Which of the following equilibria would not be affected by pressure changes at constant temperature? O PCI5(1) → PCI3(g) + Cl2(g) O FeO(s) + CO(g) → Fe(s) + CO2(lg) O H20(g) → H2(g) + ½ O2(g) O 2 NO(g) + O2lg)→2 NO2(g) O CaCO3(s) → CaO(s) + CO2(g)

Q: What mass, in grams, of NaCl needs to be added to 1.7 kg of water in order to create a solution with...

A: Given: Freezing point of the final solution = -4.1 oC And mass of water = 1.7 Kg.  

Q: What volume (mL) is required from a stock solution of 1.98 M KNO3 to prepare a 750 mL solution of 1....

A: Given,  Initial volume, V1 = 750 ml  Initial Concentration, S1 = 1.00 M  Final Concentration, S2 = 1...

Q: A neutral subatomic particle. a) compound b) mixture c) molecule d) neutron e) atom

A: An atom is made up of neutrons, protons and electrons. Protons are positively charged and electrons ...

Q: Calculate for the buffer capacity if 20 mL of 0.048 M hydrochloric acid is added to 500 mL of buffer...

A:                                                   Volume of buffer solution = 500 mL Volume of Sodiu...

Q: E) Draw structures of A to D H;OH,SO, B Na C0,H,S0,10 D NBS (CH),COK A. F) G) MALHA CHEM 2212K PRACT...

A: The reagents are as follows:  

Q: 1. A cup of water containing an ice cube at 0°C is filled exactly to the brim (so that a single extr...

A: To answer this question , we will consider the fact about density of liquid water and ice.   

Q: What will the [Fe(SCN)2+] be at equilibrium, in M?

A:   Equilibrium Reaction                                        Fe3+(aq) + SCN-(aq) ⇔Fe(SCN)2+(aq)    ...

Q: The reaction A + 2B → products has the rate law, rate = k[A][B]3. If the concentration of B is doubl...

A: Given: Rate = K [A] [B]3

Q: Which of the following (NBR3, BF3, OF2, IF3) is(are) exempted from the octet rule? Check all that ap...

A: Generally octet rule is violated or exempted when a central atom having either fewer or more than th...

Q: For the two-step reaction below, fill in the blanks using the words given. Step 1: 2 NO2 (g) - NO3 (...

A: Intermediate of a reaction is that species which is involved in mechanism but not involved in overal...

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: How many parsecs are there in 5 light-years?

A: • We need to convert 5 light year into ____ parsecs 

Q: If the reaction quotient, Q, is greater than the equilibrium constant, K, then O the reaction has no...

A: We are to determine whether the reaction shifts forward or backwards when reaction quotient is great...

Q: functional groups

A:

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: Calculate the molality of a solution containing 23.8 g of NaCI in 70.0 g of water. D 5.82 m O 2.45 x...

A: Given : We have to calculate molality of solution.

Q: Which of the following violates the octet rule? SF6 CO2 O AICI4 O Co3?

A: Concept is based on octet rule:

Q: In 2021, 7.5 x 1014 mol = 750,000,000,000,000 mol of CO2 into the atmosphere worldwide. At standard ...

A: Given: Pressure = 1 atm. Temperature = 273.15 K And moles of CO2 = 7.5 × 1014 mol.  

Q: Which of these acids contributing to acid rain are polyprotic acids? O Carbonic acid only O Nitric a...

A: Answer: Oxides of sulfur and nitrogen form due to combustion of coal and fossil fuels. When released...

Q: Which atom would you expect to be in the center of the Lewis Structure of HCN and what is the formal...

A: Answer: HCN is called as hydrogen cyanide, in which four valencies of carbon are being completed by ...

Q: Simplify the following units: kgm3/ms2 g/cm3 smL/cm3 s2/s3

A: The units given are, a) Kg.m3/m.s2 b) g/cm3 c) s.mL/cm3  d) s2/s3   

Q: Twenty-five mL of 0.100 M lactic acid (K, = 1.4 x 10) is titrated with 0.097 M KOH. %3! a) What is t...

A:

Q: ist three basic contributing factors of internal energy for a nitrogen olecule? Please explain in th...

