• A young man exerted a force of 9,000 N on a stalled car but was unable to move it. How much work was done?

Q: (c) electron capture by molybdenum-93 O 93 je+2 Nb Mo + _¡e → Nb ie+ Te He + 20 Zr Мо > 42 O 93 42…

A: ->From electron capture atomic number decreases by one unit. ->From positron emission atomic…

Q: 88 dentify which of the following metals will be oxidized by 1.00M HCL. H* will be reducea Ag above…

A: Elements which have higher oxidation potential than HCl , are oxidized by HCl.

Q: An aqueous 0.6 M solution of a weak base has pOH of 4.5, what is the pKb of the weak base?

A: Weak base dissociated less in solution

Q: The age of wine can be determined by measuring the trace amount of radioactive tritium, 3H, present…

A:

Q: 5. A photon of blue light has a wavelength of about 475 nm. a. What is the frequency? b. What is the…

A:

Q: In a 300 ml solution with added 5 g activated carbon, the XRF detected 45 mg/L of gold. • Determine…

A: Given: Volume of solution = 300 mL  = 0.3 L Amount of activated carbon = 5 g  Reading of XRF = 45…

Q: Refer to the equation below to answer questions What is your observation after the reaction? A. A…

A: Bromine water test is used for detection of Unsaturated componds. Bromine water reduces double bond.

Q: How many resonance structures can be drawn for the AsO4anion (this is a -3 charged anion)?  (Hint --…

A: Lewis structures that describe the delocalization of electrons in a polyatomic ion or a molecule

Q: The lesson is all about atomic mass

A:

Q: Calculate the Molarity of 0.0786 moles Aluminum dichromate, Al>(Cr,07)3 when dissolved in 2 L…

A: Since you have asked multiple type questions, we will solve only first  questions for you. If you…

Q: please determine the molar solubility of Mg(OH)2 in a solution buffered at a pH of 8.

A: Given:: pH = 8 Ksp of Mg(OH)2= 5.61×10-12 Molar solubility of Mg(OH)2= ?

Q: Which of the following bonds will be most polar? Group of answer choices C-O N-F N-O C-F Cl-F

A: The most polar bond from the given choices = ?

Q: Calculate the root-mean-square velocity, in m/s, for a hydrogen molecule at -37.0 °C. The universal…

A: Molar mass of hydrogen molecule is 2 amu

Q: 3. A reaction 5 AP has a fifth-order rate law. Write the rate law expression and derive an equation…

A: Given-> 5A ----> P

Q: NO(g) + SO3(g) has K = 5.94. Suppose 0.189 mol of NO2 and 0.189 mol of SO2 are placed At 1000°C, the…

A: At equilibrium- Kc = [Product]/[Reactant]

Q: 8. An aqueous solution of methanol in water has a vapor pressure that is A. equal to that of…

A:

Q: Organic compounds that contain large proportions of nitrogen and oxygen tend to be unstable and are…

A: Given that, a reaction is C2NO6 → 2NO2 + 4NO + 2CO2. The reaction in the CCl4 solvent is first order…

Q: Given below information for amino acid glycine, at which pH will the amino acid have a protonated…

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Q: At 1000°C, the reaction NO2(g) + SO2(g) NO(g) + SO3(g) has K. = 3.50. Suppose 0.179 mol of NO2 and…

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Q: I. Determine the hybridization of and the bond angle around atoms 1, 2, 3, and 4 H H 1... C-C-H NEC…

A:

Q: A factory wants to produce 1.00 x 103 kg barium from the electrolysis of molten barium chloride.…

A:

Q: What is the osmotic pressure (at 20 °C) of a solution made by dissolving 13g of sucrose in 117g of…

A: Mass of sucrose = 13 g  Total volume of solution = 125 ml  Temperature = 20 °C  Osmotic pressure = ?…

Q: What is the molality and % by mass of H2O2 upon mixing 28.3 g of this compound in 39 g of H2O?

