How many moles of thiocyanate ion are there in 2.0 ml of 0.00400 M KSCN

Q: Calculate the molar masses of the following substance. Gold NaOH (Sodium hydroxide) Mercury KMnO4 (...

A: Molar mass: The mass per mole of a chemical substances calculated by adding the molar mass of indivi...

Q: At 3000 K, the partial pressures of CO2, CÓ and O2 are 0.6, 0.4 and 0.2 atm, respectively. Calculate...

A: Temperature = 3000 K  Reaction :-  2CO2(g) <--------> 2CO(g) + O2(g) 

Q: In the balanced equation: I+ 5C12 + 6H;0 2HIO, + 10HCL a. What element was reduced? b. What element ...

A: The addition of electrons or decreases in the oxidation state is known as a reduction reaction and t...

Q: An iron ore has a 55% Fe2O3 with 5% moisture content. What is the Percentage of Fe2O3 in a dry basis...

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Q: Count: Carbons O Hydrogens O lone pairs sp3 atoms sp? atoms sp atoms O unhybridized atoms Significan...

A: The solution has been given below

Q: a company is making a salt nacl solution for medical use each bottle contains 200 ml of salt solutio...

A: The mass of solute in gram present in 100 mL of solution is known as the mass percent concentration ...

Q: Starting from the universal gas constant (R = 0.0821 · mol-K ), determine the volume (in L) occupied...

A: Given, n=2.45 moles  T= 305K  P= 0.956atm  V=? Complete solution is given below in next step 

Q: Identify the classification of drug metabolism and specific type of reaction involved in each drug s...

A: The answer is as follows:  

Q: It was found out that 2.0 kg of sucrose can dissolve per liter of water at 25°C. How many tablespoon...

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Q: Propose a synthesis of the following: A) OH осн, но- B) CH, CH3 H3C OH H3C. CH H3C.

A: We are required to  design  synthesis for a certain chemical reaction using different reagent to pro...

Q: Chromate ions react according to the following equation, where the left side of the reaction is yell...

A: Le Chatelier's Principle : is the principle used to predict the effect of a change in conditions on ...

Q: Estimate the biomass yield of proponic acid (CH3CH2COOH) from both the stoichiometry and bioenergeti...

A: Solution                                 Given that the biomass yield of proponic acid (CH3CH2COOH...

Q: The specific heat of a certain type of metal is 0.128 J/(g.°C). What is the final temperature if 305...

A: The heat (q) absorbed or removed by a metal or compound can be calculated by the mass of the compoun...

Q: 9) It takes 254 kJ/mol to eject electrons from a certain metal surface. What is the longest waveleng...

A: Given,  Energy = 254 kJ/mol 

Q: . 2.00 grams of Sodium hydroxide was dissolved in water up to 500 mL. Calculate the Normality of the...

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Q: What is the hydronium and hydroxide ion concentration of pure water at 100°C? (Kw = 49 x 10-14) a. [...

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Q: Draw the products of the reaction shown. Electron flow is indicated with curved arrows. :ÖH :ö: H3C ...

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Q: Design a procedure on how you will prepare 1.25 M table sugar (C12H22O11) solution and 1.25 M table ...

A:  To prepare 1.25 M table sugar (C12H22O11)solution and 1.25 M table salt (NaCl) solution diluted to ...

Q: 13)The frequency of electromagnetic radiation required to promote an electron from n = 2 to n = 4 in...

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Q: Question 9 . Which of the following statement/s islare TRUE? I. Electrochemistry deals with the phys...

A: There are several terms, we have to check which are true.

Q: owing from question 3, is it possible to separate aspirin from paracetamol using a liquid-liquid act...

A: We have to tell is it possible to separate aspirin from paracetamol.

Q: The graph below represents the titration of 100.0 mL of 0.100 M H2SO3 with 0.200 M NaOH at 25 °C. Wh...

A: A question based on acid-base titration that is to be accomplished.

Q: (5) The emissions from a manufacturing process contain gaseous pollutant that cause odors and fumes....

A: Introduction :  Change in enthalpy is defined as the amount of heat change taking place at constant ...

Q: What are the physical properties of an artificial food dyes? What are the chemical properties of an...

A: Food dyes are chemical substances that were developed to enhance the appearance of food by giving it...

Q: 2. The concentration of NH4CI solution (aqueous solution) is 33.5% by mass. If the mass of solution ...

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Q: What is the cell potential for the following reaction at 298.15 K? Y(s) + z2*(0.010 M) – y2*(0.0010 ...

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Q: The prevailing atmospheric pressure on a plateau in Colorado is 0.786 atm. Express this pressure in ...

A: Given :- pressure = 0.786 atm  To calculate :- given pressure in ;  psi  KPa  Pa  mm Hg  in Hg

Q: 4. What mass of NH3 is produced from 12 grams of H2?

A: Here we have to determine the mass of NH3 produced when 12 grams of H2 reacts with excess amount of ...

Q: Measurements show that the enthalpy of a mixture of gaseous reactants decreases by 278. kJ during a ...

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Q: Determine whether the following salt when dissolved in water will produce an acidic, basic or neutra...

A: A salt is formed from by the neutralization reaction between an acid and a base. If a strong base is...

Q: Draw the electron correlation diagram for O2. a. Identify which combinations of atomic orbitals for...

A: We have to draw the molecular orbital diagram of O2

Q: xplain how you can use the concept of crystals. Give at least two situations or examples where its i...

A: Answer - Crystal Crystals are solid materials where atoms and molecules are arranged in a highly or...

Q: Draw curved arrows to show electron reorganization for the reaction step below. Arrow-pushing Instru...

A: In this curved arrow reaction, one of the carbon atom of double bond takes proton of HBr and HBr bon...

Q: AutoSave Book1 - Excel File Home Insert Page Layout Formulas Data Review fx Σ Insert AutoSum Recentl...

A: To find Milli moles as we know it is no. of moles multiply by 1000.  And hence to find no. of moles ...

Q: 0.02 M NaOH reagent was standardized using 0.1000 g Potassium hydrogen phthalate (204.22 g/mol) and ...

A: Given:-  Mass of Potassium hydrogen phthalate  = 0.1000g  Molar mass of Potassium hydrogen phthalate...

Q: mass

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Q: JJ Techie calcined some ceramic powders at 1600℃ for 12 hrs, when removed from the furnace, JJ was u...

A: As JJ  Techie tried for the calcination of the ceramic powders at  16000C for about 12 hours, the pr...

Q: Sulfuric acid, H2SO4, is added to a total volume of 100 mL to make a 0.150 M solution. How many mL o...

A: Equivalence point of titration is the point at which the amount of titrant added became excess to ne...

Q: Finish each Newman Projection to represent the given

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Q: A chemist determines by measurements that 0.075 moles of bromine liquid participate in a chemical re...

A: Given value -  Moles of Br2 = 0.075 moles, Molar mass = 159.808 g mol-1  Then,  

Q: It was found out that 2.0 kg of sucrose can dissolve per liter of water at 25°C. How many tablespoon...

A:

Q: A 9.58 L balloon under standard atmospheric pressure and temperature is taken on an airplane to a he...

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Q: When 0.200 mol of CaCO₃(s) and 0.300 mol of CaO(s) are placed in an evacuated, sealed 10.0-L contain...

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Q: A chemist measures the amount of fluorine gas produced during an experiment. He finds that 495. g of...

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Q: The acid ionization constant for Fe(H20)6²+(aq) is 3.0×10-6. Calculate the pH of a 0.0254 M solution...

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Q: Question 20 Which of the following is false? Lemons reflect large amounts of light from the red part...

A: Cones are active at higher light levels and  are capable of color vision.

Q: Draw a structural formula for the more stable carbocation intermediate formed in the reaction shown....

A: In first step is addtion of the H+ion lead to form the carbonation . And in this rearrangement possi...

Q: What solvent would you use to differentiate compound A from compound B? Compound A Compound B CH3CCH...

A: The small aldehydes and ketones are freely soluble in water but solubility falls with chain length. ...

Q: The annual production of sulfur dioxide from burning coal and fossil fuels, auto exhaust, and other ...

A: Sulfur reacts with oxygen to form sulfur dioxide. The equation for the balanced chemical reaction is...

Q: 2. A 0.20 M lactic acid (HC3H5O3) solution has a pH of 2.28. Calculate the acid-dissociation constan...

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