27. Consider the following reaction: 4V + 302 → 2V2O3 How many grams of O2 are needed to react with 1.5 moles of V?

Q: How many mmol of  NaOHNaOH  will react completely with 50. mL of 2.0 M H2C2O4

A:

Q: Read each description in the first column of the table below. If any chemical element with atomic nu...

A: Given :  Chemical element with atomic Number 92 or less 

Q: Chloroform liniment contains 30% (v/v) of chloroform. How many mL of chloroform liniment can be prep...

A: Chloroform liniment contains 30% (v/v) of chloroform. 1 lb = 454g

Q: mL

A:

Q: 1. SiO2(s) + C(s) Si(s) + CO(g)

A: Given- SiO2(s) + C(s) --> Si(s) + CO(g)  

Q: Calculate the vapor pressure of a solution made by dissolving 82.4 g of urea (molar mass = 60.06 g/m...

A:

Q: 17. In the given reaction: Haig) + Izg) = 2Hlg) Ke= 47.2 at 500°c. If the initial concentrations are...

A: Given: The initial concentration of H2 = I2 = 0.250 M Initial concentration of HI = 0 M Kc = 47.2

Q: Convert 1.5 x 1023 molecules SO2 to moles.

A:

Q: Calculate the pH at the equivalence point for the titration of 0.150 M methylamine (CH, NH,) with 0....

A:

Q: Draw curved arrows to show the mechanism for the step of the B-ketoacyl-ACP synthase reaction shown ...

A: Here we have to write the curved arrow mechanism for the beta-ketoacyl-ACP synthase reaction given b...

Q: assign oxidation numbers to each of the atoms in the equation and determine if the reaction is redox

A:

Q: Rank the following diatomic species of oxygen in order of bond length and bond strength. A.O2 B.O2+ ...

A:

Q: < Question 2 of 5 Calculate the energy change (with the correct sign) when the temperature of 100.0 ...

A: Temperature of 100.0 mL liquid water increased by 3.30◦C . We have to calculate the energy change of...

Q: Equal volumes of two different weak acids are titrated with 14 0.30 M NAOH, resulting in the followi...

A:

Q: sample of a weak acid with a strong base (titrant). What is the relative pH at

A: In the titration of weak acid with strong base then at equivalence point salt of weak Acid-strong ba...

Q: What is the best way to accomplish the following synthesis? heat (CH2=CHCH2)2CuLi NAOH, H2O A) H20, ...

A:

Q: The % w/w of F- in a 0.2144-g sample was determined by Volhard titration. After adding 50.00 mL of 0...

A: Ans.   There are two precipitates in this analysis: AgNO3 and I– form a precipitate of AgI, and AgNO...

Q: 3. Predict which one is more stable (i.e., has the larger dissociation energy) and explain your answ...

A:

Q: Fill up the empty boxes with the correct chemical structures. HO. NOH

A: In the given reaction the alcohol is converted into oxime and the number of carbon atoms is increase...

Q: direction: assign oxidation numbers to each of the atoms in the equation and determine if the reacti...

A:

Q: Acetic acid has been mixed with isoamyl alcohol to produce isoamyl acetate giving off a banana smell...

A: When acetic acid reacts with isoamyl alcohol produces an ester called as isoamyl acetate. 

Q: Provide the proper IUPAC name: (CH3)2CHCH2CH2CH(CH2CH3)CH2C(CH3)3 rovide the proper IUPAC name: 2. C...

A:

Q: The decomposition of N2O4 into NO2 is carried out in a sealed container at 25o                      ...

A:

Q: Fill up the empty boxes with the correct chemical structures.

A: Interpretation- We have to fill the empty boxes with the correct chemical structures -      Introduc...

Q: What is the difference between coagulation and peptization.

A: Coagulation It is the process of converting a fresh precipitate into colloidal particles by shaking ...

Q: 24. The oxidation number of phosphorous in the phosphate anion, PO43 is; а. -3 b. +3 с. +5 d. -5 e. ...

A:

Q: КОН НОСН -O(CH3)3 heat H,O Br

A:

Q: When silver metal, Ag, is exposed to hydrogen sulfide gas, H2S, it tarnishes. Is the reaction of Ag ...

A: Oxidation means increase in oxidation no. whereas reduction means decrease in oxidation no.  RA = re...

Q: 6. A buffer is prepared by adding 20.0 g of sodium acetate (CH3COONa) to 500 mL of a 0.150 M acetic ...

A:

Q: How does a rate constant differ from an equilibrium constant for a reaction?

A: For a general reaction : aA + bB ⇌cC + dD  Rate of forward reaction = kf[A][B]  ---(1) Rate of backw...

Q: Select the transition that results in emitted light with the shortest wavelength. On = 6 to n = 5 On...

A:

Q: 5. Solve the Q given the following : 200-g sample of an unknown substance changed, temp from 40°C to...

A:   Given : Mass = m = 200 gram  Final temperature  =  T1 =  25°c Initial temperature =  T2  = 40°c   ...

Q: 3. A 5.000 g sample of an organic compound containing C, H, and O atoms was combusted and produced 1...

A:

Q: How many electrons in an atom can be described by the quantum number n = 2? number of electrons: How...

A: n is the principal quantum number. l is the azimethal quantum number and for:-  l = 0, s orbital  l ...

Q: 2. If a metal has a mass of 27 q and it requires 420 J of heat energy to increase temperature from 2...

A:

Q: 2. A 0.8102-g sample of impure Al,(CO3)3 decomposed with HCI; the liberated CO, was collected in CaO...

A:

Q: 10.55 Using tabulated thermodynamic data, calculate AG° for these reactions. (a) Fe(s) + 2 HCl(g)→ F...

A:

Q: Draw a structural diagram for 1-pentanol. - you do not have to consider stereochemistry - you do n...

A:

Q: 11. A 101.3-mg sample of an organic compound known to contain Cl is burned in pure O2 and the combus...

A:

Q: The Ksp value for Cu(OH)2 is 1.6x10‑19 at 25oC, what will the equilibrium concentration of [Cu2+] in...

A:

Q: Enter your answer in the provided box. Given the same reactant concentrations, the reaction Cog) + C...

A: Rate of the reaction: Rate is the change in concentration of a reactant or change in concentration o...

Q: 2. Problem 6.15: A homogeneous solution of 235U and H20 contains 10 g of 235U per liter of solution....

A:

Q: What are the types of gravimetric methods? Give an examples where each method is used in an analysis...

A: Gravimetric methods : Gravimetric analysis is a technique through which the amount of an analyte can...

Q: 4. A sample of phosphorus weighing 2.50 grams is burned in the presence of oxygen. WhatR the empiric...

A: Solution -

Q: 1) A sample of iron with a mass of 10.0 g changed its temp. from 50.4°C to 25.0°C with the release o...

A:

Q: Q2 : At 25°C, K = 3.40 x 10-3 S m-1 for 0.00100 M NH4OH. Values of Lo are: NH4C1 = 0.01497, NaOH = 0...

A:

Q: 2. Aside from the experiments performed, give another five (5) examples of physical and chemical cha...

A: In the given question we have to write the examples of physical and chemical observed during the rea...

Q: Enter your answer in the provided box. A sheet of gold weighing 9.6 g and at a temperature of 13.6°C...

A: Given,  Mass of Gold, mAu = 9.6 g  Temperature, TAu = 13.6 °C  Mass of iron, mFe = 18.0 g  Temperatu...

Q: Does the effect of intermolecular attraction on the properties of a gas become more significant or l...

A: Gases have negligible intermolecular attractions. The order of intermolecular attractions are in the...

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".