How many grams of NaCl are in a 5.89 mol/kg solution that was made from 979.5 g of water?

Q: An isotope of element A contains the same number of neutrons as are found in an atom of $1V. The iso...

A: Atomic number of the elements indicates the number of protons present in the particular atom.  Mass ...

Q: Part A At 100 C. K so, Cla(9) soz (9) + Cla(9) In an equilbrium mixture of three gases, the concentr...

A: Given data : 1. Kc = 0.078 2. Temperature (T) 100oC = 100+273 k 3 .[SO2Cl2]=9.50×10-2M 4. [SO2] = 9....

Q: equilibrium constant

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Q: An engineer turns the temperature of a gas down, holding the volume constant at 1,250 L. Initially, ...

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Q: rate =k

A: Since you have asked multiparts, we will solve the first three subparts for you. If you want any spe...

Q: Explain the difference between a colloidal and a crystalline precipitate.

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Q: 2. For a certain gas, the VDW constant are a= 6.69 atm-liter/mol? and b= 0.057 liter/mol. What will ...

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Q: Identify which statements regarding acid strength are true and which are false. HCl is a stronger ac...

A: If the compound can donate easily H+ ions it will be a strong acid. 

Q: On dissolving 7.258 gm of HCN (Ka=7.2x10 1) in water, the solution become 100 ml so the degree of io...

A: HCN is a Weak acid the degree of dissociation of a weak acid or base or an electrolyte was explained...

Q: Elucidate the bonding of the following complexes according to the valence-bond theory approach: (a) ...

A: Given,  (a) [Ni(NO2)4]2- (b) [Cr(CO)6]3+   

Q: Choose the mechanism that forms the main product of the following reaction. Er ONa CH3CHOH calor

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Q: Explain the order of chemical shifts of the carbon atoms in the 13C spectra of cyclohexanone (fig 22...

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Q: Can you make a suggestion for a research topic about disaster risk? or any topic that can be modifie...

A: Sure.

Q: 241 95Am + He - b. 2Ra 226 He +

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Q: Define the term symmetry operations.

A: Define the term symmetry operations.

Q: Part A Silver has two naturaly occurring isotopes (Ag-107 and Ag - 109). Use the periodio table to f...

A: • We need to determine the atomic mass of silver using the periodic table.   

Q: Pick out the isomer you regard as the most stable from Question 7 and calculate its steric energy. c...

A: Steric energy is emmerged due to the steric strain.  If there is a seric hindrance then it will caus...

Q: We find the following statement in a chemistry textbook: "At pH7.0 and 0.01 M Mg lon, the standard f...

A: Given that, at pH 7.0 and 0.01 Mg2+ ion, the standard free energy change for ATP hydrolysis is -28 k...

Q: Ceramic O Polymer Composite O Metal

A: What is given in the picture and the year 1800's is the start of what ? Answer is given below.

Q: 3. Solve the following. Express the appropriate number of significant figures. Show your solutions. ...

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Q: A type of ceramic with a mixture of lime (CaO), silica, (Si)2), and alumna (Al203) which sets when m...

A: A ceramic is any kind of material made from inorganic nonmetallic material which possess the propert...

Q: Write the chemical reaction involved in the reactions of hydrocarbon. Test: Ignition Substances: (a...

A: Ignition is the process of combustion of a substance in the present open air.  Complete ignition of ...

Q: toms are there in 400.5 grams of Silicon? A V-M. G a. b. 6.77 X 1027 atoms 8.58 X 1024 atoms С. 1.50...

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Q: 1. Use the Rule of 13 as well as the isotopic ratio (M, M+1, etc.) to determine a molecular formula ...

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Q: Water and Varasol (a paint thinner) are immiscible liquids (they stay separate when you try to mix t...

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Q: Hydrogen and iodine react to give hydrogen monoiodide as follows: H2 (g) + I2 (9) –→ 2HI(g) At 300 K...

A: Equilibrium constant Kc depends on concentration of reactant and product which are in gaseous state....

Q: 1. What is the volume (in liters) occupied by 49.8 g of HCl at STP? > II

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Q: 1. a) Determine the bond order of emphasized atoms in the following molecules and then ran! them in ...

A: Since part (b) of the question is incomplete, we will solve part (a) for you. To get the remaining s...

Q: Determine what could be the best solvent to differentiate anthracene and benzylamine based on their ...

A:

Q: CH3 H3C H3C Name:

A: Rules for IUPAC Nomenclature of Aldehyde: 1. Choose the longest chain for parent naming. Aldehydes t...

Q: The breaking buffer that we use this week contains 10mM Tris, pH 8.0, 150mM NaCl. The elution buffer...

A:

Q: Suppose you have an 8-hour ozone value of 0.078 ppm, a PM2.5 value of 35.9 ug/m3, and a CO value of ...

A: AQI stands for Air Quality Index which serves as a means to measure the extent of Air Pollution.Air ...

Q: Please answer both the parts otherwise I'll downvote

A: The answer are as follows:  

Q: An analytical chemist is titrating 71.3 ml of a 1.000M solution of formic acid (H,CO,) with a 0.6600...

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Q: How many grams of NaOH must be added to 1.00 L of water to make a 15.0% NaOH solution?

A: Given data: The volume of solution = 1 L  %wV = 15.0 %

Q: 1. The reaction between the iodine(I) cation and the pyridine is best understood as a Lewis acid- Le...

A: 1. We have to write the chemical equation for the reaction between the iodine (I) cation and the pyr...

Q: What mass of cobalt III hydroxide, Co(OH)3 is needed to make 5.2 liters of a 0.21 M cobalt III hydro...

A:

Q: The indigo dye used to color blue jeans has the formula C6H1ON2O2. How many molecules of indigo are ...

A: Given :- amount of C6H10N2O2 = 50.0 g  To calculate :- total number of C6H10N2O2 molecules

Q: CH2OH CH,OH HO and но - OH он OH но OH он

A: If configuration of substituents change only at one position all other have same configuration then ...

Q: 1. Lime (CaO) is made by heating limestone in a kiln at 900°C. Using enthalpies of formation, TABLE ...

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

Q: time (s) [Ser] at T=335 0.150 0.143 20 0.120 40 0.090 90 0.015 75 0.038 What is the time necessary f...

A: It is a zero order reaction. Due to change in concentration is directly proportional to time.

Q: Calculate the pH of a solution that is 0.000846M HBr and 0.00125 M HCIO4. Answer:

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Q: 1. Calculate the grams of K2SO4 required to make 350.0 mL of a 0.57 M K2SO4 solution. 2. How many L ...

A: Note: As per our company guideline we can answer only three subparts. Kindly repost the question men...

Q: Which of the following is not a property required of the substance chosen for use as a precipitate i...

A: Introduction :  Gravimetric Analysis is a technique through which the amount of an analyte can be de...

Q: Compute the empirical formula of the following: 19.1% Sn and 80.9% I

A: Empirical formula of the compound can be calculate with the help of percentage composition of elemen...

Q: mass

A:

Q: To which of the following would the addition of an equal volume of 0.60 M NAOH lead to a solution ha...

A: Since, PH=-log[H+]

Q: How do you use a ICE chart to determine the pH of vinegar? Ka of acetic acid = 1.8*10^-5

A:

Q: 17. A solution is prepared by dissolving 32.5 g of glucose (180.156 g/mol) in 593. g of water (18.01...

A: Molality is defined as the number of moles of solute dissolve in 1kg or 1000g of solvent.  So here w...

Q: The mass of HgBr2 precipitated when 15.00 mL of 0.337 M Hg(NO3)2 solution is added to excess KBr sol...

A: Given, Concentration of Hg(NO3)2 solution = 0.337 M = 0.337 mol/L Volume of Hg(NO3)2 solution = 15.0...