Given the thermochemical equation SO2(g) + 1/2 O2(g) ---> SO (g) ΔH = -99kJ/mol how much heat is evolved when a) 1/2 mol of SO2 reacts and b) 3 mol of SO2 reacts

Q: A.) If 11.3 g of KBr (MM = 119.00 g/mol) are added to a 500.0 mL volumetric flask, and water is adde...

A: We have to predict the  A. Concentration  B. Molarity  C. Moles   

Q: Estimate the change in the Gibbs energy of 100cm3 of water when the pressure acting on it is increas...

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Q: Find the element with the highest oxidation number in each of the following formulas: a Naz Cr2 O7 (...

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Q: Question 2 The reaction 2NO2 2NO+O2 (K=0.50) is at equilibrium when PNO2=0.16 atm and PO2 = 0.22 atm...

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Q: balance

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Q: A compound has the empirical formula CHI. A 256-mL flask, at 373 K and 750. torr, contains 2.31 g of...

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Q: A 30.00 mL sample of 0.15 M HNO3 is titrated with 0.20 M KOH. Calculate the pH when 25.00 mL of titr...

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Q: Draw the major product of this reaction. -ignore inorganic byproducts. LHOM Eto NEAIONe CHEW consBE ...

A: Alcohol undergo oxidation. 

Q: Consider the reaction of NH, and I, to give N, and HI. 2 NH, (g) + 3 1, (g) N,(g) + 6 HI(g) K Using ...

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Q: r the observation that only the ortho-isomer appeared in the distillate and not the para isomer.

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Q: Given the balanced reaction 2A + B = 2C, calculate ΔG for the system if: ΔGo at 700oC = -12120 J/mo...

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Q: What is the density of methane gas, CH4 at STP?

A: STP means standard temperature and pressure  Temperature is 0°C or 273 K  Pressure is 1 atm 

Q: Please answer the PHYSICAL DESCRIPTION table and add short captions for the photos. THANK YOU.

A: Answer:

Q: The reaction CH31 + HI CH4+ 12 was observed to have rate constants k = 3.2 L mol 1s1 at 355 °C and k...

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Q: Oxidize the below molecule as many times as possible. Then name each product. ОН CH3 `CH3 H3C.

A: Given compound 2-methylbutan-2-ol

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A: In a simple cubic unit cell, the atoms are present at the corners. In a Face centred cubic unit cell...

Q: In the synthesis of benzoic acid, 3.5 mL of toluene were used and mixed with potassium permanganate ...

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Q: If a 0.850 m aqueous solution freezes at –2.80 °C, what is the van't Hoff factor, i, of the solute? ...

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Q: Question 16 How many grams of Mg3(PO4)2 can dissolve in 500 mL of water given that Mg3(PO4)2 has a K...

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Q: The reaction of tert-butyl chloride with methanol, as shown below, (CH3)3C-CI + CH3-OH (CH3)3C-OCH3 ...

A: Write the answer regarding the reaction rate order of the following---

Q: Oxidize the below molecule as many times as possible. Then name each product. OH

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Q: NH2 но. CF3 CF3 IZ

A: The fate of the given reaction is decided by the chemical nature of the leaving group and its conjug...

Q: SOLID LIQUID GAS EFINITE SHAPE AND VOLUME AVERAGE LEVEL OF KINETIC ENERGY MOLECULES ARE IN CONSTANTL...

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Q: molecular formula

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Q: .N. NH2 HO. CF3 CF3

A: The given incorrect reaction is :  Draw the mechanism with this new reactant(s) to obtain the desir...

Q: Which statement is true before the stoichiometric point of a weak acid with a strong base? A buffer ...

A: Given Titration of weak acid vs strong base

Q: n element consists of 1.40% of an isotope with mass 203.9730 u, 24.10% of an isotope with mass 205.9...

A: Given that, Element consists of 1.40% of an isotope with mass 203.9730 u, 24.10% of an isotope with ...

Q: ny grams o

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

Q: Label the diagram according to the components and processes of an alkaline battery. Drag the appropr...

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Q: osmotic pressure ex certain so of a

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Q: A brick has dimensions of 110. cm X 655 cm X 1330cm. What is the volume of the brick in cubic meters...

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Q: Predict the products of the following acid-base reaction. Identify and label the conjugate acid / ba...

A: Complete the given reaction and identify acid-base pairs ----

Q: Consider the most stable chair form for cis-1,2-dimethylcyclohexane. Now, consider the most stable c...

A: Consider the most stable chair form for cis-1,2-dimethylcyclohexane. Now, consider the most stable c...

Q: Which has a higher root mean square velocity, H2(g) at 150 K or He(g) at 650K?

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Q: When hydrogen chloride reacts with magnesium, magnesium chloride and hydrogen gas are formed. 1. Wri...

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for ...

Q: Describe the formation of heavier elements during stars' formation and evolutions; Give at least 10 ...

A: Introduction :  An element is a group of atoms which have same number of protons, in pure form they ...

Q: Label the conjugate acid-base pair for each of the following: H20 2 C3H5O2 + H30 HC3H5O2 + HCIO + OH...

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Q: What is the minimum pressure in kPa that must be applied at 25 °C to obtain pure water by reverse os...

A: Given data :  Temperature (T) = 25oC                          T= (25+273)k                          ...

Q: 2. When we use the stopped-flow method to determine the rate constant, which result is more accurate...

A: Stopped flow method is a rapid kinetics technique to determine rate constant.

Q: refer to the structure 1. This drug may likely bind to what protein? a. Alphaglycoprotein  b. Bil...

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Q: How many grams of NaH2C6H5O7 must be added to a 300 mL solution of 0.15 M H3C6H507 (Ka= 3.2x 10) to ...

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Q: Finct for the wavepunction %3D (1-x²), otherwise

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Q: Now, let us think about iron (Fe). The total mass of BIFs globally is estimated at 5.0×1017 kg, wher...

A: Given :- Total mass of BlF = 5 × 1017 kg Mass percent of Iron in BlF = 35% Molar mass of Fe = 55.8 g...

Q: A 0.7547 g sample of nicotine was analyzed and found to consist of 0.5588 g C, 0.06565 g H, and 0.13...

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Q: What is the pH of a 3.0 x 10 M solution of CoHsNH2 (Kb= 4.3 x 1010? What is the percent error in you...

A: As PhNH2 is an weak base,it can be calculated using a formula.

Q: Question 1 A 35 mL solutionſof 0.15 M HBr is titrated with 0.09 M NAOH: What volume of NaOH is requi...

A: Concentration of HBr = 0.15M = M1 Volume of HBr = 35ml = V1 Concentration of NaOH = 0.09M = M2 Volum...

Q: A 50.0 mL sample of 0.350 M HBr is titrated with 0.200 M KOH. What is the pH when 50.0 mL of KOH has...

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Q: A 250 mL solution of 2.5 x 10 M AGNO3 is mixed with 150 mL of 5 x 10 M Na 3PO4- What is the value of...

A: Ans. (a) Value of Q (reaction quotient): The given compounds' reaction is 3AgNO3+Na3PO4 → Ag3PO4+3Na...

Q: The boiling point of an aqueous solution is 101.21 °C. What is the freezing point? Consult the table...

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Q: lmowing unbalanced equation: Al + ZNCI2 → Zn + AICI3 A chemist does not want to waste reactants beca...

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