Which of the following will result in an acidic solution when dissolved in water?   CaF2 PbCl2 Na3PO4

Q: Balance the following redox reaction: MnO4-1 + H2O2 →Mn+2 + O2  (Acidic)

A: The given redox reaction is as follows: A redox reaction is balanced by balancing the mass and char...

Q: he standard enthalpy of fo

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Q: 27. in dehydration synthesis reactions, where do the atoms that make up a molecule of water come fro...

A: 27. in dehydration synthesis reactions, where do the atoms that make up a molecule of water come fro...

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: Carbon dioxide gas, CO2(g), is generated in the combustion of a sample of ethane (C2H6). This CO2 is...

A: Given statement is : Carbon dioxide gas, CO2 (g), is generated in the combustion of a sample of etha...

Q: Calculating pressure-volume work A mixture of nitrogen and neon gas is expanded from a volume of 62....

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

A: Mass of oxygen gas = 5.0 g 

Q: Gaseous methane (CH,) reacts with gaseous oxygen gas (02) to produce gaseous carbon dioxide (CO2) an...

A: Given the mass of species--- mass of water=2.25 g , molar mass=18 g mol-1  mass of methane = 1.3 g, ...

Q: A 10.0 g of sample of which of the following would have the most moles O Copper Iron Silicon Sulfur

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Q: 3. Assign the absolute configuration to the stereocenters (marked A through G) below. Note: “extract...

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Q: ove overall cell rea + Ni?, (aq) nalf reaction tha ctrode is the an

A: Given: Cds  +Ni +2(aq)→Cd+2aq+Nis  

Q: 88.why does evaporation of water from a surface cause cooling of the surface? evaporation causes th...

A: The solution is given below - 

Q: Given the standard enthalpy changes for the following two reactions: (1) 2Pb(s) + 02(g)→2P60(s) AH° ...

A: We have to calculate the standard enthalpy change for the reaction PbO(s) + Zn(s) → Pb(s) + ZnO(s).

Q: You were given a set a results on an Excel spreadsheet to complete. Following completion of this sai...

A: Answer: From the above data we make the graph of pH vs volume of titrant added.  

Q: write mixture if it is corresponds with mixture and compound if it is corresponds with compound. -at...

A: A question based on solutions that is to be accomplished.

Q: AH soln %3D II

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Q: balanced equation:

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Q: Which of the following reactions is not product-favored? NaOH(aq) → Na*(aq) + OH-(aq) NH3(aq) + H2O(...

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Q: If 100 L of a gas mixture over a metropolitan area contains 0.006 Oxygen L, how many ppm of CO is pr...

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Q: Please explain the mode of action on the hair of the following temporary and permanent hair styling ...

A: There are lot of hair styling tools that are used now a days

Q: Calculate the pH for each case in the titration of 50.0 mL of 0.170 M HC1O(aq) with 0.170 M KOH(aq)....

A: Given, molarity of HClO=0.170 Mmolarity of KOH = 0.170 M We , know Ka(HCIO)=4.0×10-8

Q: For reactions in the gas phase, a relationship can be established between Kc and Kp. For which of th...

A: Given,  The following processes that have same numerical value of equilibrium constants are:  

Q: Which of the following is the product for the given reaction? HNO3 ? H2SO4

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Q: How many molecules of oxygen gas were initially present in the reaction vessel?

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Q: An unknown compound has the following chemical formula: P20, where x stands for a whole number. Meas...

A: In this question we'll be calculating the number of oxygen atom in one molecule of p2ox  For solving...

Q: Draw an alkene and show its E and Z isomers

A: Alkene is a hydrocarbon that contains carbon-carbon double bond. The general formula for  alkenes is...

Q: B CH1,02 MW 116 ERS cillaru fiie teenalt elates C h e 3H 2H 2H

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Q: 3. Find AH for acetic acid, HC2H3O2, using the following thermochemical data.

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Q: 1) The condensation reaction between a hydroxyl group and a carboxylic group is found to follow the ...

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Q: Calculate the degree of unsaturation. Assign the relevant peaks in the IR spectrum. Assign the peaks...

A: A question based on spectroscopy that is to be accomplished.

Q: 2. The addition of dimethylglyoxime, H;C4H6O2N2, to a solution containing nickel(ll) ion gives rise ...

A: Solution -

Q: What is the chemistry behind why the presence of salt will increase rusting of metals?

A: The solution is given below - 

Q: Arsenic is a natural semi-metallic chemical that is found all over the world in groundwater. Calcula...

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

Q: A 25.00 ml of Ni2 solution was diluted in HCI and treated with 25.00 ml of 0.05283 M NazEDTA. The so...

A: We know that   EDTA forms 1:1 complex with metals Zn+2 and Ni+2 Initial moles of EDTA = M*V = 0.0528...

Q: The value of the heat capacity at constant volume, CV,m, for a gas sample was found to vary with tem...

A: We have to predict the change in internal energy.  

Q: Instruction Identify the type of analysis based on the description. More than answer is possible. 1....

A: 1) L-ascorbic acid 500 medication contains L-ascorbic acid otherwise called ascorbic corrosive as a ...

Q: You were given a set a results on an Excel spreadsheet to complete. Following completion of this sai...

A: 0.05 M Sodium phosphate buffer with HCl (0.05M) pKa =4.8

Q: What mass of precipitate will be produced from the reaction of 50.0 mL of 2.50 mol/L sodium hydroxid...

A: When sodium hydroxide reacts with zinc chloride it form precipitate of zinc hydroxide.

Q: Activity 2. Classify the following materials/substances as element, compound, or mixture. 1. Vinegar...

A: Let us first define the terms element, compound, or mixture and understand what are the basic differ...

Q: If 1.4 g of ZnS is roasted, what is the percent transformation of ZnS if the final product weights 1...

A: Zinc sulfide reacts with oxygen to form zinc sulfate. The equation for the balanced chemical reactio...

Q: 14-28 Electrophilic addition of Br2 to isoprene (2-methyl-1,3-butadiene) yields the following produc...

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Q: When 120 mg of naphthalene, C10H8(s), was burned in a bomb calorimeter the temperature rose by 3.05 ...

A: Mass of naphthalene burnt = 120mg Temperature rose = 3.05K Calorimeter constant = ? By how much will...

Q: The enthalpy of combustion of benzoic acid (CH;COOH) is commonly used as the standard for calibratin...

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Q: Show your calculations below for (* and **) for Solution Solution D 3 tsp sugar 500 Solution A Solut...

A: Percent solution is the solution expressed in the unit %. It may be  percentage by weight by volume ...

Q: A 25.00 ml of Ni2* solution was diluted in HCI and treated with 25.00 ml of 0.05283 M NazEDTA. The s...

A: We know that   EDTA forms 1:1 complex with metals Zn+2 and Ni+2 Initial moles of EDTA = M × V = 0.05...

Q: 2. Calculate the ionic strength of a solution that is (a) 0.030 M in FeSO (b) 0.30 M in FeCla and 0....

A: Ionic strength of a mixture is the sum their individual ionic strength.

Q: When 135 g KI are dissolved in 100 g water at 250 C, the solution is called

A: According to the solubility graph  of KI in water  We cannot dissolve more than approximately 160 g ...

Q: Proteins Shape Solubility with Intermolecular forces of Functions Water attraction that stabilizes t...

A: a) a-keratin - Shape - α-keratin is a polypeptide chain, typically high in alanine, leucine, arginin...

Q: 5. Draw the following molecules (6 pts) A. (S)-2-chloropentane B. (R)-1-bromo-2-methylbutane C. (3S,...

A: These R and S are the Absolute  configuration of the compound  which tells us that in which directio...

Q: – 12 mg and an oil tanker has a mass of 3.0 x 10' kg. A virus has a mass of 9.0 x 1 Use this informa...

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