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Q: QI: Calculate the number of covalent bonds of Germanium (Ge), Z-32?, and Zn, Z-30?

A: Disclaimer: Since you have posted multiple questions, we will solve first question for you. To get r...

Q: A student peeled the skins from grapes, exposing cells with membranes that are only permeable to wat...

A: The rate is slower because smaller grapes can expand more than larger grapes to hold excess water.

Q: Which of the following atomic isotopes contains the fewest neutrons? Select one: a. 30Si b. 27Al ...

A: The number of neutrons is the difference between the mass number and atomic number.   So , to get th...

Q: iway Algebra Problem Solv x G 62.027g/s to kg/s- Google Sea x A www-awu.aleks.com/alekscgi/x/Isl.exe...

A:

Q: For the reaction of sodium sulfide with iron(III) chloride below , you have 319.5 kg of sodium sulfi...

A: The number of moles of sodium sulfide and iron (III) chloride is 4094 mol and 3097 mol respectively....

Q: A solution was prepared by dissolving 6.34 g KCl.MgCl2.6H2O in sufficient water to give 2.00 L. Calc...

A: The association of the specific number of water molecules to a compound is termed as the hydrates. B...

Q: Questions: 1. Consider the following. H2SO4+2 NAOH NazSO4 + 2 H20 If a 24.0 mL sample of H2SO4 (20) ...

A: The balanced Chemical Reaction given in question is - H2SO4 + 2NaOH ----> Na2SO4 + 2H2O   Here, i...

Q: Which of the following statement is NOT true?     The equilibrium constant of a reaction varies ...

A: a) The equilibrium constant of a reaction varies with temperature. We know  Keq = e-∆Go/RT If the re...

Q: Is the formula we write for an ionic compound the molecular formula or the empirical formula? Why? O...

A: Empirical formula represents only the simplest ratio of elements present in the compound and not the...

Q: Ql: Prove that the components in NaCl structure is identical to the two of inert gases? (Z of Na- 11...

A: (1) When sodium and Chlorine combine they give an ionic compound sodium chloride, NaCl. Initially so...

Q: Use the activity series to predict if the following reactions will occur. If the reaction will occur...

A: Metals reacts with an acid to give a salt and the hydrogen gas. General reaction can be represented ...

Q: Dinitrogen tetroxide is 18.46 per cent dissociated at 25 °C and 1.00 bar in the equilibrium N2O4(g) ...

A: Introduction: Partial pressure: The partial pressure may be defined as the pressure exerted by the m...

Q: Use the activity series to predict if the following reactions will occur. If the reaction will occur...

A: Activity series of cations havebeen given. Based on that we can whether reaction occurs or not 

Q: In his experiment to test whether the crown of the King of Syracuse was made of pure gold or not, Ar...

A: No it is not made up of pure gold.

Q: I’m confused on question 4

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...

Q: Which scientist developed the "plum pudding" model of the atom? Spherical cloud ´of positive charge ...

A: J.J. Thomson's experiments with cathode ray tubes showed that all atoms contain tiny negatively char...

Q: What is the bond angle of the indicated atom? H H HC-C-H H. H. a. 120 degrees

A: From hybridisation of Carbon , we can determine bond angle.

Q: Why can an insect "walk" on water?

A:  ANS -WATER HAS HIGHER SURFACE TENSION

Q: 5) What property makes something a Bronsted Acid? What property makes something a Bronsted base? (5 ...

A: The Bronsted acid and bases are explained by  Bronsted-Lowry acid-base theory according to this theo...

Q: Match each scientist to their experiment. JJ Thomson Ernest Rutherford Robert Millikan :: Oil Drop :...

A: Electrons , protons and neutrons are called sub atomic particles. Sub atomic particles are discovere...

Q: Ammonia, NH3, is also a weak base with K, = 1.8x105. Which of the following is the best explanation ...

A: The basicity of nitrogenous bases are compared on the basis of their ability to donate the lone pair...

Q: Silicon dioxide reacts with hydrogen fluoride to produce silicon fluoride and water. Under ideal con...

A:

Q: Identify the limiting reactant when 6.33 g of H2SO4 reacts with 5.92 g of NaOH to produce Na2SO4 and...

A: Given data,Mass of H2SO4=6.33gMass of NaOH=5.92gBalanced equation,H2SO4+2NaOH→Na2SO4+2H2O

Q: Link each term with the correct definition.

A: The question deals with the general or basic terms used in chemistry. All these terms such as ion, a...

Q: RE -Lesson 3: lonic Compounds Lewis Dot Structures (mon) Formation of an lonic Bond Na CI Na: :CI: C...

A:

Q: possesses an inversion center (center of symmetry)?

A:

Q: At a given temperature, the equilibrium constant (Kp) for the decomposition of dinitrogen tetraoxide...

A: Initially partial pressure of N2O4 is 0.224 atm, suppose x is change in partial pressure of N2O4 at ...

Q: Which scientist developed a model that is still used today to show the number of electrons in each o...

A: Bohr model explains an atom as a small and positively charged nucleus surrounded by electrons. These...

Q: I am given a sample of an unknown metal X. The density of the metal is 8.90g/cm3. X-ray diffraction ...

A:

Q: 1. Give the major organic product (s) for the following reactions or sequence of reactions. 1) PhMgB...

A:

Q: which of the following is a hydrocarbon? \[C{O_2}\] \[{H_2}O\] \[C{H_4}\]

A:

Q: obtain the relation between polarizability and distance between two atoms

A: Relation between polarozability and atomic radius is given as follows 

Q: In the Wheatley encapsulation lab, PEG, which is hydrophilic, is used to make molecules more water s...

A: Polyethylene glycol is a polyether compound derived from petroleum with many applications,from indus...

Q: 5. K + H,O → КОН + H, 6. CІ, + _ Lil - LİCI + 7. Са(ОН), + HCl → СaCl, + НО

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

Q: A 0.20 M solution of the salt NaX has a pH of 10.96. Calculate the Ka of the weak acid HX . X- + H2O...

A: Acid are the compounds which provide proton, H+ in the solution. Weak acid is the compound which par...

Q: Use the equation below to answer the following question: 2C5H10 + 1502--> 10CO, + 10H,0 Jane wanted ...

A:

Q: Q/ A piston cylinder contains 5 kg of Ammonia at 5 °C with 500 L initial volume. At first the piston...

A:

Q: Which of the following statement about coal gasification is INCORRECT?A. The synthesis gas is CH4.B....

A: Coal gasification is the process of producing syngas- a mixture consisting primarily of CO, H2,CO2, ...

Q: and covalent compounds.docx ert Layout References Arial 18 NCI3 B

A: The chemical structure for nitrogen trichloride, NH3, is shown below.

Q: In methyleyclohexane: O a. ring-carbon atoms are sp- hybridized and the methyl group is sp³ hybridiz...

A: The structure of methylcyclohexane is given below:  

Q: How many grams of titanium are need to react completely with 17.0 g of chlorine (Cl2) to produce TiC...

A:

Q: The ksp of CaF2 is 3.9 x 10 -11 at 25o C. Assuming that CaF2 dissociate completely upon dissolving a...

A: In a balanced chemical reaction, the product of the equilibrium concentration of the ions of the sal...

Q: 33. Which of the following represent the best design for corrosion protection?

A: We have to select a design to non storage of liquid in pipes or in drainage system. The storage of w...

Q: Write the formula for the conjugate acid of each base.

A: Acid is the chemical compound which donates proton in the solution, while base is the chemical compo...

Q: Calculate the DoU for structures shown. Use spectral data to identify the four unknowns. You must pr...

A: Degree of unsaturation (DOU) helps in finding out the degree of unsaturation which includes double b...

Q: Example: Titration of o.2121 g of pure Na CO, (134.00 g/mol) required 43-31 mL of KMNO What is the m...

A:

Q: 1.Name the solvent(s) used to determine reactivity of alkylhalides by SN2 mechanism. 2. What is...

A: Given : SN2 reaction and mechanism.  To find : Type of solvent used in SN2 reaction.  Solution : As ...

Q: Which of the following correctly ranks the ?cycloalkanes in order of increasing ring strain per meth...

A: Less the internal bond angles in cyclohexanes more will be the ring strain.

Q: The phensuprin solid is first dissolved in ethyl acetate. One solid will be left over – what is it? ...

A: Phensuprin is the mixture of aspirin or acetyl salicylic acid and sucrose.