What is the theoretical yield of iron in grams if 67 g of CO are reacted with 72 g of Fe2O3? Determine the percent yield if the actual yield of iron is 45 g?

Q: A 25.00 mL solution of 0.08880 M Nal is titrated with 0.05200 M AgNO,. Calculate pAg* following the ...

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Q: O CHEMICAL REACTIONS Writing the net equation for a sequence of reactions Manganese commonly occurs ...

A: To write the net chemical equation of the given two steps involved, we have to identify the common c...

Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used t...

A: CALCULATION OF SPECIFIC HEAT CAPACITY

Q: How many grams of ascorbic acid and mL of 0.1M sodium hydroxide must be added to 100 mL of water to ...

A: Given: Concentration of NaOH = 0.1 M pH = 3.9 Total concentration = 0.25, 0.5, and 0.1mM ka of ascor...

Q: A sample of 7.50 mol of gas in a 10.00 L container is at 45.0 °C. What is the pressure of the gas?

A: We would Calculate pressure of the gas using ideal gas equation. 

Q: At a certain temperature the vapor pressure of pure water is measured to be 246. mmHg. Suppose a sol...

A: Vapour pressure of pure water = 246 mmHg  Mass of water = 120 g  Mass of acetone = 93.5 g

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 748.0 mg sample...

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Q: Fill out the chart that will illustrate the ranges of color change for the following acid-base indic...

A: pH is defined as negative logarithm of hydrogen ions.

Q: IV. Determine if the solid sample is IONIC, COVALENT, MOLECULAR or METALLIC _1. Dry ice 2. Graphite ...

A: Ionic solid is composed of positive and negative ions. Ions having positive charge is called positiv...

Q: Energy A 30. Use the molecular orbital diagram to figure out the electronic configuration for N2. Th...

A: We have to use molecular orbital diagram to solve this problem

Q: A substituent needs to be added to the reactant to allow the following reaction to occur. Which of t...

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Q: Display the groups of the periodic table and their charges.

A: There are 18 groups in periodic table as follows : Group 1- Alkali metal Group 2- Alkaline earth me...

Q: A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gas...

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Q: Does phosphine or methane have stronger intermolecular forces?

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Q: A 32.8 mL sample of a 0.511 M aqueous nitrous acid solution is titrated with a 0.385 M aqueous potas...

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Q: If the structure below is alkyl halide that undergoes elimination, what would be the structure of th...

A: Haloalkanes undergo elimination reaction (dehydrohalogenation) on heating with KOH in presence of C2...

Q: For most solid solutes, as temperature is increases, solubility

A: As the temperature of the solution increases, the average kinetic energy of solute molecules also in...

Q: oxidation number

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Q: 2.Provide the most probable reagent(s) to accomplish the following reaction: HO

A: According to Bartleby guidelines we can answer only one question, So i have solved the first one and...

Q: e percentage abundance

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Q: O THERMOCHEMISTRY Using specific heat capacity to find temperature change A chemical reaction takes ...

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Q: Predict the product of the reaction for this compound given the reagents.  Hg(OAc)2 then NaBH4 BH3 ...

A: We have to find the product when reactant reacts with the given above reagent. 

Q: The equilibrium constant (K,) for the reaction below is 50.2 at 445°C. If the equilibrium pressure o...

A: From the equilibrium constant Kp expression, equilibrium pressure for HI will be calculated as shown...

Q: Mass of Moles of Amount of Moles of NAHCO3 NAHCO3 Acetic Acid Acetic Acid 6g 0.0714 mol 30mL WHAT IS...

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Q: Consider the same 1.0 M solution of H2A (Ka1 = 1 x 10-6 and K22 = 1 x 10-1 What is the concentration...

A: The concentration is taken same ie 1 molar in each case ie H2A and HA-.

Q: make a statement of the problem and a hypothesis for both questions, the statement of the problem sh...

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: If the Haber process favors the left side of the reaction in terms of equilibrium, how can you incre...

A: In Haber process, formation of NH3 takes place following the chemical equation:  N2(g) + 3H2(g) ----...

