Obtain the oxidation number for the Cu in Cuo. O-2 O+2 O+1 O-1

Q: A tiny sample of an aqueous solution of two substances R and P is sketched below, as if it was under...

A: The equilibrium constant of a chemical reaction is the value of its reaction quotient at chemical eq...

Q: Mass (g) Moles Moles Mass (g) of A of A of B of B 1 mole Moles of B Molar mass of B Molar mass of A ...

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Q: Tartaric acid can be titrated with a standard alkali. A 25.0 cm3 sample of the acid was exactly neut...

A: Volume of tartaric acid = 25.0 cm3  Volume of alkali, KOH = 27.5 cm3  Molarity of KOH = 0.10 mol/L  

Q: Determine the oxidation number for each atom in H,C,04 C: H: 0:

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Q: Is the 1st compound ( more, less or equally) stable than B? Pls show through illustrations of chair ...

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Q: 96. The average temperature of the human body is 98.6 °F. What is this temperature in °C and K? 98. ...

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Q: Write the nuclear reactions involved in the synthesis of the new elements.Give at least 10 sentences

A: As we know their are two categories of nuclear reactions, fission and fusion, and "new" elements can...

Q: Balance the chemical equation:  C4H8 +  O2 →  CO2 +  H2O There is a blank for all coefficients - s...

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Q: [H*]?

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Q: The colorless gas N2O4 decomposes to the brown gas NO2 in a first order-reaction: N2O4(g) → 2 NO2(g)...

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Q: A solution is made by dissolving 0.550 mol of nonelectrolyte solute in 789 g of benzene. Calculate t...

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Q: 1

A: Mass of CaCO3 = 0.4676 gram Molar Mass of CaCO3 = 100 g/mol Moles of CaCO3 = 0.4676/100 = 0.004676 m...

Q: 9. The four compounds listed below undergo SN1 reactions at increasingly faster rates. For each comp...

A: SN1 is a nucleophilic substitution reaction. In this reaction formation of intermediate (carbocation...

Q: Consider this system at equilibrium. A(aq) = B(aq) AH = -650 kJ/mol What can be said about Q and K i...

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Q: Current Attempt in Progress The decomposition of ozone, O3, is believed to occur by the two-step mec...

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Q: moles

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

Q: Mass spectrometry by itself cannot be used for a sample of mixture of drugs. This statement is Tr...

A: Mass spectroscopy is a technique which determines the mass to charge ration of various ions present ...

Q: What is the relationsiip 2) Give the systematic name of the adduct formed when maleic anhydride reac...

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Q: Tutored Practice Problem 4.5.6 COUNTS TOWARDS GRADE Close Problem Use solution stoichiometry. Calcul...

A: Using stoichiometric ratio of balanced reaction we can calculate how much reactants are used and how...

Q: Sodium reacts with oxygen to produce sodium oxide in a synthesis reaction. A chemist needs to produc...

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Q: Calculate the value of the equilibrium constant, Kc , for the reaction   Q(g)+X(g)↽−−⇀2M(g)+N(g) g...

A:  the value of the equilibrium constant, Kc , for the reaction   Q(g)+X(g)↽−−⇀2M(g)+N(g)........(0) g...

Q: 2. What are the similarities and differences between structural (constitutional) isomers, geometric ...

A: Structural isomers are also called constitutional isomers.Geometric isomers are called as stereo iso...

Q: 4What causes the changes in ionic radius from left to right across  period 2 of the periodic table.

A: The answer is given below

Q: What is the expected freezing point for a 105.357 g solution that contains 6.906 g of acetone, C,H,O...

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Q: Given the thermochemical equation SO2(g) + 1/2 O2(g) ---> SO (g) ΔH = -99kJ/mol how much heat is evo...

A: Given :-  SO2(g) + 1/2O2(g) → SO3(g)  ∆H = -99kJ/mol  To calculate :-  amount of heat evolved from ...

