I. Define the following terms: l. Head and body cream m. All purpose and general cream n. Medicated cream

Q: Consider the diprotic acid H2A with K1  =1.00 x 10^-4 and K2 = 1.00 x 10^-8. Find the pH and concent...

A: K1 = 1 × 10-4  K2 = 1 × 10-8

Q: Tutored Practice Problem 4.5.6 COUNTS TOWARDS GRADE Close Problem Use solution stoichiometry. Calcul...

A: Using stoichiometric ratio of balanced reaction we can calculate how much reactants are used and how...

Q: hat is the percent yield if the combustion of gasoline results in 627 grams of steam produced when a...

A: Given : We have to calculate the percentage yield .

Q: A gas sample has a pressure of 0.997 atm at a temperature of 21.3 °C. If the pressure decreases to 0...

A: Given,         the pressure of the gas (P1)=0.997 atm          temperature (T1)=21.3 °C =21.3+273 =2...

Q: Glu is first, His is second, and Arg is last to elute from the column.

A: In this question we have to choose Correct option of the separate Glu, Arg and His using a cation - ...

Q: Direction: Answer the follow ing in your answer sheet. 1. In each pair of aqueous systems, which wil...

A: Since you have posted multiple questions as per guidelines we can answer only one per session. If yo...

Q: What is the freezing point of a solution in which 20.0 grams of sucrose (C12H22O12) is dissolved in ...

A: Given, mass of sucrose = 20.0 grams Molar mass of sucrose = 342.3 g/mol Mass of solvent = 400 grams ...

Q: At 25oC the vapor pressure of pure benzene is 93.9 torr. When a non-volatile solvent is dissolved in...

A:

Q: 1) a kcl a Kcl solution has concentra - a tjon of 2 4 ce ppb what of Kcl is contained mass of this s...

A: Concentration of a solution defines the amount of solute present in a given amount of solution. 1 pp...

Q: 1.7 Calculate the molar volume of chlorine gas at 350 K and 2.30 atm using (a) the perfect gas law a...

A: Given data :- Temperature (T) = 350 K Pressure (P) = 2.30 atm

Q: 2 Ni(NO3)3 + 3 K2SO4 → Ni2(SO4)3 + 6 KNO3 How many moles of KNO3 are produced if 345 g of Ni(NO3)3 ...

A: How many moles of KNO3 are produced if 345 g of Ni(NO3)3 reacts?

Q: Calculate the pH of the cathode compartment for the following reaction given Ecell = 3.01 V when Cr*...

A: We know that., PH  =  - log [H+]  

Q: An empty steel container is filled with 0.0620 atm of HF. The system is allowed to reach equilibrium...

A: The equilibrium constant (Kp) of a reaction is the ratio between partial pressure of product the the...

Q: ny grams o

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

Q: moles

A:

Q: PROBLEM: The molecular scenes below represent samples of four HA/A- buffers. (HA is RED and GREEN, A...

A:

Q: silver nitrate + copper + silver + copper nitrate How many electrons does each silver ion gain?

A: Given reaction : silver nitrate + copper → silver + copper nitrate Silver nitrate = AgNO3 Copper = C...

Q: A 1 liter solution contains 0.429 M acetic acid and 0.572 M potassium acetate. Addition of 0.107 mol...

A: Answer: Solution of acetic acid and potassium acetate will be a buffer solution.

Q: 2.00 L container at 22.00C contains a mixture of 1.00 g H2 (g) and 1.00 g H2(g) and 1.00 g He(g). a....

A:

Q: Consider the following reactions: Reaction 1: HC1O, + KOH → KC1O, + H;O Reaction 2: HC;H;O2 + KOH → ...

A:

Q: Me so, (b) H2SO4

A:

Q: The radioactive isotope Pu-238, used in pacemakers, has a half-life of 87.7 years. If 1.9 milligrams...

A: Given : Half - life = 87.7 years Initial Pu-238 = 1.9 mg

Q: In a solutions, it is a substance that is usually present in greatest amount is known as? Select on...

A:

Q: a. What is the pH of a buffer solution that is 0.12 M NH3 and 0.12 M NH4+? К, for NH3 is 1.8 x 10-5....

A: Given that, a buffer solution has 0.12 M of NH3 and 0.12 M of NH4+. The Kb of NH3 is 1.8×10-5. a. We...

Q: Metallic calcium crystallized in a face-centered cubic lattice and the atomic radius of calcium is 1...

A:

Q: moles

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

Q: What is the density of methane gas, CH4 at STP?

A: STP means standard temperature and pressure  Temperature is 0°C or 273 K  Pressure is 1 atm 

Q: Name the products which are formed: a) by intermolecular dehydration between two moles of methanol b...

A:

Q: HCl(g) + O2(g)  H2O(l) + Cl2(g) , then Kc = [Cl2] / [HCl][O2] true or false

A: Given :-  HCl(g) + O2(g) <-----> H2O(l) + Cl2(g)  Kc = [Cl2]/[HCl][O2]  To determine :-  Wheth...

Q: Describe the solubility property of animal oil and plant oil in different solvents and solutions. Ca...

A: Solubility factors

Q: ASK YOUR TEACHER Consider the following mechanism. (1) CIO (aq) + H20(1) = HCIO(aq) + OH (aq) [fast]...

A:

Q: A sample of 7.92 g of Mg(OH)2 is added to 24.2 mL of 0.225 MΗΝΟ, . Part D How many moles of HNO3 are...

A: Given: Mass of Mg(OH)2 = 7.92 g. Concentration of HNO3 = 0.225 M And volume of HNO3 taken = 24.2 mL ...

Q: Which step in the anaplerotic reaction would be compromised during hypoglycemia?

A: Anaplerosis is the act of replenish TCA cycle which have been extracted for biosynthesis (in what ar...

Q: Question 4 of 24 Submit Write the formula of the conjugate base of the Brønsted-Lowry acid, HCIO,

A:

Q: Which is the most thermodynamically stable state of As? a.H3AsO3 b.H3AsO4 c.AsH3 d.As Which species...

A: Thermodynamic stable means stable due to changes of heat or enegy , it can by with the help of the s...

Q: The concentration of hydroxide ion in an aqueous solution at 25°C is 4.2 x 10 M. What is the concent...

A: Given : Concentration of OH- ion = 4.2 x 10-4 M

Q: 60.0 mL of a 0.800M NaCl solution is mixed with 80.0 mL of a 0.500M KBr solution. What is the new co...

A: Answer: Molarity is an intensive property which is the ratio of two extensive properties, moles and ...

Q: 1. Zn + HCI -> ZnCl2 + H2 Left Right Zn H. CI 2. Cao HCI -> CaCl2 + H20 + Left Right Ca CI 3. Na H,S...

A: We are given five reaction and we have to balance each of them.,  

Q: introduction to thermochemistry

A:

Q: U-235 collided with a neutron resulting to a nuclear fission producing La-145, Br-88, neutrons and e...

A: Answer: Amount of energy produced can be calculated by finding out the mass lost during the formatio...

Q: Consider this system at equilibrium. A(aq) = B(aq) AH = -650 kJ/mol What can be said about Q and K i...

A:

Q: For the first-order decomposition of N;Os at 340 K where k = 5.80 × 10-3s-', calculate the concentra...

A:

Q: Find the percent composition of each element in Sodium Citrate (Na3C6H5O7)

A: Percent composition:  It is defined as the ratio of the amount of element to the total amount of the...

Q: A 10.0 g sample of sucrose (C12H22011) was dissolved in 200.0 g of water. What is the vapor pressure...

A: Given : Mass of sample = 10g   

Q: What is the equivalent weight of H2SO4? Select one: a. 98 g/equiv b. 44 g/equiv c. 96 g/equiv d. 49 ...

A:

Q: 2 Ni(NO3)3 + 3 K2SO4 → Ni2(SO4)3 + 6 KNO3 How many g of Ni2(SO4)3 are produced if 48.6 g Ni(NO3)3 r...

A: Given :-  2 Ni(NO3)3 + 3 K2SO4 → Ni2(SO4)3 + 6 KNO3  Mass of Ni(NO3)3 = 48.6 g  To be calculated :- ...

Q: (2) Provide background Information on multi-walled carbon nanotubes (MWCNTS): structure, morphology,...

A:

Q: Give 2 examples of High performance liquid chromatography (HPLC) on how or when it is recommended to...

A: High performance liquid chromatography is the modification of liquid chromatography. Now a days it i...

Q: What mass of nalt (NaCI) ahould you add to 1.00 L of water in an ice cream maker to make a solution ...

A: Since you have posted multiple questions, we are entited to answer the first only. Given: Volume of ...

Q: Match the term with the correct description:

A: Sulphate aerosols are fine particles of sulphate. These are formed due to biogenic emissions of plan...