ryour units!) 2. 500.0 liters of a gas are prepared at 700.0 mm Hg and 200.0 °C. The gas is placed into a tank under high pressure. When the tank cools to 20.0 °C, the pressure of the gas is 30.0 atm. What is the volume of the gas?

Q: Calculate the pH during the titration of 20.00 mL of 0.1000 M ethylamine, C2H5NH2(aq), with 0.2000 M...

A: Volume of ethylamine = 20.00 mL  Molarity of ethylamine = 0.100 M Molarity of nitric acid = 0.200 M ...

Q: 1. What is the color result for red and blue litmus paper when exposed to the fume of heated albumin...

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

Q: Ammonia (NH,) chemically reacts with oxygen gas (0,) to produce nitric oxide (NO) and water (H,0). W...

A:

Q: A mixture of He, Ne, and Ar has a pressure of 28.2 bar at 28.0 °C. The partial pressure of He is 2.7...

A: given :- partial pressure of He = 2.74 bar  partial pressure of Ar = 1.15 bar  total pressure of mix...

Q: (CH3(CH2),CH,) reacts with gaseous oxygen gas (02) to produce gaseous carbon dioxide (CO2) and gaseo...

A:

Q: Consider the hypothetical reaction, which has an equilibrium constant (Kp) of 18.5 when the reaction...

A:

Q: When 6.313 g of one of the hydrates of sodium sulfate (Na2SO4) was heated to drive off its water of ...

A: Mass of hydrate sodium sulphate = 6.313 g  Mass of anhydrous sodium sulfate = 5.036 g   

Q: Write the reaction when solid magnesium sulfite is put into water.

A: Given :-  The compound magnesium sulfite is a strong electrolyte To write :-  Reaction of solid magn...

Q: thermometer A sample of quartz, which has a specific heat capacity of 0.730 J'g c, is put into a cal...

A:

Q: km Calculate the kinetic energy of a 1.7 x 10" kg airplane moving at a speed of 0.20

A: Given :- mass of airplane = 1.7 × 104 kg                speed = 0.20 km/s  To calculate :- kinetic e...

Q: What is the pOH of 0.10 M solution of hydroiodic acid?

A: Introduction Strong acids are those acids which completely dissociate in a particular aqueous soluti...

Q: Calculate the number of nitrogen atoms in a 140.0 g sample of dinitrogen tetroxide (N,04). Be sure y...

A: We have to calculate the number of nitrogen atoms in a 140.0 g sample of dinitrogen tetraoxide (N2O4...

Q: EDTA Tiration Cures: 11.6. A lo0nL sohntion q0.050MM' buffered to pH q.00 was tifrated rith 0. OSD O...

A:

Q: crease or decrease 5. What is the reaction order of the reactant Ha in the equation Hz+ la - 2HI? a....

A: The order of reaction can be defined as the sum of the powers of the concentration terms of the reac...

Q: What are the basic chemistry apparatuses? Include meaning.

A: 1.A beaker is a common container in most labs. It is used for mixing, stirring, and heating chemical...

Q: Provide curve arrow mechanism for the following reaction and include all major and minor produce AIC...

A: Friedel-Crafts Alkylation refers to the replacement of an aromatic proton with an alkyl group. This ...

Q: 13F - NMR 'H, Bip Comment on the and HP Fz cconcidering Jp-F > Iecn', Tpmn Y

A:

Q: While ethanol (CH,CH,OH) is produced naturally by fermentation, e.g. in beer- and wine-making, indus...

A:

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

A: The sign convention for heat flow are as follows: When the heat flows into the system, a positive si...

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

A: If a system gains energy it is called endothermic and if it releases energy, it is exothermic.

Q: What are the Safety Measures/ Precautions in the Science laboratory and classroom while doing a chem...

A: In this question we need to answer what are the precautions or safety measures that must be kept in ...

Q: Consider the reaction 2 N20 (g) – 2N2 (g) + 02 (g) . Calculate the work in kJ units at T= 320.0 K (i...

A: Work done during a chemical reaction = - ∆ng * RT ng = No of moles of gas = (Moles of gaseous produc...

Q: Provide an explanation without using the pka values : Why is phenol stronger acid than butanoic acid...