A: Given : We have to tell what are the basic contributing factor for internal energy of nitrogen molec...

Q: QUESTION 11 What is the mass of a 4.110-mol sample of sodium hydroxide? O a. 98.6 g O b.0.1028 g O c...

A:

Q: A 4.10 molal solution of H2SO4 has a density of 1.21 g/mL. What is the molar concentration of the so...

A:

Q: A. Identify the type of solution and calculate the pH for each of the following: i. 0.100 M HONH2 (...

A:  PH = -log [H+] For weak acid [H+] = Kaweak acid Where [weak acid] is the concentration of the weak ...

Q: OP serieš ör reactions that could be used to prepare 1-phenyl-1- butanol. THERE IS MORE THAN ONE COR...

A: We have to prepare 1-phenyl-1-butanol.

Q: oxidation state

A:

Q: GIVE THE BALANCED CHEMICAL EQUATION FOR EACH OF THE FOLLOWING REACTIONS: ( 1. 2. 3. identification o...

A: There are different type of test to identify different ions present in their respective compounds - ...

Q: A sample of food has 9 g of carbohydrates, 9 g of fat, and 7 g of protein. What is the energy conte...

A:

Q: Fe3+(aq)+SCN−(aq)⇌Fe(SCN)2+(aq)   Their reaction mixture is prepared by mixing together the followin...

A: Expression of the concentration equilibrium constant  With in the 3rd bracket there are the concent...

Q: Aluminum sulfate can be made by the following reaction. 2AlCl3(aq) + 3H2SO4(aq) → Al2(SO4)3(aq) + 6...

A: Given : Mass of  AlCl3  = 25g  Mass of H2SO4 = 30g

Q: The bond angles in the central atom of CO,2- are expected to be 120° 90° 5° a little less than 120°

A: Bond Angle : Bond angle can be defined as the angle between the two adjacent bond .  

Q: Please answer all with short explanation otherwise don't attempt Chemistry TRUE or FALSE   1. Th...

A:

Q: Which of the following substances contain a rigid arrangement of their constituent molecules? Sugar ...

A: arrangement of molecule in compound decide it's rigidity if molecule are close to each other then co...

Q: Given these molecular weights of only nonpolar and non-ionic molecules consisting of only hydrogen a...

A: Since you have posted multiple questions, we are entitled to answer the first only.  

Q: What is the osmotic pressure (in atm) needed to maintain a cell that contains 0.749 M of CaCl2, an e...

A:

Q: At 20 "C, an aqueous solution that is 18.0% ammonium chloride by mass has a density of 1.0512 giml. ...

A:

Q: A reaction is prepared by adding 1.37 mol each of H2, 12, and HI gases to a 1.0 L container. They ar...

A: Given that : Since you have asked multiple question, we will solve the first question for you. If yo...

Q: What is the theoretical yield of sodium carbonate, expressed in grams, if 128 g of NaCl were used in...

A:

Q: Which of the following molecules can initiate ion-dipole interactions with water? Na :N-F: O :N=N: :...

A: The molecules given are,

Q: 11. Draw the Lewis structure and calculate the formal charge for oxygen atoms in an HCO3 ion? Show y...

A: Lewis’s structure: Lewis’s bonding theory is based on the octet rule. The Lewis structure is a simpl...

Q: Given a 100 mL solution of 0.050 M BaCl2●2H2O solution, which of the following statements is correct...

A: Answer: First of all we will calculate the number of moles of BaCl2.2H2O and then with help of this ...

Q: How many atoms of hydrogen are present in 7.85 g of water? 1023 O b.2.34 x 1024 O C. 1.21 × a. 2.62 ...

A: Molecular formula of water is H2O. Molar mass of water = 18.02g/mol Mass of water = 7.85g 

Q: 6. CH,SF Geometry:

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: Consider the initial‑rate data at a certain temperature in the table for the reaction described by ...

A:

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: In step 2 of the reaction sequence HCl is added to the basic reaction mixture after the reflux perio...

A: The virstatin ethyl ester is dissolved into methanol and NaOH has been added to the reaction mixture...

Q: For the reaction C3HB + 502 → 3CO2 + 4H20 at a particular time, A[CO2]/At = 2.5 x 10 2 M/s. What is ...

A: