In an experiment done, a sample of water was found to contain 400 g of calcium per m³ of sample. Determine: (a) Parts per thousand calcium: (b)Parts per million calcium:                     (c)Parts per billion calcium:

Q: 10. According to the following balanced chemical equation, if you want to generate two moles of H2O,…

A:

Q: Calculate the rate constant, k, for a reaction at 54.0 °C that has an activation energy of 86.9…

A: Answer: This question is based on Arrhenius equation which is shown below: logk=-Ea2.303RT+logA…

Q: As part of the rock analysis, a student added hydrochloric acid to a rock sample and observed a…

A:

Q: 1- Calculate the rate law equation. Report the rate constant with its unit. What is the overall…

A:

Q: 7.0 QUESTIONS 1. Calculate the molarity of a NaOH solution if 32.02 mL of the solution neutralizes…

A: H2C2O4.2H2O + 2NaOH→Na2C2O4 +  2H2O At equivalence point 2 x…

Q: 2Al(s)+3CuCl2(aq)→3Cu(s)+2AlCl3(aq) A piece of aluminum metal is placed in an aqueous solution of…

A:

Q: The Ksp for  Hg2CrO4  at a certain temperature is equal to 2.12x10-9 . What is the molar solubility…

A:

Q: Consider the reaction: 2BRF3(g) >Br2(g) + 3F2(g) Using standard thermodynamic data at 298K,…

A:

Q: All macromolecules, except are polymers. O RNA O carbohydrates O proteins O lipids O DNA

A: Monomers combine together to form polymers . All macromolecules including proteins , carbohydrates…

Q: Use the References to access important values if needed for this question. For the reaction PHBR(g)…

A:

Q: Question 36 Which of the following gases is monatomic? O Okygen O Nitrogen O Argon O Hvdrogen O…

A: Since you have asked multiple type questions, we will solve only first  questions for you. If you…

Q: ouer give the major produt of thisradica reaction.? 유 AIBN Product? Ph Ph HSn Bu By

A:

Q: ulate the pH of a solution prepared by dissolving 1.90 g of sodium acetate, CH,COONA, in 85.0 ml of…

A: Given, Mass of Sodium Acetate = 1.90 g Moles of Sodium Acetate = 1.90/82         = 0.0232 mol Moles…

Q: (a)Determine the molality of a 10% w/w solution if the molecular weight of the solute is 120 g/mol.…

A: All the necessary calculations have been done in the following step.

Q: Consider the reaction data. A → products T (K) k (s-1) 225 0.372 625 0.611 What two points should be…

A: Here we are required to find the activation energy of the reaction

Q: Calculate the freezing point, T, and boiling point, Tb, of a solution containing 10.0 g of…

A: Given: Mass of solute naphthalene = 10.0 g. Volume of benzene = 100.0 mL  And density of benzene =…

Q: Calculate the pH of a buffer solution prepared by dissolving 0.20 mole of cyanic acid (HCNO) and…

A:

Q: If a standard dose of warfarin is 28mg/kg how much of your medication in grams, would you give if…

A: Given: Dose = 28 mg/Kg weight Weight of patient = 177 lbs Number of tablets consumed = 4 And the…

Q: You are tasked to prepare a 0.5 L of HCl solution with a concentration of 0.04 M. How will you do…

A: Given that -  % HCl Solution = 35%  Volume of new HCl Solution = 0.5 L = 500 mL (V2) Molarity of new…

Q: 1. You need to make 125ml of Polyacrylamide (solid) to make the gel at different percentages. Show a…

A: M/V% = ( mass solid / volume solution ) x 100 so here : A) M/V % = 5 % V = 125 mL putting values : 5…

Q: A chemist performs a gravimetric analysis. The chemist combines 1.00L of 2.00MAgNO3(aq) with 1.00L…

A:

Q: Predict the major, organic product for the following reaction sequence. NH2 A 1) Н-С 2) CH2

A: Here we have to write the final major product formed in the following given sequence of reactions.

