Which of the following is the precipitant of the aluminum iron group?                   Select one: a.  HCl  b. H2S  in acid solution c. ammonium carbonate    d. H2S   in a base solution

Q: Stronger Bronsted- Lowry acid C9H7N Weaker Bronsted-Lowry C9H,NH+ acid Stronger Bronsted- Lowry base...

A:

Q: 3. Čalculate the % of Cl in chloroform CHCI3.

A:

Q: Identify the absolute configuration of the chirality centers in each of the following compounds as R...

A: Use CIP Rules to give the priority to the groups that are attached to chiral carbon.  More the atomi...

Q: PO.) is an important ingredient in many fertilizers. It can be made by reacting phosphoric acid (H,P...

A: 1 mole of Phosphoric acid and Ammonia react to form 1 mole Ammonium Phosphate

Q: β-carotene has a molar absorptivity of 100,000 dm^3 mol^-1 cm^-1 a certain wavelength. Calculate the...

A: Please find the below attachments.

Q: Would the reaction of magnesium, mg with oxygen be more or less vigorous than Al?

A:   Yes the reaction of Magnesium with oxygen will be more vigorously than Reaction of Alminium with o...

Q: At altitudes much greater than 30 km, photochemical decomposition of dinitrogen produces the ground-...

A:

Q: Which of the following ions has the electron configuration 1s22s22p°? A) Mg* B) N2 C) N3 D) O E) F*

A:

Q: Aqueous sulfuric acid (H2SO4) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium su...

A: When an acid reacts with a base it produces salt and water. Such reactions are known as acid-base re...

Q: A commercial bleaching solution contains 13.6% (v/v) of sodium hypochlorite, NaOCI. What is the volu...

A:

Q: 7. If the solution with the pH of 1.30 had a concentration of 0.05M, what is the percent ionized for...

A: pH of a solution is defined as the negative logarithm of hydronium ion concentration.Given pH of the...

Q: A chemist determines by measurements that 0.0350 moles of iodine solid participate in a chemical rea...

A:

Q: A chemist determines by measurements that 0.0600 moles of chlorine gas participate in a chemical rea...

A: Given mole of Cl2 = 0.0600 mole.                      Molar mass Cl2 is = 70.90 g/mol

Q: The pressure of a piston with a volume of 650 cm' and 85°C is 830 torr. It is heated to 350°C and co...

A: The given questions are related to ideal gas equation. If the number of moles of gas remain constant...

Q: -Which of the below is not an example of a base? O White lead O Cobalt O Zinc oxide O Red lead

A: We have given 4 options and have to tell which is not basic.

Q: 5. What would the pH of a solution that had a hydroxide ion concentration of 1 x 10º M be?

A:

Q: Write the balanced molecular chemical equation for the reaction in aqueous solution for sodium hydro...

A:

Q: Determine the percentage by mass of an element in "salt"

A: Chemical Formula of Table Salt = NaCl Molar Mass of NaCl = 58.44 g/mol Mass of Element Na = 22.99 g/...

Q: Complete the table. Question Choices The value of ΔH0 for the reaction is -336 kJ. Determine the...

A: 1. Answer - The correct option is  (a) = 70.7 kj Solution - According to the question - Given values...

Q: Spontaneous as written above a certain temperature Spontaneous as written below a certain temperatur...

A: Spontaneous reaction: The chemical or biological reactions which takes place without the influence o...

Q: The Kc value for the following equilibrium at 500°C is 49. H2(g) + I2(g) = 2HI(g) If 2.50 moles of H...

A:

Q: Make a list of the properties of ACID. Explain why each is helpful.

A: Lewis acid- Chemical species that has an empty orbital that can accept a pair of electron. Bronsted ...

Q: Which of the following atom does belong to lanthanide group? Group of answer choices A.) U: Z = 92 B...

A: Given :-  A.) U: Z = 92 B.) Hg: Z = 80 C.) Ce: Z = 58 D.) Cs: Z = 55    To identify :- a lant...

Q: 4. Braw а. Ra b.

A:

Q: How many atoms are in K2S2O8 Group of answer choices   A.) 12 atoms B.) 32 atoms C.) 10 atoms D.)  8...

A: Calculate the number of atom in a molecule. 

Q: How much water would 29.21 grams of an insoluble sample with a density of 4.35 g/ml displace

A: Density is the ratio of mass and volume.  Density is the amount of solid present per ml of solvent. ...

Q: Would the reaction of beryllium, Be, with oxygen be more or less vigorous than ba?

A:

Q: What is the solubility of PbF₂ in a solution that contains 0.0350 M F⁻ ions? (Ksp of PbF₂ is 3.60 × ...

A:

Q: How many intermediates are present in the proposed mechanism of lodine clock reaction? (note: disreg...

A: Chemical reactions can be added, subtracted, or multiplied like an algebraic equation.

Q: Identify the 4 quantum numbers of the 17th electron of Strontium (Sr)

A:

Q: Which pair of particles have the same number of electrons  Choice A: F-,Mg2+ Choice B: Ne,Ar Choi...

A: An isoelectronic pair  is a group of ions that all have the same number of electrons. 

Q: Identify the 4 quantum numbers of the 17th electron of Strontium

A: Identify the 4 quantum numbers of the 17th electron of Strontium

Q: 20(g), Rp = 4.3 X 1O For a general reaction: A(g) + 3B( equilibrium mixture of the three gases at 30...

A: Find partial pressure of C....

Q: Identify: - Element in Group IVA that has the lowest atomic size - Element with a valence configur...

A: The atomic radius of a chemical element is the mean distance from the center of the nucleus to the b...

Q: Part A Decide whether or not each metal dissolves in 1 mol L- HNO3. Standard Electrode Potentials at...

A: A reaction is the reduction reaction if the electron is accepted by the species and will be the oxid...

Q: At -5.23 °C the concentration equilibrium constant K =2.3 for a certain reaction. Here are some fact...

A:

Q: 1. Predict whether the entropy change for each of the following reactions will have a positive value...

A:   Entropy is a measure of randomness (or) disorderness, represented by ∆S It is a state function, E...

Q: Solid aluminum (Al)and chlorine (Cl,) gas react to form solid aluminum chloride (AICI,). Suppose you...

A: Given, Solid aluminium (Al) and chlorine (Cl2) gas react to form solid aluminium chloride (AlCl3). m...

Q: ur quantum numbers

A:

Q: 5. Describe how 100 mL of a 0.10 mol/L NaOH solution would be made.

A: The formula to calculate Moralrity (M):   M= no.of moles/ Volume (in liters)   so, substituting in y...

Q: An analytical chemist is titrating 98.7 mL of a 0.2300M solution of isopropylamine ((CH3),CHNH,) wit...

A:

Q: d. [H]= 1 x 10-13 M e. [OH]=1 x 10-º M

A:

Q: Decide whether each molecule or polyatomic ion is polar or nonpolar. If the molecule or polyatomic i...

A: The covalent bond is formed by the sharing of electrons between the atoms.

Q: A chemical engineer is studying the following reaction: HCN(aq)+NH3(aq) → CN (aq)+NH"(aq) At the tem...

A:

Q: 12. Here are two different acidic solutions: (1) a solution with a pH of 2.30 and a concentration of...

A:

Q: For a particular reaction, AH = -14.20 kJ and AS = -198.5 J/K. Calculate AG for this reaction at 298...

A:

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the st...

A: ANS. -0.82 m3

Q: Use the information above to determine the rate of appearance of 02 between 800 and 900s.

A: Plot three graphs. (i) [N2O5] vs time If [N2O5] vs time is a straight line then the reaction is zero...

Q: 4. Classify each of the following reactions as one of these four types: • spontaneous at all tempera...

A: The solution is as follows:  

Q: Which of the following is the correct formula weight for Sodium Bicarbonate, NaHCO3?

A: Given NaHCO3