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

Q: What mass of aluminum is necessary to produce 4.72L of hydrogen of STP? Aluminum + Nitric Acid > Al...

A: Given reaction is ., Al + HNO3 ----> Al(NO3)3 + H2 Balanced reaction is., 2 Al + 6 HNO3 ----> ...

Q: Question 3 Calculate the pH of the following solutions: 0.035 M HNO3 solution 5.25 x 10° M Sr(OH)2 s...

A: 0.035 M HNO3 5.25 x 10-6 M Sr(OH)2

Q: Suppose you have an 8-hour ozone value of 0.088 ppm, and a PM2.5 value of 35.7 ug/m³. The AQI value ...

A: From the given table we can clearly see that 8hr O3 value of 0.088 ppm lies in the unhealthy region ...

Q: 2. A bottle of phosphoric acid is labeled "85.0% H3PO4 by mass; density = 1.689 g/ml." Express the c...

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Q: Current Attempt in Progress The reaction 2A + 2B M+N has the rate law: Rate k[A]?. At 25°C, k = 0.03...

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Q: For the following reaction, 10.3 grams of propane (C3H9) are allowed to react with 21.3 grams of oxy...

A: Propane reacts with oxygen to form carbon dioxide and water. The equation for the balanced chemical ...

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: Which statement explains why the pH at the stoichiometric point in the titration of a weak acid with...

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

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Q: 1. A 0.512 g sample of CaCO, is dissolved in 12 M HCl and the mixture is diluted to 250 mL. a) How m...

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Q: Calculate the change in internal energy when 1 mole of H2 and 1/2 mole of O2 are converted to 1 mole...

A: Given ∆ng= (gaseous mole of product) - (gaseous        mole of reactant)  ∆ng= 0- {1+1/2} ∆ng=3/2 Te...

Q: A reaction has the stoichiometry: 3A + BC+D. The following data were obtained for the initial rate o...

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Q: Evalúa el conmutador [A, B), considerando las siguientes situaciones: a) A= d/dx B=x f(x)=xe2 bA=x B...

A: To calculate the commutators , we would use the formula . 

Q: 20.Deduce the structure of an unknown compound A, CeH14. Briefly, but clearly explain your rationale...

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Q: Consider the reaction below. Which species are conjugate acid/base pairs? HSO, (aq) + HCN (aq) = H,S...

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Q: Point out the main ideas in the discovery of the structure of the atoms and their sub-atomic particl...

A: We know anything in this world that takes up some space has some matter. In the very early days, it ...

Q: Current Attempt in Progress The reaction of sucrose with water in an acidic solution is C12H22011 H2...

A: The concentration after 6 hours can be calculated as

Q: At 25oC the vapor pressure of pure benzene is 93.9 torr. When a non-volatile solvent is dissolved in...

A: Relative lowering of vapor pressure:

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: if i were to determine ascorbic acid content of different plants using iodine titration, what should...

A: Introduction :  Ascorbic acid is a water soluble vitamin , in aqueous solution ascorbic acid is a re...

Q: 1) balance the following chemical equation for the reaction of hypothetical elements X, Y, and Z.  ...

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

Q: Balance using the half reduction method. Assume this is acidic, so add no OH- MnO,(s) + HO,(aq) → Mn...

A: Solution - According to the question - Given reaction - MnO2(S)  + HO2-(aq) -----> MnO4- (aq) The...

Q: Calculate the osmotic pressure for a solution that is 0.6 molar in sodium chloride and 0.5 molar in ...

A: Osmatic pressure = i x C x R x T i = the no. of dissociated ions C = concentration R = gas constant ...

Q: The diagram shows which level of structure of a protein? hydrogen bond CH, CH H.C CH, hydrophobic in...

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Q: Complete the balanced chemical equation for the following reaction between a weak base and a strong ...

A: The Chemical reaction follows the law of conservation of mass. According to the law of conservation ...

Q: The concentration of NaOH from the best three of your trials. 2. The average concentration of 3 of y...

A: Given: Titration KHP (g) Vfinal (mL) Vinitial (mL) Vtotal NaOH(mL) 1 0.7027 34.20 0.0 34.20 2...

Q: Find the heat of metal and the specific heat capacity (below are the values) Mass of metal 23.20...

A: According to the law of conservation of energy, heat can neither be created nor destroyed, it can be...

Q: Based off of the diagram, please state the # of amide bonds and please state the # of alcohol bonds....

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Q: Calculate the internal energy (in J) of a sample of 5.6 mol of an ideal monoatomic gas at 185°C.

A: The internal energy of an ideal gas is the sum total of all the translational, rotational and vibrat...

Q: 4. The molecular orbital (MO) energy diagram for cyclopentadiene (compound pictured right) shows fou...

A: I've drawn all four pi orbitals, just to make you understand. 

Q: A 20.00 mL sample of 0.10 M HCl is titrated with 0.10 M NaOH. What volume of titrant (in mL) must be...

A: We have to predict the volume at equivalence point.  

Q: The pressure of 5.0 L of gas increases from 1140 mmHg to 1240 mmHg. What is the final volume of the ...

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Q: If there is no toxicology unit in the crime laboratory, the respective works will be conducted in th...

A: Forensic toxicology is associated with the medicolegal aspects of toxicology and it plays an essenti...

Q: Consider a first order reaction AB → A + B If the reaction is 34% complete at the end of 39 s, what ...

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Q: Deductive reasoning is applied in forensic science, instead of inductive. This statement is true or...

A: The difference between inductive and deductive reasoning is that inductive reasoning focus at develo...

Q: Q1) The Bohr model of an atom explains the physical behavior of an atom through three hypotheses. de...

A: Given,

Q: Calculate and compare the molar solubility of Mg(OH)2 in water and in a solution buffered at a  pH ...

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Q: The solubility product for AgI(s) is 1.5 × 10-16. Calculate the value of E° for the half-reaction Ag...

A: Solubility product for AgI(s) = 1.5 × 10-16  Reduction potential for the metal cation : Ag+ + e-  --...

Q: HCl(g) + O2(g)  H2O(l) + Cl2(g) , then Kc = [Cl2] / [HCl][O2] true or false

A: Given :-  HCl(g) + O2(g) <-----> H2O(l) + Cl2(g)  Kc = [Cl2]/[HCl][O2]  To determine :-  Wheth...

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: What is the Ka for CH;CO,H (pKa 4.75)? Select the best answer. 1.00 M 15. a. 4.19 x 103 M 4.19 x 103...

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

Q: A 50.0 mL sample of 0.350 M HBr is titrated with 0.200 M KOH. At what volume (in mL) of titrant adde...

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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: What is the maximum solubility of Cu(SCN) (Ksp = 1.8 x 1071>) in a 0.10 M KSCN solution? What is the...

A: The amount of solute that can be desolved in a solvent to form a saturated solution is called the so...

Q: 1. Which of the following aqueous solutions does have the LOWEST freezing point? (a) 0.20 m HCI (str...

A: Colligative properties: The colligative properties are those properties of solutions that depend on ...

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...

Q: Activity 1 Let us make your learning more exciting and challenging. To help you recall the different...

A: A question based on general chemistry that is to be accomplished.

Q: For a gaseous reaction, standard conditions are 298 K and a partial pressure of 1 bar for all specie...

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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,