Q: How many joules are required to boil 200 grams of water?   350 000 J   452 000 J   500 000 J…

A:

Q: NaOEt, EIOH H. H20 then H,O*

A:

Q: A 1.00 m3 container holds a sample of O2 gas. At 287 K the pressure of the container is 1.06 x 105…

A:

Q: During which segments could heat of fusion be determined? 2.During which segments could heat of…

A: During the phase change there is no change in temperature because all the heat is absorbed in…

Q: Consider the reaction: A+2B -->C delta S° (A) = 138.22 J/molK delta g (B) = 235.87 J/molk delta g°…

A: Given reaction is :  A + 2B ---------> C  ΔS0 of A = 138.22 J/mol.K  ΔS0 of B = 235.87 J/mol.K…

Q: 4 Which of the following ketones has the lowest boliling point? CH 3 to. 1 b. 4 C. 3 d. 2 5. What is…

A: 4) Boiling point is depends on intermolecular forces of attraction between the molecules. If…

Q: The pH of a Ba(OH) 2 solution is 10.00. What is

A: pH is equal to the negative logarithm of hydrogen ions

Q: handwritten

A: According to the question, we need to determine the value of ∆G at T= 298 K for the reaction: N2(g)…

Q: A bomb calorimeter, or constant volume calorimeter, is a device often used to determine the heat of…

A: Heat capacity of calorimeter is calculated by using formula :  Heat capacity = Heat absorbed by…

Q: A certain compound (molar mass = 561.06 g/mol) has a ΔHvap = 18.6 kJ/mol. How much heat (in kJ) is…

A:

Q: - 6. CH2CHCH2 (propene or propylene) Projection Drawing: Perspective Drawing: a. Predict the angle…

A: Propene is unsaturated hydrocarbon . In the propene molecule two types of carbon present carbon(c1)…

Q: d. HO. 2 NaO OH OMe e. Ph 2 equiv. 6 O 1. CH2 -C=C -mgBlam 2 CH2+125 C Ex OMe Ph Ph. OH f. OH NH…

A:

Q: For the reaction P40 10(s) + 6 H20(1) 4 H3PO4(aq) AG° = -448.9 kJ and AS° = -16.3 J/K at 261 K and 1…

A:

Q: For each titration below, determine the most suitable indicator among choices provided. a)  0.10 M…

A: Answer: In the acid-base titration indicator is the substance that changes its color at the end…

Q: H. 10)18.0 grams H20- maies of

A:

Q: (1) Identify each of the following half-reactions as either an oxidation half- reaction or a…

A: 1.) Oxidation is the lose of electrons and reduction is gain of hydrogen.  So type of reaction is…

Q: 2. Write in the products of these reactions: a) NaOCH3 CH2-CH-CH2B CH3 b) NaOCH3 Br CH2CCH3 CH3

A: Primary alkyl halide with strong base will give SN2 product  Tertiary alkyl halide with strong base…

Q: Which calorie source is more concentrated: fat or carbohydrate? Explain your response.

A: Fat is  more concentrated source of calories than carbohydrate. Even fat is more calorie…

Q: True/False: This transition state will result in a syn-aldol product: O True False

A:

Q: An aqueous solution of ferric hydroxide has a specific gravity of 1.25 and a weight fraction of…

A: Given ,  Specific gravity or density = 1.25  Weight fraction of solute = 0.15g  To calculate…

Q: A student ran the following reaction in the laboratory at 658 K: 2 NH3 (g) N2 (g) + 3 H2 () When she…

A:

Q: emist fills a reaction vessel with 0.137 g calcium phosphate (Ca (PO. solid, 0.349 M calcium (Ca)…

A:

Q: Suppose that a chemical equation can be written as the sum of two other chemical equations. If two…

A: Given-> ∆H for first reaction (∆H1) = -658 KJ ∆H for second reaction (∆H2) = +458 KJ

Q: 1. Write an equation for the preparation of each of the following compounds   a)…

A:

Q: Use the References to access important values if needed for this question. Enter electrons as e".…

A:

Q: 1- Calculate the rate law equation. Report the rate constant with its unit. What is the overall…

A: The rate can be calculated as follows

Q: H;C-CH(CH;)COH c) H;C-CH(CH-)COCH;CHs b) H;C=CH(CH,)COK* d) H;C-CH(CH-)CNH CHs

A: In the given problem, all are carboxylic acid so we write the name according to them. 1. IUPAC…

Q: What is the solubility, the pH, and reaction of carboxylic acids?

A: Carboxylic acid contain COOH functional group. There are various organic reactions in which…