Q: Predict the product of the reaction for this compound given the reagents.  H2/Pt Br2 Cl2 then H2O H...

A: 1- H2 Pt are the reducing agents. It reduced alkene to alkane.

Q: 0.01 L of 0.5 M Na2CO3 reacts with 0.005 L of 1.0 M CaCl2. A temperature change of -0.5 deg C is rec...

A: The formula which is used for this is shown below. q = mC∆T

Q: A major component of gasoline is octane (C,H3). When liquid octane is burned in air it reacts with o...

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Q: R-X HO, X = CI, Br, I R HO,

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Q: Find ∆H as a function of T for the reaction: CO2 (g) + C (s, graphite) = CO Given that ∆H 293= 41,40...

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Q: Solve them all. a. What is the freezing point of 0.251 m urea in water? b. What is the boiling poi...

A: Given :  Molality of urea solution = 0.251 m  Molality of lactose = 0.200 m 

Q: Part II. Problem Solving: Solve the following problems. Show your complete solution. Express your fi...

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Q: 2.* ) Use either one of the chair cyclohexane templates I've provided below to draw the given compou...

A: If the bulky groups/substituents on the cyclohexane ring are at equatorial position, then there will...

Q: This is the chemical formula for talc (the main ingredient in talcum powder): Mg3 (Si,Os),(OH), An a...

A: We can determine Moles of silicon by using unitary method

Q: How to find percentage of chlorine in agcl

A: Percentage of an atom is the ratio of  molecular weight of atom present in the given molecule and Mo...

Q: Me „CHO CO2E Me + Ph3Ps .CO2E† Me CH2CI2 Me 0: Me Me 40 °C, 60 min, 89 % (3 steps) Me See the Wittig...

A: Wittig reaction is an organic chemical reaction wherein an aldehyde or a ketone is reacted with a Wi...

Q: A mixture of two enantiomers has as observed rotation of -18°. The specific rotation of the (-) enan...

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Q: What is the pH of a 0.125M oxalic acid (HOOCCOOH) solution at 25 degrees C? [pKa1=1.25 and pKa2=3.81...

A: Given,  The pH of a 0.125M oxalic acid (HOOCCOOH) solution at 25 °C is:[pKa1=1.25 and pKa2=3.81]

Q: Suppose a 500, ml flask is filled with 1.6 mol of CO, 1.7 mol of NO and 1,8 mol of CO,. The followin...

A: Number of moles of CO = 1.6 mol  Number of moles of NO = 1.7 mol  Number of moles of CO2 = 3.6 

Q: Identifying the isoelectric point (pl) and net charge of a dipeptide 8 - HS, -2 +H3N° 11 HIN

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Q: Calcium carbonate (CaCO3) is a compound used as an antacid and as means of replenishing calcium in d...

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Q: Measurements show that the enthalpy of a mls constant pressure. Furthermore, by carefully monitoring...

A: ∆H = ∆U + P∆V ∆H = change in enthalpy  ∆U = change in Energy P∆V = work done 

Q: For the prelab today, all solutions were made using the procedure as outlined in your lab manual. Wh...

A: Solution Concentration Of [Fe(SCN)2+] (M) =     Absorbance/(ε × l) Concentration Of Fe3+ (M) = i...

Q: How to find moles of M in unknown sample and the mass of metal in sample

A: Moles is a quantity. One mole is the amount of a substance that contains as many particles as there ...

Q: How many grams of solid potassium cyanide should be added to 1.50 L of a 0.217 M hydrocyanic acid so...

A: We would use hende Hasselbalch to to calculate the grams of potassium cyanide needed. 

Q: Use the concept of osmosis to answer this situation: What happens to the size of a sliced mango if i...

A: Osmosis is defined as the process in which there is movement of water from high water concentration ...

Q: TMS TMS Me2CuLi H Et20 Me., Me., Me Me CO2ME Ме CO,Me

A: Me2CuLi is known as Gillmann reagent.It is soft nucleophile so it undergoes 1,4 conjugate addition. ...

Q: Seawater has a pOH of 6.0. Calculate the hydroxide concentration in mol / L

A:

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".