please explain to understand the process!!! Given the following information: PCI3(1) + Cl2(g) → PCI5(s) AH = -124 kJ P4(s) + 10 Cl2(g) → 4 PC|5(s) AH = -1774 kJ %3D What is AH for the following reaction? P4(s) + 6 Cl2(g) → 4 PC|3(1)

Q: Which of the following items is a chemical property?     the melting and boiling point of water    ...

A: Given:- Which of the following items is a chemical property?       the melting and boiling point...

Q: Types of Chemical Reactions Determine what types of chemical reactions are the equation undergo. Wr...

A: The most basic types of chemical reactions are combination, decomposition, single-replacement, doubl...

Q: Calculating kinetic energy Calculate the kinetic energy of a 569. kg roller-coaster car moving at a ...

A: Mass of roller-coaster car = 569.0 kg  Speed of car = 26.0 m/s 

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 s...

Q: 1. Calculate the change in the internal energy for a process in which a system absorbs 140 J of heat...

A: Given data :  1.  Heat absorb (Q) = 140 J  2. Work done (W) = - 85 J ( system does  work on system s...

Q: "Synthesis gas" is a mixture of carbon monoxide and water vapor. At high temperature synthesis gas w...

A: Equilibrium constant is calculated by taking the ratio of equilibrium concentration of product to re...

Q: Wine goes bad soon after opening because the ethanol (CH,CH,OH) in it reacts with oxygen gas (0,) fr...

A: CH3CH2OH + O2       CH3CH2OH + H2O 1 mole of ethanol reacts with 1 mole of oxygen to form 1 mole of ...

Q: Gaseous ethane (CH,CH,) reacts with gaseous oxygen gas (0,) to produce gaseous carbon dioxide (Co,) ...

A:

Q: An aluminum atom has a mass of 4.48 x 10 g and a small airplane has a mass of 5000. kg. Use this inf...

A:

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

A: In this question we are a given a system i.e cylinder and a surrounding i.e waterbath and chemical r...

Q: For a hypothetical reaction of C + D - E, the data below was collected: Experiment No. [C{mole/liter...

A: Recall the reaction, C + D ----> E Rate, r= k[C]m [D]n ------(i) where, m is the order of C with ...

Q: A 28.0 g chunk of aluminum is dropped into 100.0 g of water with an initial temperature of 20.0 °C. ...

A:

Q: a. Compute the final concentration (%w/v) of b. How much of the drink (in mL) must a person ethanol ...

A: (a)                Percentage of ethanol in beer = 6.00 % (v/v)                      Percentage of e...

Q: Calculate the quantity of heat released when 5.00 g of H2O2(1) decomposes at constant pressure. 2 H2...

A:

Q: What are the reaction products of (R)-3-methylcyclohexene in the reaction sequence of hydroboration-...

A:

Q: Assume that all solution were prepared at 25℃, and the solutes were completely dissolved. Alcoholic...

A:

Q: The water gas shift reaction below is used in the production of hydrogen. CO +H,O → CO, +H, 2 g 2(g)...

A:

Q: Nitrogen dioxide is one of the many oxides of nitrogen (often collectively called "NOx") that are of...

A:

Q: Explain stereisomerism exist in atarax

A: Given:- Explain stereoisomerism exist in Atarax compound. we know, Stereoisomersim includes Optical ...

Q: electrocyclisation 1 A Ph COOME elektrocyclisation 2 Ph B COOME Diels-Alder cycloaddition (intramole...

A:

Q: A mixture of nitrogen and hydrogen gas is compressed from a volume of 78.0L to a volume of 62.0 L, w...

A: Final volume = 62L = Vf Initial Volume = 78L = Vi External pressure = Pext = 65atm The process is an...

Q: Determine the pH at the equivalence (stoichiometric) point in the titration of 44.27 mL of 0.138 M m...

A: Given data : Concentration of morphine = 0.138 M Volume of morphine = 44.27 mL Concentration of HCl ...

Q: What does acid do to marble (calcium carbonate)?

A:

Q: A 57.4 g sample of glass is put into a calorimeter (see sketch at right) that contains 100.0 g of wa...

A:

Q: A chemist prepares a solution of caiclum bromide (Calles) by measuring out 430. g of calcium bromide...

A:

Q: In parentheses you will see that the products is not balanced .*first we will have to balance the pr...

A: A question based on mole concept that is to be accomplished.

Q: Is the gas temperature inside the syringe the same as the temperature of the water bath used in the ...

A: In the given problem we are provide with the temperature of a water bath which is in contact with a ...

Q: Nitrogen dioxide is one of the many oxides of nitrogen (often collectively called "NOx") that are of...

A:

Q: dm3 to 10.0dm3 at 500°C. Calculate the work done assuming a. The gas to be ideal a = 5.536 dm3 bar /...

A:

Q: It takes 1.25 kJ of energy to heat a certain sample of pure silver from 12.0∘C to 15.2∘C. Calculate ...

A:

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: A 51.3 g sample of glass, which has a specific heat capacity of 0.670 Jg that contains 200.0 g of wa...

A:

Q: Br. HO

A: given 

Q: d) 1) Оз 2) Me2s CO,Me

A:

Q: Calculate the pOH of a solution that results from mixing 41.4 mL of 0.11 M HBrO(aq) with 33.1 mL of ...

A:

Q: Devin knows that his sample of strontium sulfate, SrS04. contains 9.46 moles. How many grams is this...

A: Mass in grams of a substance can be obtained by multilpying moles with their molar mass. Mass  =  Mo...

Q: Which indicator would be the best to use for a titration between 0.30 M (CH3)2NH with 0.30 M HI? You...

A: An indicator gives the information about the equivalence point in an acid base titration by changing...

Q: A mixture of xenon and neon gas is compressed from a volume of 97.0 L to a volume of 95.0 L, while t...

A: The process in which pressure of the system is constant is called isobaric process . The above proce...

Q: Draw the optical isomers of CH3-CHOH-CHOH-CH3 . INDICATE the absolute configuration (R/S) of each ch...

A:

Q: Morphine is a type of pain medication derived from plants of the opiate family. It has the molecular...

A:

Q: Fill out the following table using the KingDraw Application. Create the structures given, whether it...

A: To write the Chemical name and draw the structure for the given Chemical Formula.

Q: The following table was written after using sieve analysis method on a paracetamol powder. Sieve ana...

A:

Q: Determine the ionic strength, 4, for each of the solutions. Assume complete dissociation of cach sal...

A: The ionic strength can be calculated as follows 

Q: garlic, onion, salt, and vinegar as Cleaning Products questions: Are the following ingredients (ga...

A: Household cleaning materials are substances used to clean household soft materials without using any...

Q: A chemist does an experiment where he expects to produce 6.669 moles of calcium phosphate, Ca3(PO4)2...

A:

Q: Explain each of the following phenomena 1. Fishes need oxygen to survive. Goldfish in a crowded aqua...

A: Fish take dissolved oxygen from water by taking  water into their mouth which passes through  the gi...

Q: The number of protons in an atom's nucleus defines the element.  True  False

A:                                   Answer The number of protons in the nucleus of an atom is its atom...

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: What would be the final volume occupied by 1.0 mol of an ideal gas initially at 0°C and 1.0 bar if Q...

A:

Q: Convert 400 grams of aluminum sulfate, Al2(SO4)3 to moles.

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as...