Q: Calculate Kp for cadmium sulfide from the following data: CdS(s) + 2e¯ → Cd(s) + S²- (ag) e° = -1.18...

A: The reactions given are,  

Q: Calculate the value of ?p for the equation   C(s)+CO2(g)↽−−⇀2CO(g)?p=? given that at a certain tem...

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Q: 2 Ni(NO3)3 + 3 K2SO4 → Ni2(SO4)3 + 6 KNO3 How many g of Ni2(SO4)3 are produced if 48.6 g Ni(NO3)3 r...

A: Given :-  2 Ni(NO3)3 + 3 K2SO4 → Ni2(SO4)3 + 6 KNO3  Mass of Ni(NO3)3 = 48.6 g  To be calculated :- ...

Q: How much heat is absorbed by 80.0 g of iron (Fe) when its temperature is raised from 250C to 5000C? ...

A: Given: The specific heat of iron = 0.444J/g.oC Mass of iron = 80.0 g Rise in temperature = (500 - 25...

Q: What is the IUPAC name of this compound?

A: Given : We have to write the IUPAC nomenclature for the given compound.

Q: 13 mass of solute: Incorrec

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Q: Calculate the standard free energy change for the following reaction: 2XO(s)+O2(g)→ 2XO2(s) AG 298(X...

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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: COBr2 is formed when CO reacts with Br2. Given the reaction CO(g) + Br2(g)  COBr2(g) , If [CO]0 = .5...

A: Given data : [CO]o = 0.50 M [Br2]0 = 0.40 M Kc = 23

Q: A tiny sample of an aqueous solution of two substances R and P is sketched below, as if it was under...

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Q: Consider a first order reaction XY2→X + Y2 The rate constant is 4.30 x 104 If the initial concentrat...

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Q: Determine which will lower the freezing point of water more: 225.0 g of KCl or 225.0 g of Na2SO4? As...

A: We know that., Change in freezing point = freezing point of pure solvent - Freezing point of solutio...

Q: In the chemistry lab stockroom, there is more than enough hydrogen gas for the reaction , but only 2...

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Q: Name the following compound Ho CH3 ュ-う-2Hコ-Hコ-HO CH3 2CH2 -CH2-ċ - c cHz CH3 -CH3 CH3

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Q: A 0.125 M solution of HNO2 has a pH = 2.08. What is Ka for HNO2?

A: Answer) HNO2 is weak acid . When we dissolved it in water it give H+ ions. It does not dissolve comp...

Q: An empty steel container is filled with 0.0620 atm of HF. The system is allowed to reach equilibrium...

A: The equilibrium constant (Kp) of a reaction is the ratio between partial pressure of product the the...

Q: r organic products a

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Q: In each reaction box, select the best reagent and conditions from each list. 1. reagent 1 2. reagent...

A: The given transformation involves two Friedel-crafts reactions and one reduction.  

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

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Q: If you have multiple analytical balances to use during a lab, why do you think it is important to us...

A: Because our analytical balance is calibrated according to your needs so if we use different analytic...

Q: In the reaction of Cl2 with ethane and UV light, which of the following reactions would be a propaga...

A: Free radical of alkane involve three step reaction. In first step formation of chlorine free radical...

Q: I. Identify the functional group and write the IUPAC names of the following organic molecules. Br Br...

A: Name of the functional groups are as follows: 1. Ester  2. Aldehyde 3. Alcohol 4. Thiol  5. Alcohol ...

Q: The concentration of hydroxide ion in an aqueous solution at 25°C is 4.2 x 10 M. What is the concent...

A: Given : Concentration of OH- ion = 4.2 x 10-4 M

Q: If polyalanine has a ΔH of -7KJ/mol, ΔS of -0.015KJ/K-mol, and a negative ΔG. If we want to form pol...

A: Here ∆H is negative (favoured) and ∆S is negative (unfavoured). Protein folding evolves by exploring...

Q: Name the molecule below: * НО NH, NH,

A: In IUPAC nomenclature, the longest C chain with the highest priority group is the parent chain and i...