A: An acid is stronger than the other acid if it's anion is stronger than the anion of the other acid.

Q: While ethanol (CH;CH,OH) is produced naturally by fermentation, e.g. in beer- and wine-making, indus...

A: Now first there was certain amount of H2O and ethylene . After reaction equilibrium established.  Bu...

Q: A coffee-cup calorimeter contains 50.0 mL of distilled water at 22.7 °C. Solid ammonium bromide (3.1...

A:

Q: Consider the reaction, N204(g) – 2 NO2(g) AH°298K = +58.03 kJ AS°298K = +176.70 J/K; at what transit...

A:

Q: 1) Discuss how polymerization changes the properties of any ensemble of amino acids so that a protei...

A: Proteins may be defined as compounds of high molar mass consisting largely or entirely of chains of ...

Q: (i) Identify the different enthalpy changes and construct the Born-Haber cycle for the formation of ...

A:

Q: Tooling for a vacuum deposition system is cleaned and reassembled. Unfortunately, a drop of water 0....

A: Given that, a drop of water has a volume is 0.125 cm3. The pressure of the chamber is P = 4.3×10-6 t...

Q: benzophenone.

A:   Structure of benzophenone:     Functional groups:  1. carbonyl 2. Aromatic C-H  

Q: work done on the gas mixture. Be sure your answer has the correct sign (positive or negative) and th...

A:

Q: A chemical engineer is studying the following reaction: 4 HCI(g)+O,(9) → 2 H,O(9)+2Cl,(g) At the tem...

A:  

Q: During an assay of paracetamol by UV an analyst prepares a series of calibration solutions containin...

A: Dilution equation is C1V1=C2V2 where C1 and C2 are concentration of stock and diluted solution while...

Q: A major component of gasoline is octane (C3H1). When octane is burned in air, it chemically reacts w...

A: First we write combustion reaction of octane . Find no.of mole of octane  and mole of oxygen. Then c...

Q: Aqueous sulfuric acid (H,SO,) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium su...

A:

Q: Question: What is the mass of CaCl2 present in the original solution, based on actual yield? Theoret...

A:

Q: why is [Co(NH3)6]3+ more stable with respect to reduction than [Co(H2O)6]3+

A:

Q: pKa of NH4* = 7.2 MW of NH,CI = 53.49 g/mol Adding 4.01 g of NH4CI(s) to a 1.0 L solution of 0.075 M...

A:

Q: The following molarities were calculated from replicate standardization of a solution: 0.5025, 0.501...

A:

Q: is the following ingredients, can use as household cleaning materials? specify their use as househol...

A: You have posted a question with multiple subparts. So according to our guidelines I will answer firs...

Q: List the (i) metal oxidation state, (ii) d-electron count, and (iii) total electron count for each o...

A:

Q: Calculate the molality of 25.3 mL of glacial acetic acid (CH3COOH) dissolved in water to form a 50.0...

A:

Q: 3/5 Understanding the definitions of heat and work A mixture of gaseous reactants is put into a cyli...

A:

Q: Calculate the pH during the titration of 30.00 mL of 0.1000 M HCOOH(aq) with 0.1000 M NaOH(aq) after...

A:

Q: Directions: For each of the following reactions, indicate whether you would expect the entropy of th...

A: Please find your solution below : Entropy is a measure of dispersal of energy in a system. It is def...

Q: Green plants use light from the Sun to drive photosynthesis. Photosynthesis is a chemical reaction i...

A:

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

A: 1) Reaction is endothermic because 253kJ heat is flows from water bath to system. 2) The released he...

Q: Christina measures out 9.92 grams of Sodium bromide, NaBr. How many moles would this be? (Be sure to...

A: Given, mass of NaBr = 9.92 g molar mass = 102.894 g mol-1 then, determine moles of NaBr =?

Q: 4. K;Cr20, + KI + H;PO4 5. K,Cr,O, + FeSO, + H,SO, I2 + CrPO, + KPO4 + H;0 Cr;(SO,); + Fe,(SO,); + K...

A:

Q: thermometer A 50.8 g sample of aluminum is put into a calorimeter (see sketch at right) that contain...

A: Given:  Mass of Aluminium = 50.8 gm  Mass of water = 300 gm  Initial temperature of water = 21.0°C  ...

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.