Question 3.When mixing 40 mg of a medication in 100 ml total solution, the resulting strength is ???

Q: 5. The mass of metal deposited by the electrolysis of an aqueous solution of metal ions increases in…

A:

Q: Hello! Thank you for your urgent answer.    Please continue answering the Learning Task 2.…

A: All true and false were correct. I will proceed with answering task 2.

Q: Calcium citrate (Ca3(C6H5O7)2; MM = 498.46 g/mol), a common food preservative, has a Ksp of 1.12 ×…

A: We are authorised to solve only first three subparts of a question. Please post rest of the subparts…

Q: How many atoms of oxygen are in 12.99 g in nickel (II) nitrate?

A:

Q: How many Be atoms are there in a 83.0 gram sample of Be? atoms Submit Answer Try Another Version 1…

A:

Q: 4. In a Daniel cell, the total reaction is given by Cu²+ + Zn → Zn²+ + Cu Calculate the active mass…

A:

Q: Methane and water react to form hydrogen and carbon monoxide, like this: CH4(9)+H₂O(g)-3 H₂(g)+CO(g)…

A: According to Le Chatelier's principle if there is any change in the equilibrium condition which…

Q: 9:15 Part 1 Several chemical reactions happen in bioluminescent algae. One of the most important is…

A: If energy is absorbed during a process, then reaction is endothermic and if energy is released…

Q: molarity of Ca +2 in a solution is 12.0 ppm. calculate molarity of Ca +2 (aq)

A:

Q: Arrange the following Newman projections of butane in order of energy. CH3 HCH3 CH3 H3CCH3 H CH3 Н…

A: we  have to determine order of energy for the given conformers

Q: Iron reacts with oxygen to form iron(III) oxide (Fe 2O 3). How many grams of product will be formed…

A: Weight of Fe = 125.5 gm Atomic mass of Fe = 55.85 amu Atomic mass of O = 16.00 amu Molar mass of…

Q: If Earth has an oxidizing environment, what would you expect to happen to(s) if left to sit over…

A: Given , Earth has an oxidising environment .

Q: the following bicyclichydrocarbon A) bicyclo[4.2.1]nonane B) bicyclo[4.2.1]non-3-ene C)…

A: Organic compounds can be defined as the compounds that contain carbon and hydrogen atoms in a…

Q: (f) 8 (g) NC 1. (CH3)2CuLi 2. H*/H₂O (CH3)2NH LDA C6H₂CH₂Br

A:

Q: Which of these electron configurations represents the ground state electron configuration of a d…

A: There are various types of sub levels -  1- s sub level 2- p sub level 3- d sub level 4- f sub level

Q: J If 286.2 g of calcium sulfate is dissolved in enough water to make 228.3 mL of solution, what is…

A:

Q: 2. Ate Shawol and Concertina performed electrolysis to determine the identity of an unknown metal X.…

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

Q: A 1.000 g sample of an aluminum is dissolved, and the sulfate precipitated as BaSO4. The precipitate…

A:

Q: Calculate the molality of a solution formed by adding 8.30 g NH4Cl8.30 g NH4Cl to 14.3 g14.3 g of…

A:

Q: a 그 b. ~

A:

Q: In what buffer system (PAH, SAD, or DOH) will Phoebe store the enzyme? (show calculations and…

A: The pH of a buffer solution can be determined by Henderson's equation given below. pH=pKa +…

Q: The enthalpy change in the hydrogen combustion reaction is H2(g) + O2(g) H2O(1) AH-241.8 kJ/mol.…

A:

Q: BUFFERS, HYDROLYSIS OF SALTS 1. A 0.0250 M Ca(X)2 has a pH of 8.049. Ca(X)2 is composed of a Ca2+…

A: We are authorised to solve only first three subparts of a question. Please post rest of the subparts…

Q: Please answer correct. What is the molar mass of the following compound? Include the mass to 2…

A:

Q: For each of the species below, identify any cyclic conjugated system, then: A. Determine the number…

A: Highly stable conjugated cyclic compounds that do not give addition reactions and follow the Huckel…

Q: Q Activity Chat Assignments Teams Calendar B Calls 19 Files 188 Apps 19 CHEM 20044_PS#1.pdf H,C H.C.…

A:

Q: 5. Describe the principle on which each of the following GC detectors are based: (a) flame…

A: 1) Flame ionisation detector: In this detector, a flame is used to ionise the sample ( specially…

Q: using the starting material on the left and another reagent or solvent synthesize the molecule on…

A: Detail synthetic pathway is given below

Q: 4) Intramolecular Claisen condensation is called - a) Cannizaro b) Dickmann c) Mannich 5) propanoic…

A: Detail mechanistic pathway is given below

Q: Write a balanced half-reaction describing the reduction of aqueous gold (III) cations to aqueous…

A: Write the balanced half -reaction of the reduction of- Au3+ ----> Au+

Q: How many grams of a 23.423.4% sugar solution contain 27.0 g27.0 g of sugar? g solution:

A:

Q: If you want to make 50mL of a 15% glucose solution, how many grams of glucose do you need to weigh…

A:

Q: Nucleophilic Substitution and Elimination. A Worksheet Lab. Pre-Lab 1. Identify the following…

A:

Q: What is the best sequence of steps for filling the burette with NaOH for a titration? O Lower the…

A: Burette is a laboratory equipment used in the titration experiments. It has a thin tube like…

Q: Polysaccharides are O Polymers O Acids O Proteins O Oils

A: Carbohydrates are generally hydrates of Carbon with general formula of Cx(H2O)y but this definition…

Q: R-13 is a commonly used refrigerant. What is the energy change when 250. g of R-13 goes from -60.0…

A: we have to calculate the energy change

Q: 5. A histidine residue (His146) in Hb subunit has a side chain pKa of 6.2 in the lung. Due to a…

A:

Q: Using the following -glucose, amino acid and fats hand draw and identify different classes of…

A: Structural isomers are those in which two compounds have the same molecular formula but differ in…

Q: Explain how your model shows that cellular respiration is exothermic, not endothermic.

A: Chemical reactions are of two types- exothermic and endo thermic. Exothermic reaction release energy…

Q: Sucrose consists of " Glucose + glucose Glucose + mannose Glucose + galactose Glucose + fructose

A:

Q: 4. Hydrogen peroxide decomposes via the reaction below: 2H202 -> 2H20 + 0 a. Write the rate…

A:

Q: estion 23 What is the formal charge of C in the molecule below? O a.-1 O b. +1 O c. 0 O d. +2 A…

A: Carbon monoxide molecule contain triple bond between carbon and oxygen atoms

Q: What is the volume of a 1.25 M solution if it contains 42 grams of sodium hydroxide. Volume NaOH =…

A:

Q: Calcium phosphate (Ca3(PO4)2; MM = 310.18 g/mol), a large component of human bones and teeth, has a…

A:

Q: Q No 13 Given dat hydrogen peroxide H₂O₂ is 30% by mas density = 111 g/cm³ Molarity = ?

A:

Q: Calcium citrate (Ca3(C6H5O7)2; MM = 498.46 g/mol), a common food preservative, has a Ksp of 1.12 ×…

A:

Q: If 4.0 g of O2 and 4.0 g of He are placed in a 7.86 L vessel at 16.56°C, what will be the partial…

A:

Q: How many atoms of oxygen are in 12.99 g of nickel(II) nitrate? 2.569 x 1023 1.284 x 1023 1.944 x…

A:

Q: Consider the resonance structures below. Which resonance structure is the MAJOR contributor to the…

A: The given structures represent the stability of the phenoxide ion by the resonance. Due to the…

Q: Part C - Comparing and Contrasting the Two Types of Voltage-Gated lon Channels Sort the phrases into…

A: