lonic equa salt solut UI UoUenba manganese(II) carbonate, MnCO3 (s), dissolves in dilute hydrochloric acid. (Use the lowest possible coefficients. Be sure to to specify states such as (aq) or (s). If a box is not needed, leave it blank. Add H,O or H3O* to any side of the reaction if it is needed.) + + + + 1
Q: 2 PbSO4(s) + 2 H2O(l) → Pb(s) + PbO2(s) + 2 H2SO4(l) Use the ∆Hf values in the table…
A: Since the ∆Hreaction can be written in terms of ∆Hf as => ∆Hreaction = sum of (∆Hf of products X…
Q: What is the AH° for the following reaction (in kJ/mol)? 2 Na (s) + 2 H2O (1) → 2 N2OH (ag) + H2 (g)…
A:
Q: 1. Why is it legitimate to neglect the term Kw/[H30*] when f is small? Number of moles base added f…
A: Given, f=number of moles base addedno where, no = number of moles of acid
Q: 1. To 50.0 g of water at 25.00°C in a calorimeter was added 5.00 g of solid sodium nitrate, also at…
A: Given: Mass of water = 50.0 g. Initial temperature of water = 25.00 oC Mass of NaNO3 = 5.00 g. Heat…
Q: A student dissolves 11.6 g of potassium chloride (KCl) in 200. g of water in a well-insulated open…
A: When potassium chloride is dissolved in water, the temperature of water is reduced from 23.0oC to…
Q: 2. Enthalpy: When solutions containing silver ions and chloride ions are mixed, silver chloride…
A:
Q: Calculate AH for the reaction NH3 (g) + 5 02 (g) → 4 NO (g) + 6 H20 (g). from the following data. N2…
A:
Q: find the heat gained from the solution (kJ) For the #1 and #2: #1: initial temp=23.1 final temp…
A:
Q: A student dissolves 11.5 g of sodium chloride (NaCl)in 200. g of water in a well-insulated open cup.…
A: The reactions in which there is heat produced during the reaction are called exothermic reactions.…
Q: What is the observable result of: Cl + Ag AgCl(s) + 2NH3(aq) AgCl(s) + sunlight Br+AgNO3 AgBr(s) +…
A: As per the Q&A guidelines, I am answering the first three sub-parts of a question. If you want…
Q: Why can't you calculate qrxn directly? The temperature change measured is that of the water. None of…
A: The qrxn i.e. heat of reaction is the measure of the net heat required or released in the reaction.…
Q: Prior to the development of the Hall-Héroult process for producing aluminum, pure aluminum was…
A: The production of Aluminum is shown as, AlCl3 (l) + 3 Na (l) →Al (s) + 3 NaCl (s), ∆Hr = -564.8…
Q: The coefficients on balancing the following reaction will be. Pb(OH)2 + HCI H2O + PbCl2 a) 1,2,2,1…
A: For a balanced chemical equation no. of elements in reactant side must be equal to product side . So…
Q: Ca(OH)2(aq) + 2HCI(aq) → CaCl2(aq) + 2H2O(1) Calculate AH° in kilojoules for this reaction, using…
A:
Q: .You now have the enthalpies of reaction for the following reactions: CaCO3 (s) + 2HCl(aq)->CaCl2…
A: Given : CaCO3 (s) + 2HCl(aq)->CaCl2 (aq) + CO2 (g) + H2O(l) CaO(s) + 2HCl(aq)->CaCl2(aq) +…
Q: 2. Calculate AH® for the reactions represented by the following equations: m (a) 2 H,(g) + 0,(g)→2…
A: It's a multiple part question.
Q: A student dissolves 11.4 g of potassium chloride (KCI)in 300. g of water in a well-insulated open…
A:
Q: 3 NaOH(aq) + H3PO4(aq) → Na3PO3(aq) + 3 H2O(l) ΔH = -173.7 kJ If 31.2 mL of 0.45 M sodium…
A:
Q: A student dissolves 11.9 g of sodium chloride (NaCl)in 250. g of water in a well-insulated open cup.…
A:
Q: A student dissolves 11.2 g of potassium chloride (KCl)in 300. g of water in a well-insulated open…
A:
Q: Vinegar consists of about 5% acetic acid and has a pH of 3.4. The standard enthalpy change (at 25.0…
A: Since the reaction has -ve standard enthalpy change means the reaction is exothermic. And we know…
Q: LIOH) + CO2 (0) - Lİ:CO3 () + H2O (9)
A: Given-> LiOH(s) + CO2(g) ----> Li2CO3(s) + H2O(g) ->Value may be differ slightly because…
Q: The chemical reaction Fe[SCN]2⇋ Fe+2 +2SCN- a)is it endothermic or exothermic? b)What would…
A: We have to tell the given reaction is exothermic or endothermic
Q: 4NH3(g) + 502(g) → 4NO(g) + 6H2O(g) AH = -906 kJ What is AH for the reaction: NO(g) + 3/2H20(g)…
A:
Q: L. Using Table 1, calculate AH for each of the following reactions. Tell if each is exothermic or…
A: Calculate enthalpy of the given reactions----
Q: Calculate AG of a reaction in which AH = 9,365 J and AS = 11.0 J/K at 34.8°C. %3D !3! Your Answer:…
A: Note - Since you have asked multiple question, we will solve the first question for you. If you…
Q: Look at the net ionic equations for Reactions 2 and 3, and make a similar statement concerning the…
A: We have to write net ionic equation
Q: 1) Under constant pressure conditions, the enthalpy of a reaction is equal to: a) -pAV b) qp с) q d)…
A: Hi, as you have posted multiple questions and have not mentioned which question you want us to solve…
Q: A neutral solution of water at a particular temperature has a concentration of OH of 4.2 x 107 M.…
A: Given: The concentration of OH- for a neutral solution of water at a particular temperature = 4.2 ×…
Q: Nagyung wanted to determine the heat of dissolution for potassium chlorate (KClO3, MW: 122.55 g/mol)…
A:
Q: The value of Kj and K for sulfurous acid are 1.70×10² and 6.40x108, respectively. (Use H30* instead…
A: Equaions for the dissociation of sulfurous acid with different Ka values are
Q: Given that: AH'f (Fe(OH)3 (s) ] =- 823.0 kJ/mol AH*f [Fe-3 (aq)] = - 48.5 kJmol AH*f[OH (aq)] = -…
A: To find enthalpy change
Q: In which of the following reactions is the enthalpy 2. change likely to be exothermic (AH CH3CO0-…
A: Exothermic Reaction means that Heat gets librated during the course of reaction
Q: A student dissolves 11.9 g of sodium chloride (NaCl)in 250. g of water in a well-insulated open cup.…
A: Given that: Mass of NaCl = 11.9 g Mass of water = 250 g Initial temperature (Ti) = 23°C Final…
Q: 2. Calculate AH for the reaction 4 NH3 (g) + 5 O2 (g) → 4 NO (g)+6 H2O (g), from the following data…
A: As already mentioned that need help in question number-2 so am going to do question-2…
Q: Complete the following reaction scheme. A H H,0, H,O* HBr, H,02 Br, H,0 conc. H,SO, H;C- CH3 G H,,…
A: Since you have posted question with multiple sub-parts, we are entitled to solve the first 3 only.…
Q: The dissociation of the weak acid acetic acid (CH3COOH) is represented by the equation below. Enter…
A: The acetic acid is the weak acid as it does not dissociate completely.
Q: acid
A: Since you have asked multiple question, we will solve the first question for you.If you want any…
Q: What is the observable result of: Cl + Ag AgCl(s) + 2NH3(aq) AgCl(s) + sunlight Br+AgNO3…
A: Since you have posted a question with multiple subparts, we will solve the first three subparts for…
Q: A. Consider the following unbalanced particulate representation of a chemical equation: S= yellow 0…
A: (A) The given representation of chemical equation is as follows: First count the number of atoms…
Q: ANearpod: Endothermic and exot x Nearpod - Indicators of a Chemle X G translate - Google Search + x…
A: The correct answer about oxidation is given below
Q: Pls help ASAP
A: The answer is given as follows
Q: Using only data obtained in Lab 9 (The Heat of Formation of MgO), for which reaction would it be…
A: The enthalpy of formation is the heat evolved or absorbed when 1 mol of a compound is formed from…
Q: A student dissolves 12.0 g of lithium chloride (LiCI)in 300. g of water in a well-insulated open…
A: The balanced equation is LiCl (aq) ------> Li+ (aq) + Cl– (aq) Number of moles of LiCl =…
Q: 2KCIO,(s) → 2KCI(s) + 30,(g) decomposition reaction ->