A: Given :-  Mass of H2O2 = 28.3 g  Mass of H2O = 39 g  To calculate :-  Molality of solution   % by…

Q: 3. If 50.0g of the solute is dissolved in 120.0g of the solvent at 15°C, how much solute must be…

A: 23) B

Q: NO2–1    (aq) +  I -1    (aq)® NO (g) + I2(s)  Oxidation numbers for every atom  Oxidation and…

A: Some rules to be followed while calculating oxidation number: 1) Oxidation number of oxygen atom is…

Q: 16. The concentration of a 1500mL aqueous KCI solution was increased from 25.0 M to 80.0 M by…

A:

Q: You accidentally forgot to measure the mass of the octane that you transferred in the crucible. You…

A: When octane is burned in calorimeter, energy is released from octane which is absorbed by the water…

Q: 60- 40- %T 20- 어 C3H16 A000 3000 v / cm² 2000 1000 634.273 -724.829 909.657 993.151 -1112.5 1378.89…

A:

Q: Refer to the attached photo for the following question If a blue litmus paper is dropped to a…

A: Litmus paper are indicator use to test acidity and basicity of the solution  Here we are required to…

Q: 1) A 1.728 in' of a substance has a mass of 36 grams. What is the density of the substance in g/cm'?…

A:

Q: B. Calculating Average Molecular Mass 1. Glucose- C6H12O6 2. Tetrasulfur dinitride- S«N2 3. Diboron…

A: Average molecular mass can be calculated as follows

Q: 0.5000 g sample containing NaCl (58.44 g/mol), BaCl2 (208.23 g/mol), and 11.56% by mass of…

A:

Q: Examine the following reaction. 3 CO 2(g) +2 Fe(s) Fe 203(s) + 3 CO(g) What is the equilibrium…

A: Kc is the ratio of the equilibrium concentrations of product over equilibrium concentrations of…

Q: Refer to the equation below to answer questions 26 to 30. Br HII CIN

A: For saturation of one double bond , one mole of halogen is required . Detail solution is given below

Q: identify which ions would combine as well as the correct ratio. A +3 B -2 C+4 DL2 -1

A: The ions given are A3+, B2-, C4+ and DL2-.

Q: Initial Concentration (mol/L) Rate of Appearance of C A В (mol/L.s) 0.10 0.10 2.0 x 103 0.20 0.10…

A:

Q: What happens to bromine when it is adjacent to an alkene during a chemical reaction? A. Bromine…

A: The reaction given is,

Q: If a positron is to be emitted spontaneously, how much more mass (as a minimum) must an atom of the…

A: As in positron emission, the nuclear positive charge and hence the atomic number decreases by one…

Q: he viscosities of acetone are T, °C -60 -30 0 30 Ƞx102, poise 0.932 0.575 0.399 0.295…

A: Solution- Data given- The viscosities of acetone are Ƞx102, poise     T0C 0.932                -60…

Q: lank 1 Add your answer

A: The fractional distillation ia used to separate the miscible liquids on the basis of boiling point…

Q: take to plate out 3.9 g Ni with the 10

A: Given,  Mass of Ni = 3.9 g Molar mass of Ni(M) = 59 g/mol Current (i) = 108.2 A Number of electrons…

Q: In a study of the rearrangement of ammonium cyanate to urea in aqueous solution at 50 °C…

A:

Q: In pure substance, at constant volume, pressure and temperature will dictate whether a substance…

A: None of the statement is true

Q: A sample of 0.37 mol propyl alcohol is dissolved in 1.75 kg of distilled water. If the boiling point…

A: Given :-  No of moles of propyl alcohol = 0.37 mol  Mass of water/solvent = 1.75 kg  boiling point…

Q: Oxidation Reduction Decrease in oxidation state Increase in oxidation state Gain of electrons…

A: Answer: Redox reaction is the type of reaction in which one substance gets oxidized and other…

Q: warm KMNO4 HO.

A:

Q: 36. Identify which type of isomer the following structures represent. Br CI H. H. Br O A. positional…

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Q: 3. 5 mL acetic anhydride is to be added to 2 g salicylic acid. To how many equivalents (acetic…

A:

Q: Atomic Mass

A:

Q: QUESTION 19 C6H5-CO-NH2 is a O primary amide secondary amide O tertiary amide O nitrile

A: