We used the average sea level pressure Po 1013 Pa to compute the mass o What is the mass of air pressing down on the top of your head right now? W sauashing vou flat like a buo?

Q: 1. Identify the following as acidic or basic, and write the corresponding Ka or Kb reactions and exp...

A: Acid is a substance which release H+ ions and base is substance which release OH- ions

Q: 1s-1. The reaction 2 N2O5(g) → 4 NO2(g) + O2(g) was studied and the rate of change of the concentrat...

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Q: Calculate the molarity of 39.0 g of table sugar (C12H2201) in 100. mL of solution. M

A:

Q: Arrange the following according to decreasing intermolecular force of attraction. Explain your answe...

A: There are various type of intermolecular forces present in the molecules such as hydrogen bonding, v...

Q: Prepare 500 mL 0.1 M acetate buffer, pH = 4.3, from 0.1 M stock solutions of acetic acid and its sa...

A: Buffer is a solution that contains weak acid and its conjugate base in some fixed ratio that defines...

Q: Diamond, lattice constant (a) = 0.3567 nm, shares the same crystal structure as Si, FCC with lattice...

A: The scattering of X-rays occurs from the atoms which provides information about the positions of ato...

Q: 2. Write the formula of the following compounds. 1) perchloric acid 2) potassium iodide 3) cobaltous...

A: Given compounds:  Perchloric acid Potassium iodide Cobaltous nitrite Lithium hydroxide Sodium hypoc...

Q: Assuming the Debye Huckel Limiting Law applies, At 25°C, estimate the mean activity coeficient, of 2...

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Q: QUESTION 2 How many moles of hydrogen sulfide are contained in a 44.4-g sample of this gas? O a. 1.3...

A:

Q: What methods could be used to determine the structure of polyiodides? Discuss how could they identi...

A: Answer -  polyiodides - The polyiodides are a class of polyhalogen anions composed entirely of iodin...

Q: What is t decimal praces. Answer should not include a unit label or other "lar mass of NH,CI? Round ...

A: Molecular mass: It can be defined as the sum of the atomic mass of each atom in the molecule. 1) fir...

Q: The following is an electron configuration for one of the elements on the periodic table: 1s²2s²2p⁶3...

A:

Q: 7. Compound X is an antibacterial drug of the sulfonamide group, and was widely used in the mid-20th...

A: Here we have to find the intermediate products formed during reaction sequence to prepare antibacter...

Q: How many grams of MgCl2 are needed to make 700.0 mL of a 1.4 M solution? How many grams of NaBr (mol...

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Q: 1. For each of the following balanced oxidation-reduction reactions, (i) identify the oxidation numb...

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Q: 1. For the reaction below, determine the equilibrium concentration of all species. Kc=1x1020, [A]ini...

A: Soln

Q: hat is the reaction equation for copper (II) and thiosulfate ions and the completed reaction of 2Fe(...

A: Given : We have to complete the given reaction.

Q: rhenium (IV) hydroxide disilicon octabromide iron (II) iodate chromium (III) sulfide

A: In oxyacids, oxygen is directly connected to a hydrogen atom and at least one other element is prese...

Q: elsiini Draw and build ethene, CH,CH2. Be sure your drawing correc

A: Draw the structure of ethene?

Q: A buffer is made up of 2.0 mL of 0.1 M weak acid (AH) and 20.0 mL of 0.1 M conjugate base (A minus)....

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Q: On acidity and basicity of aqueous solutions, the following relationships are valid, except [H+][-OH...

A: Given : We have to tell the incorrect statement.

Q: answer true or flase. don't need an explanation or solution (a) A covalent bond is formed between t...

A: Answer: There are 4 types of bonds possible between two atom: 1. Ionic bond 2. Covalent bond 3. Coor...

Q: After the recrystallization of triphenylmethanol, the product of the Grignard reaction, considering ...

A: Grignard reagent- it is organomagnesium halide. General  formula is  RMgX Where-X is halogen and R- ...

Q: Which one of the following is not an organic pollutant: 1. a. Chloroform b. Benzene c. Cobalt chlori...

A: On the basis of types of compounds these are divided into two pats as ; Organic compounds :-  The co...

Q: Complete the following nuclear reactions and identify the cosmic phase (Big Bang Nucleosynthesis, St...

A: Answer - Nuclear reaction - Nuclear reaction is a process in which two nuclei, or a nucleus and an e...

Q: ny moles c

A:

Q: Octane, C3H18 , is a constituent of gasoline, and burns in the presence of oxygen to produce water a...

A:

Q: 22. Convert th

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Q: Explain the photosynthesis prcoess and respiration process in a tree.

A: Photosynthesis is a process by which plant turns water, sunlight and Corbon dioxide into oxygen and ...

Q: Classify each of the following compounds as ionic (I0), molecular (M), binary acid (BA), or oxyacid ...

A: We have been asked to classify the compounds as ionic, molecular, binary acid or oxyacid. Then, we a...

Q: In aqueous solution, hypobromite ion, BrO -, reacts to produce bromate ion, BrO 3 -, and bromide ion...

A:

Q: Which of the following is NOT a derived unit?   g/ml m^2 m/s J/gC ug

A: Derived unit is units of measurement which is derived from the base unit. A derived unit can be dime...

Q: A piece of aluminum with a mass of 23.5 grams at a temperature of 0.0°C is dropped into an insulated...

A: Mass of Aluminium = 23.5 Final temperature = 87.2°C

Q: . An unstable isotope that lies under the stability curve of the nucleus will emit.... a.  electron...

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Q: Differentiate the following terms: Rate law Rate order

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Q: Enter your answer in the provided box. Calculate the molality of a solution containing 281 g of HCl ...

A: Molality: The mole of the solute dissolved in one kilogram of the solution is known as the molality ...

Q: Questions (a) Give the molecular formula of propene. (b) Draw the full structural formula of propene...

A: a)Give the  Molecular formula of propane. b) Draw full structural formula of propane. c) Draw a dot ...

Q: the formation of Thorium-228 by beta emission g) the loss of an alpha particle by Protactinium -231 ...

A:

Q: Vhat is the minimum amount of heat required to completely melt 15.0 grams of ice at its nelting poin...

A:

Q: a particular 2nd order reaction A --> products has a [A]time=0 = .45M and a [A]time=35sec = .13 M. w...

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Q: What is the volume needed for dH2O

A:

Q: How many moles of H₂O can be formed from 1.71 × 10²³ molecules of NH₃ from the following equation? 4...

A: Given, 4 NH₃(g) + 5 O₂(g) → 4 NO(g) + 6 H₂O(g) Number of molecules of NH3 = 1.71 × 10²³ molecules Mo...

Q: How to prepare the following compound by Retrosynthesis (RSA) and functional group interconversion (...

A: Synthesis of any target molecule can be explained with the help of retrosynthetic analysis of that p...

Q: Sodium metal requires a photon with a minimum energy of 4.41 x10-19 J to emit electrons. What is the...

A: As you have asked part (c), solving the same for you: (c) 

Q: uestions On complete combustion, one mole of an alkane produces two moles of carbon dioxide and thre...

A: Given: Moles of CO2 = 2 mol Moles of water = 3 mol

Q: Synthesize the compund (Nimodipine) via Hantzsch dihydropyridine synthesis

A:

Q: Select all the carbon numbers that are chiral in the skeletal structure below. Keep in mind that C a...

A: Chiral carbon are those carbon which is  attached with the four different group. 

Q: A chemist vaporizes a volatile liquid hydrocarbon (carbon, hydrogen and oxygen) compound to a gas an...

A:

Q: The following reaction starts with 120.0 torr gas A, Zero torr of gas B, and Zero torr of gas C. 3A...

A: The given balanced chemical equation is: 3A(g) → 2B(g)+3C(g)  Initially, there was only 120.0 torr o...

Q: How much energy, in J, is required to raise the temperature of 1 kg of water from 37oC to 39.5oC? Th...

A: Given, The energy, in J, is required to raise the temperature of 1 kg of water from 37oC to 39.5oC i...