A: In a chemical reaction; the substance which involves in conversion is said to be reactant whereas…
Q: A student dissolves 14.6 g of lithium chloride (LiCI)in 250. g of water in a well-insulated open…
A: Given : Mass = m1 = 14.6 g Mass = m2 = 250 g T1 = 21.0°c T2 = 33.5 °c Time = 6.3 min Finds : To…
Q: A student dissolves 13.2 g of lithium chloride (LICI) in 200. g of water in a well-insulated open…
A: Introduction In a particular reaction, the evolution (release) of heat indicates that the reaction…
Q: A student dissolves 14.0 g of potassium chloride (KCI)in 300. g of water in a well-insulated open…
A: Answer :- Reaction Endothermic Heat absorbed (released) 2.38 kJ Enthalpy of reaction per…
Q: A student dissolves 14.1 g of potassium chloride (KCI)in 250. g of water in a well-insulated open…
A:
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
- Zinc(s) (MW=65.38), with a mass of 0.825 g, was reacted with 25.00 mL of NaClO (MW=74.44) according to the following unbalanced ionic equation. Determine the normality of NaClO.Zn(s) + ClO- → Zn(OH)2 + Cl- (in basic medium)a) What is the biochemical standard state? Why are these conditions needed to study biological reactions? ( b. How do you define an ideal solution? Why ionic solutions do not are they ever ideal? Explain your answer ( vs. Why are some poorly soluble salts more soluble in solutions ionic than in pure water? d. Consider the dissolution of PbCl2 in water. i) How does the solubility of lead chloride would be affected by the addition of 1M NaCl. ii) Would you expect the addition of 1M KNO3— to have an impact on the solubility of lead chloride? Why? e. For the following chemical reaction A + BC, the equilibrium constant is 4.34x10-4. Will this reaction favor the products or the reactants? If the reaction quotient is measured to be 9.87, in which direction will the reaction proceed? (forward or backward)Rose was studying the electric field effect on bacterial growth when he unknowingly carried out an anodic reaction on the platinum electrode that led to the discovery of the anticancer drug cisplatin, cis-[PtCl2(NH3)2]. > Determine the formation constant (Kf) of cisplatin at 25 °C.
- Given the reaction Sn4+(aq) + 4e− → Sn(s). What is the value of ΔG° ?Suppose you are given 0.0856ppm to be the concentration of dissolved lead found in pond water after dilution factor of 1:100 in 100ml volumetric flask and the other sample is diluted at the dilution factor of 1:2 and the concentration is 2.14ppm. How would you comment on the amount of lead in pond waterIf 100mL of a pharmaceutical preparation contains 20mcL of a 50% w/v solution of benzalkonium chloride, what is the percentage strength of that agent in the solution? A. 0.1% B. 0.001% C. 0.01% D. 1%
- Calculate the Gibbs free energy of the reaction from mixing 50 mL each of 0.50 M Ag+(aq) solution and 1 M of NaCl(aq) to form AgCl(s) at 25°. The Ksp of AgCl is 6.0 × 10—11 at 25 °C.The solubility of silver sulfate in water at 100oC is approximately 1.4 g per 100 mL. What is the solubility product of this salt at 100oC ( Mwt =311.799)?Potassium acid phthalate, KHC8H4O4 ( MM=204.2 ), reacts with sodium hydroxide on a 1:1 molar basis. A sample of the acid weighing 0.4823 g was titrated with NaOH, requiring 24.35 mL to reach the endpoint. Calculate the molar concentration of the sodium hydroxide solution.
- One ecologically important equilibrium is that between carbonate and hydrogencarbonate (bicarbonate) ions in natural water. (a) The standard Gibbs energies of formation of CO32−(aq) and HCO3−(aq) are −527.81 kJ mol−1 and −586.77 kJ mol−1, respectively. What is the standard potential of the HCO3−/CO32−,H2 couple? (b) Calculate the standard potential of a cell in which the cell reaction is Na2CO3(aq) + H2O(l) → NaHCO3(aq) + NaOH(aq). (c) Write the Nernst equation for the cell, and (d) predict and calculate the change in cell potential when the pH is changed to 7.0 at 298 K.Calculate the ΔG rxn,298 for the precipitation of AgI at 0.05 M. Ag+ (aq) + I- (aq) → AgI (s)1.1The Ksp of Ca3 (PO4 ) 2 is 1.3 × 10−26 . Estimate the solubility of this salt in units of g. L −1 . You must show any reaction equation(s) that you may think are necessary. 1.2 If a sample of solid Ca3(PO4)2 is stirred into exactly one litre of a 0.550M solution of Na3PO4, how will the solubility of the salt compare with the answer that you have obtained in question 1.1? Explain you answer in a short sentence.