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Q: ) 46% Sun 11:04 AM Safari File Edit View History Bookmarks Window Help A session.masteringchemistry....

A: Hey, since there are multiple questions posted, we will answer first question. If you want any speci...

Q: How do you solve question 10?

A: Statement A:The sodium atom is larger than the sodium ion.

Q: 16.74

A: From the given p H, concentration of hydroxide ion can be calculated as follows:

Q: What volume of 0.2500 M cobalt(III) sulfate is required to react completely with 5.00g of sodium car...

A: Given, Molarity of cobalt(III) sulfate, Co2(SO4)3 = 0.2500 M = 0.2500 mol/L Mass of sodium carbonate...

Q: In what process are unsaturated fats made saturated?

A: The physical state of unsaturated fats is liquid at room temperature where as that of saturated fats...

Q: If the gas inside the flask in the above exercise is cooled sothat its pressure is reduced to a valu...

A:

Q: I need help calculating the pH at the beginning of the tritation, at half of the equivalence point, ...

A: At the beginning of titration, only acid is present in solution.

Q: 2Ca+O2 =2CaO Write balanced half reactions describing the oxidation and reduction that occurs

A: Given, 2Ca+O2 gives 2CaO Oxidation is defined as a loss of electrons, loss of hydrogen atoms, or gai...

Q: It takes 6.00 cups of flour to bake one cake. One cup of flour has a mass of 120.0g. If you have 695...

A: One cake requires 6.00 cups of flour.  One cup of a flour has a mass of 120.0g. Therefore, amount of...

Q: Approximately what will be the total solute molarity for a 0.53 M solution of C6H8O7?

A: To calculate the total solute molarity, we need to calculate the total number of ions that will form...

Q: 13.28

A:

Q: Imagine a particle free to move in the x direction. Which of the following wavefunctions would be ac...

A: A wave function is used to describe a state of the particle.  It contains all the dynamic informatio...

Q: Calculate the theoretical value of C_p (constant pressure heat capacity)/ C_v (constant volume heat ...

A: The molar specific heat capacity of a gas at constant volume (Cv) is the amount of heat required to ...

Q: (a) If the valence atomic orbitals of an atom are sp hybridized,how many unhybridized p orbitals rem...

A: (a) If an atom sp hybridized then it can form 2 pi bonds. During sp hybridization, 1 s and 1 p orbit...

Q: An unknown gas composed of homonuclear diatomic molecules effuses at a rate that is 0.355 times the ...

A: Graham’s law of effusion:

Q: A(s)+3B(l)−⇀↽−2C(aq)+D(aq)A(s)+3B(l)↽−−⇀2C(aq)+D(aq) in terms of [A],[A], [B],[B], [C],[C], and [D],...

A: The given reaction is :  

Q: How many sulfur dioxide molecules are there in 1.80 mol of sulfur dioxide ?

A:

Q: Strike anywhere matches contain the compound tetraphosphorus trisulfide, which burns to form tetraph...

A: The equation for the reaction is: Amount of tetra phosphorous trisulphide used for burning = 0.829g...

Q: Barium crystallizes in a body-centered cubic system with atoms at all lattice points and an edge len...

A: The density formula is given as follows,

Q: Copper exist in 2 naturally occuring isotopes the average atomic weight of copper is 63.546 amu if 6...

A:

Q: A 100.-mL reaction vessel initially contains 2.60 × 10–2 mol of NO and 1.30 × 10–2 mol of H2. At equ...

A: Given information with unit conversion:  

Q: 23. What volume of 0.250 M KCl(aq) will completely react with 50.0 mL of 0.115 M Pb(NO3 )2 (aq)?   ...

A: Given: KCl Volume = ? Molarity of KCl = 0.250M Molarity of Pb(NO3)2 = 0.115M Volume of Pb(NO3)2 = 50...

Q: Freezing point of pure t-butanol (cooling curve)

A: As you heat a solid to its melting temperature, the average kinetic energy (KE) is increased. As you...

Q: Pyridazine and Pyridine represented by two chemically identical resonance structures, however, the s...

A: In pyridine molecule, two canonical structures for the pyridine, shown below, are almost identical b...

Q: What is the reason for using as little ethanol as possible to dissolve the crude product before recr...

A: For recrystallization, it is recommended to use minimum solvent to support the goal of recovering th...

Q: In a study of the formation of NOx air pollution, a chamber heated to 2200°C was filled with air (0....

A: Pressure of N2 = 0.790 atm Pressure of O2 = 0.210 atm Equilibrium constant for the reaction (Kp) = 0...

Q: Part 1: 6.970 g of a non-volatile solute is dissolved in 230.0 g of water. The solute does not react...

A: Let us represent solvent as component 1 and solute as component 2. Raoult’s law for non-volatile sol...

Q: 20

A: In given complex [Cr(H2O)6]2+ there are 4 unpaired electrons and one eg orbital are present. Ligand ...

Q: Why does maleic acid react with mg metal?

A: Maleic acid is a dicarboxylic acid. It is cis- isomer which can attain intra-molecular bonding with ...

Q: At a certain temperature, the KpKp for the decomposition of H2SH2S is 0.807.0.807. H2S(g)−⇀↽−H2(g)+S...

A: The given reaction is: The ICE table for the reaction is,

Q: What would be the molar concentration of a 60 ppm stock solution of Blue dye #1

A: The number of moles for a given compound or a molecule refers to the ratio of its mass to the molecu...

Q: For an endothermic reaction, which statement is true? The activation energy for going from reactants...

A: The activation energy for the endothermic reaction is much greater than for the exothermic reaction....

Q: If 100.00 mL of a water sample required 23.24 mL of EDTA (ethylenediaminetetraacetic acid) of 0.02 M...

A: Solution stoichiometry is mainly based on the calculation of moles and volumes. These two values are...

Q: Which electron transition in the Bohr model would produce light with the largest frequency? A. n=2  ...

A: Energy of an electron is directly proportional to frequency of light.  Thus, increases in energy of ...

Q: Combining 0.251 mol Fe2O30.251 mol Fe2O3 with excess carbon produced 10.3 g Fe.10.3 g Fe. Fe2O3+3C⟶2...

A: Given: 0.251 mol Fe2O3 10.3 g Fe The chemical equation involved: Fe2O3+3C⟶2Fe+3CO

Q: 13.27

A: (a) The initial concentration is 0.086 M and the rate constant is given as 0.80 M-1. The concentrati...

Q: The rate constant for the reaction is 0.770 M−1⋅s− at 200 ∘C. A⟶products If the initial concentratio...

A: Given the rate constant is 0.770 M-1 s-1, from the unit of rate constant it is clear that reaction f...

Q: Consider why CaCl2 or MgCl2 are used as de-icers rather than NaCl is no longer used as a deicer.

A: De-icers or de-icing agents are substances that removes snow, ice from roads or any other surface.  ...

Q: What is the rms speed of an atom in a sample of He gasat 25 °C?

A:

Q: Can someone show me how to answer this problem and show me the chemical equation.

A: Given: 150.0 mL of 0.25 M HCHO2 (formic acid) 75.0 mL of 0.20 M NaOH Determination of pH of buffer: ...

Q: A solution was prepared by dissolving 38.0 g of KCl in 225 g of water. Calculate the molarity of KCl...

A: Given: Mass of KCl = 38.0 g Mass of water = 225 g Volume of solution = 239 mL = 0.239 L Molar mass o...

Q: The vapor pressure of an unknown solid is given by ln(P/Torr)=22.413−(2211/T), and the vapor pressur...

A: Enthalpy of vaporization and enthalpy of sublimation can be calculated as follows:

Q: the diameter of a 16-gauge wire has a diameter of 0.05082 in. what length of wire in meter is found ...

A: Diameter = 0.05082 inch. 1 inch = 2.5cm. 0.05082 inch = .05082 × 2.5 = 0.12705 cm.  Mass = 1.60lb = ...

Q: The compound lead (II) acetate is a strong electrolyte. Write the reaction when solid lead(II) aceta...

A: Strong electrolytes: They are the compounds that completely dissociates into its ions when dissolve...

Q: Fill in the blank spaces in the following chart. If the moleculecolumn is blank, find an example tha...

A: Since your question has multiple sub-parts, we will solve first three sub-part for you. If you want ...

Q: Consider the reaction 2H3PO4→P2O5+3H2O2H3PO4→P2O5+3H2O Using the information in the following table,...

A: The reaction is  

Q: Carbon disulfide is prepared by heating sulfur and charcoal. The chemical equation is S2(g)+C(s)−⇀↽−...

A: Moles of S2 = 18.5 mol Equilibrium constant Kc = 9.40

Q: How many molecules are in 16.1 g of C8H10?

A: Mass of C8H10 = 16.1 g

Q: A 3.45 g sample of an ideal gas occupies 0.995 L at 29.2°C and 0.975 atm. What will be its volume at...

A: Here, the mass, volume, temperature and pressure is given for ideal gas as follows: From, ideal gas...

Q: A chemist is studying the following equilibirum, which has the given equilibrium constant at a certa...

A: The equilibrium constant, Kp for a reaction is given as :