When the following atoms (Li, S, Ca and F) become ions, what charges will they acquire?

Q: Suppose 50.0 g of solid bromine at its melting point of -7.2oC is heated, eventually producing…

A: We need to find which of the given steps will need maximum heat energy

Q: 78. Identify the spectator ions in this ionic equation: 2 NH,* (aq) + S²- (aq) + Zn²* (aq) + 2 CIO,…

A: In this question we have to tell the spectator ions in this ionic equation.

Q: What I Can Do Activity 3.7: Answer what is being asked. 1. As acid strength increases, indicate if…

A:

Q: JAMES E. resonance structures and ideas of carbocation stability. Br HBr Br CH3 CH3 H3C CH3

A: The Kinetic and thermodynamic product decided by the intermediate stability. When intermediate is…

Q: Please show detail steps to solition

A:

Q: A chemical species that causes a systematic error in an analysis by enhancing or attenuating the…

A: The answer is attached below-

Q: How many joules of heat are given off when 5.00 g of water cool from 75.0 °C to 25.0° C? (Specific…

A:

Q: Is the answer in 1. only the HNO3 OR I WOULD ALSO WRITE THE NO3- AS ANSWER? SAME WITH NUMBER 2

A:

Q: Question 19 The nucleophile in this reaction is indicated by letter Question 20 If a secondary…

A:

Q: Using the table of the weak base below, you have chosen Ethylamine as your weak base in the buffer…

A:

Q: Which is not a property of buffers? Buffers resist changes in pH when acids or bases are added or…

A: Buffers are used to resist change in pH. We we add some amount of acid or base, pH not changes much.…

Q: If someone has a carnitine deficiency, what effect would this have during the fasting state?

A: Carnitine is a natural substance aquire mostly through the diet is used by cells to process fat and…

Q: Question 5 What is the electrophile in the reaction of benzene with acetyl chloride, CH;COCI, and…

A: The electrophile in reaction of benzene with acetyl chloride, and Aluminium Chloride is acetyl…

Q: To prepare the buffer, a total volume of 500 mL is required. The stock solution of the weak base is…

A:

Q: Question 34 How many hydrogen bonds are present in a G-C base pair and an A-T base pair,…

A: We have to find how many hydrogen bond are present in given pair of base

Q: A coffee-cup calorimeter contains 50 mL of water with an initial temperature of 24.8°C 1.972 grams…

A: Given :-  Initial temperature of water = 24.8° C  Volume of water = 50 mL  Mass of metal = 1.972…

Q: B. Determination of the hydrolysis constant (or acid dissociation constant, Ka) of NH4+.

A: Given: Concentration of NH4Cl =0.01 M pH of the solution: 5.91 To determine: Hydrolysis constant of…

Q: chemcollective.org/activities/autograded/124 (Upd NMAT Reviewers 4 NMAT Reviewers -.. Blackboard…

A:

Q: 3. Calculate reaction AH°, °xn and reaction AU° for the reaction: TiCl4(1) + 2H2O(1) · → TIO2(s) +…

A: Given reaction is :  TiCl4 (l) + 2H2O (l) ------> TiO2 (s) + 4HCl (g)  Calculate the standard…

Q: The ΔH°f for water gas is -242 kJ per mol, but the ΔH°f of O2 (g) is zero.  Explain this difference…

A: Standard enthalpy of farmation is the change of enthalpy when one mole of a substance in its…

Q: A 15 L container is filled with gas to a pressure of 2 atm at 0oC. At what temperature will the…

A:

Q: How can you describe a system where its delta S is equal to zero?     Vacuum     Disorderly…

A: Entropy is the degree of randomness of a system.

Q: Draw the major product of this reaction? ? one equivalent Br2 Br (A) (B) Br Br Br (C) (D)

A:

Q: How much heat is put into 100g of water to raise temperature from 25.0 to 75.0°C? The specific heat…

A:

Q: To prepare the buffer in the previou problem, a total volume of 600 mL is required. The stock…

A:

Q: The enzyme urease is widely used for determining urea concentration in blood. The Michaelis constant…

A: Rate equation for the Michael menton's constant is as follows :…

Q: Explain the substitution reactions below

A: In this questions, we will explained the substitution reactions for all three given reactions.  You…

Q: time [H,co,] (seconds) 0.800M 1.0 0.384 M 2.0 0.185 M 3.0 0.0888 M 4.0 0.0426M

A: rate law states that rate of reaction is directly propertional to the product of molar concentration…

Q: The institution decides to add dissolved Al (III) in the form of Al(OH)3 into the water for the…

A: This institute has decided to add Al as a Al(OH)3 in water treatment plant. The equilibrium is…

Q: Using the table of the weak base below, you have chosen Ammonia as your weak base in the buffer…

A: Here we can solve the given question by applying Henderson Hassel-Blach equation to buffer solution.

Q: Show all pertinent calculations. Express final answer up to 4 decimal places. I. STANDARDIZE THE…

A: #1: IO3-(aq) reacts with S2O32-(aq) according to the reaction below: IO3-(aq) + 6S2O32-(aq) +…

Q: 1. When a mole of metal oxide decomposes, enthalpy change is positive. What de it tell you about the…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Directions: Click each answer vou want to select You must select all the correct answers. Which of…

A: Molar concentration is a measure of the concentration of a substance, in particular of a solute in a…

Q: In water, the fluorescence quantum yield and observed fluorescence lifetime of tryptophan are Pj =…

A: Here we are required to find the fluorescence rate of the tryptophan.

Q: What's New Activity 3.1 : Identify the acid, base, conjugate acid, conjugate base, and conjugate…

A:

Q: Question 9 If reaction Pathway A is carried out at high temperatures, a trisubstituted product…

A: (9)Product (D) is the possible trisubstituted derivative among all the given substance because Br is…

Q: 7 of the following sets of substituents are all ortho/para-directing in hilic aromatic substitution…

A: ✓(7)In option (C) all the given atoms or groups of atoms,i.e Cl,OH,CH3 are ortho and para-directiong…

Q: Give a clear handwritten answer with explanation needed...complete the given reactions with missing…

A: Cyclic ketone undergoes alpha alkylation by treating with base and alkyl halides. The alpha-beta…

Q: The E.el of a reaction were found to be +0.78 V. What is the spontaneity of the reaction. O none of…

A:

Q: Br2(g) 13. At 900 K, the following reaction 2 SO2 + O2 has Kp = 0.34: In an equilibrium mixture, the…

A: At equilibrium rate of forward reaction is equal to rate of backward reaction.

Q: Find the ΔH (in kilojoules) for the reaction below, given the following reactions and subsequent ΔH…

A: Known 3 C (s) + 4H2 (g) → C3H8 (g)   .........(1)            ΔH = - 118.2 kJ C (s) + O2 (g)   →CO2…

Q: 80. Identify the spectator ions in this equation, and rewrite it as a net ionic equation: Fe* (aq) +…

A: Spectator ions does not participate in the reaction. There is no change in their physical state and…

Q: A 40.00 mL sample of 0.1000 M diprotic malonic acid is titrated with 0.0900 M KOH. What volume KOH…

A:

Q: Analysis: 1. Determine the concentration of acetic acid in the flask 2. Write the neutralization…

A: Given :  Volume of CH3COOH = 25.00 ml  Molarity of NaOH = 0.18 ml  Volume of NaOH = 20.22 ml

Q: A sample of 10.2 liters of an ideal gas at 23.0 °C and 750.5 torr is compressed and heated so that…

A:

Q: 1. A dust explosion occurs in a saw mill. a catalytic converter. Cataluct Concentratin 8. Calcium…

A: Those chemical compounds which are reacting together to form the new one are known as the reactants.…

Q: Exercise 6 Ethane burns in air to give carbon dioxide and water according to the following…

A:

Q: (Q84) With respect to the following unbalanced redox equation that takes place in a basic…

A: Here we are required to balance the redox reaction in basic environment

Q: Which of the following will result in the formation of a carboxylic acid? * O All of the choices O…

A: Answer is given below

Q: A galvanic cell with a large equilibrium constant has a   (                         )      cell…

A: A galvanic cell with a large equilibrium constant has a positive  cell potential.

Group 14 Elements

The following elements come under group 14 of the periodic table.