A valid Lewis structure of ______ cannot be drawn without violating the octet rule. - ⓞ CO₃²⁻ - ⓞ CH₄ - ⓞ PCl₅ - ⓞ NH₃ - ⓞ CO₂ Previous

Q: 40.00 mL of 0.1100 M HCl is diluted to 100 mL with H2O and titrated with 0.1 M NaOH. Calculate the p...

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

Q: What is the partial pressure of CO₂ at 468.2 K in a 25.0 L fuel combustion vessel if it contains 69....

A: According to ideal gas law, PV = nRT where P = pressure of gas in atm  V = volume of vessel in L n =...

Q: Calculate the quantity of gas, in moles, if 126L at 55.0 °C has a pressur of 11.25 kPa Express the a...

A:

Q: The pK, value for H2CO3 is 6.38. What mole ratio of KHCO3 to H2CO3 is needed to prepare a buffer wit...

A: Mixture of KHCO3 + H2CO3  forms acidic buffer solution . pH of buffer solution can be calculated by ...

Q: What is the maximum concentration of Ni²⁺ that can be added to a 0.00910 M solution of Na₂CO₃ before...

A: Given : Concentration of Na2CO3 = 0.00910 M Since Na2CO3 is completely soluble in water. Hence it wi...

Q: Chemistry Question

A:

Q: "Two chemicals A and B are combined to form a chemical C. The rate of the reaction is proportional t...

A: According to given information the following reaction is taking place. A + B  → C Initially there ar...

Q: 2

A: The relation between the wavenumber and wavelength of a radiation is shown below. ν¯=1λ

Q: Questions in bold   A student investigated the stoichiometry of the reaction of zinc (Zn) with HCl s...

A: From the experimental data we can see that Zn is reacting with HCl to evolve H2 gas. Hence Zn will r...

Q: Is the reaction mechanism for No1. correct? Could you also explain how to do No2. and what the THF i...

A:

Q: 5.) a.) For each of the following, match the types of intermolecular forces holding the materials to...

A: All matter can be classified as solid, liquid and gases mainly. In these physical states of matter, ...

Q: The number of molecules of 2.53 g C7H6O3 is: O 1.10x1022 molecules 138 molecules O 3.04x1026 molecul...

A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it ...

Q: Calculate the pressure (in atm) exerted by 1.00 mole of acetylene at 125°C in a 20.0-liter container...

A:

Q: The lattice energy of an ionic compound (AX) is 666 kJ/mol and its heat C solution is -6.3 kJ/mol. C...

A: The enthalpy change when one mole of an ionic compound dissociates into its ions in gaseous state is...

Q: 2) What IR absorption would you use to distinguish between the two compounds above ? CH3 a CH,CCH;CH...

A: Ketones show a strong absorption band ~1700 - 1720 cm-1 which is characteristic of C=O stretching. I...

Q: What would the net ionic equation be?

A: A balanced chemical reaction is the one where the number of atoms of each element is same on both th...

Q: A pure sample of an organic molecule has the formula CxHyOz. If x = 12, y = 21, and z = 2. Calculate...

A:

Q: 2,4-Dinitrophenylhydrazine is frequently used for making derivatives of ketones and aldehydes becaus...

A: The structure of 2,4-DNP is:

Q: which of the following would have a negative Van der Waals coefficient (a), if found inthe gaseous s...

A: Vanderwall coefficient (a) represent interaction between gas molecules. If interaction is attraction...

Q: A chemist dissolves 601. mg of pure barium hydroxide in enough water too make up 100. mL of solution...

A: Given : Mass of Ba(OH)2 = 601 mg = 0.601 g                                                         (...

Q: 2. Provide the missing reagent(s) and major product(s) for each of the following reactions. а. Br Al...

A:

Q: Hi, what is an example of water resisting temperature change? and why?

A: The specific heat capacity (B) of a substance is related to the quantity of energy (Q) in the form o...

Q: Thermite welding is an exothermic reaction, which produces molten iron that permanently binds metals...

A: First convert mass into mole by dividing molar mass to each substance respectively Then Calculate li...

Q: Give an example reaction that would yield the following products. Name the organic reactant and prod...

A:

Q: What is an advantage of writing the chemical formula over writing the name of the compound

A: The expression in which name of the elements present in a chemical compound are written in the form ...

Q: Identify the significant absorption peaks by labeling them right on the spectrumand includethe spect...

A:

Q: Can Anyone explain step by step（in details）how to balance these equation in half reaction method？

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

Q: Provide mechanisms that explain the following results. Be sure to show any intermediates that are fo...

A: Various types of mechanisms are studied in organic compounds. These mechanisms help in the conversio...

Q: It takes about 8 eV to remove one electron from a silicon atom. How much energy does it take to remo...

A: 2nd ionization energy - The energy required to remove a second electron from a singly charged gaseou...

Q: Define Alkenes & what are its features ?

A: Alkenes are a class of unsaturated hydrocarbons which has a two sp2 hybridized carbon atoms, meaning...

Q: A chemist determines by measurements that 0.0150 moles of chlorine gas participate in a chemical rea...

A:

Q: The number of grams of 1.38 x 1022 molecules of C12H22011 is: 0.0229 g 7.84 g 342 g 2.29 g

A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it ...

Q: Nickel is more reactive than hydrogen, so it replaces hydrogen from hydrochloric acid whenmixed toge...

A:

Q: According to VSEPR theory, if there are five electron domains in the valence shell of an atom (one o...

A: VSEPR theory helps to determine the geometry and shape of a molecule. The total number of bond pairs...

Q: Table 1. Titration data Trial 1 Trial 2 Trial 3 Initial burette reading (mL) 1.43 2.50 1.33 Molarity...

A:   Trial-1 Trial-2 Trial-3 Initial burette reading 1.43 2.50 1.33 Molarity of NaO...

Q: The chemical formula for zinc nitrate is: Zn(NO3), Calculate the molar mass of zinc nitrate. Round y...

A: The chemical formula for Zinc nitrate is Zn(NO3)2.

Q: Water can form large dewdrops in nature. How would droplets made of isopropyl alcohol instead of wat...

A: Surface tension is arises due to the unbalanced forces present on the surface of liquid. Forces is b...

Q: 2) Write the balanced equation for the yeast catalyst is not really a reactant or product it is usua...

A: Step : 1           Write the balanced equation for the yeast catalyst is not really a reactant or pr...

Q: A 3.00- g sample of an alloy of Pb Lead was dissolved in nitric acid (HNO3). Sulfuric acid was added...

A: First Calculate mole by dividing Molar mass to the mass  Then use mole -mole relationship to get mol...

Q: Please answer

A: pH is used to determine the concentration of hydronium ion.

Q: Provide the products that complete the following reaction equations. Note: unless otherwise indicate...

A:

Q: The quantity of Cl- in a water supply is determined by titrating the sample with Ag+. What mass of c...

A:  The reaction taking place is: Calculation of no. of mole of Ag+:

Q: A 38 g sample of ice at -5⁰C is placed into 250 g of water at 65⁰C. Find the final temperature of th...

A: Step : 1           Find the final temperature of the mixture

Q: To resolve an object in an electron microscope, the wavelength of the electrons must be close to the...

A:

Q: Caproic acid, HC6H11O2, is found in coconut oil and is used in making artificial flavors. A solution...

A:

Q: Calculate the volume of O2(g) in Liters that is required to convert 4.19 of S(s) to SO3(g) f the rea...

A: Given data,Moles of S=4.19molTemperature=418oC=418+273.15=691.15KPressure=5.78atm