) should my oxyen be liquid or gaz?

A: Ans A) chromium used in dining utensils is mixture of stainless steel.  So it is safe.

Q: If K = 1.24 x 103 for the reaction: 2 HBr(g) H2(g) + Br2lg), what is the value of K :for the…

A: Given,

Q: 7. Polycaprolactam (Nylon 6) has higher Tm than Polycaprolactone. Why?

A: Glass transition Temperature (Tg) It is defined as the temperature at or above which the molecular…

Q: Calculate the energy (MeV) liberated in the decay of U-238 to produce Th-234 if the mass of U-238 =…

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Q: Identify the conjugate base of HPO,2 in the reaction HCO, + HPO,2 H2CO3 + PO,3 Identify the…

A: The given reaction is an acid base reaction the species releasing a proton is an acid while the…

Q: When 1 g of material X(molar mass= 40/g/mol) was dissolved in a beaker containing 35.0 ml of 1 M HCI…

A: The question is based on the concept of specific heat capacity.   it is defined as the amount of…

Q: 58) Given the following bond energies : Bond bond energy (KI/mol) C=C 614 0=0 745 C=0 789 O=H 467…

A: NOTE: It should be O-H and C-H in the bond energy data.

Q: A chemist vaporized a liquid compound and determined its density If the density of the vapor at 90.0…

A: