A student synthesizing [Cu(NH3)4(H2O)]SO4crystals from copper sulfate pentahydrate crystals rushing for time, used the molecular weight for anhydrous copper sulfate in computing the yield What error can we expect with the yield? O positive error no error negative error

Q: Observation for the Fluorescent white light, smoke, white powder formed at the tip of tongs reaction…

A: We need to identify the type of reaction in both the cases:

Q: Balance each of the equations below, and indicate the type of reaction for each equation.…

A: It is an thermal decomposition reaction in which  one reactant decomposed to form more than single…

Q: 1.16 Ti(a) transforms to Ti(B) at 882°C (1155 K), with a heat of transforma- tion equal to 830…

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Q: In nitration reactions, the role of sulfuric * acid is to reduce the ionization of nitric acid, and…

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Q: what is the coefficient in front of the O2 when the equation is balanced (using only whole numbers…

A: Given, Consider the reaction: C2H6O(g) +O2(g)  ------>CO2(g) +H2O(g)  The coefficient in front of…

Q: Calculate AG° for the below chemical reaction using the provided AG° values. 2 PCI3 (g) + O2 (g) → 2…

A: Given: ∆Go POCl3(g) = -502.5 kJ/mol ∆Go PCl3(g) = -269.6 kJ/mol ∆Go O2(g) = 0 kJ/mol

Q: The reaction between ammonia and nitrous oxide is given below:2 NH3(g) + 3 N2O(g)  4 N2(g) + 3…

A: A chemical reaction is symbolic representation of the conversion of substances to new substances.In…

Q: Please fill in the table, solving for ∆H =  ∆G =  ∆S = S°=

A: ∆H is the change in enthalpy, ∆G is change in Gibbs free energy and ∆S is the change in entropy.…

Q: Write balanced formation equations for the following, indicate proper states:…

A: we have to balance these two equations: _______________ → N2O3(g) _______________ → C2H3F(g)

Q: Determine the percent yield of the synthesis.  The % yield = 81.33 % The Theoretical Yield = 2.65g…

A: The percentage yield has to be given,

Q: What are the coefficients for the following equation? MnO2(1) + Al(I) Al203(1) + Mn(I) O 3, 2, 1, 3…

A: In product side, Al2O3 is present. Hence, 2 Al is present. So, in reactant side 2 moles Al should be…

Q: Write balanced formation equations for the following, indicate proper states:…

A: The compounds given are N2O (g), Na2S2O7 (s), C2H6O (l) and B3N3H6 (s). Formation reactions are…

Q: 2. Determine the AH° for the rxn: Cigraphite)+1/202(g) Given the following steps: Step 1:…

A: Given, a) C(graphite) + 1 O2(g)  ➝ CO2(g) ∆H°rxn = -393.5 kJ/mol b) CO(g) + 1/2 O2(g)➝ CO2(g) ∆H°rxn…

Q: Given the reaction: Fe(NO3)2 + Na2CO3 → FeCO3 + NaNO3 The coefficients (in order) when this…

A: The given reaction is an example of double displacement reaction.   Fe(NO3)2 + Na2CO3 → FeCO3 +…

Q: A student synthesizing [Cu(NH3)4(H2O)]SO4crystals, rushing for time, decided to dry the crystals in…

A: We can expect a negative error with the yield. This is because the complex on heating release water…

Q: Which of the following reactions have AH° equal to AHfº? Select all that are True. Ca(s) +…

A: Standard enthalpy change, ∆Ho of a chemical reaction is equal to standard enthalpy of formation,…

Q: For all of the following experiments, under standard conditions, which species could be…

A: A. Lead is more reactive than Cu, thus can replace Cu from its aqueous solution. Pb+Cu2+→Pb2++Cu…

Q: Calculate for the theoretical yield of Rochelle salt (MW = 282.83) that will be obtained from 8.6…

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Q: Commercially available H2SO4 is diluted to increase its strength so that it will be safe for use by…

A: We have to tell whether the given statement is true or false

Q: Reaction 5: In the final crystallization step, the aluminum sulfate from the previous step reacts…

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Q: Assuming an efficiency of 43.20%,43.20%, calculate the actual yield of magnesium nitrate formed from…

A: Solution stoichiometry is mainly based on the calculation of moles and volumes. These two values are…

Q: Assuming an efficiency of 29.60% calculate the actual yield of magnesium nitrate formed from 126.9 g…

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Q: Which of the following factors can be a reason for yied percentage to be low? 1.Reactant impurities…

A: The question is based on the concept of reactions. We have to identify the reason for low yields.

Q: 1. Calculate the percent of SiO, in the mixture by using the equation: %= part * 100 whole 2.…

A: The unknown sample contains NaCl and SiO2. We are given the masses for different measurements of…

Q: 1. Write a balanced equation for the reaction between sodium carbonate (Na2CO3) and hydrochloric…

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Q: Assuming an efficiency of 41.40%,41.40%, calculate the actual yield of magnesium nitrate formed from…

A: Mg(s) + Cu(NO3)2 ----------> Mg(NO3)2 + Cu Moles of Mg reacting = Mass of MgMolar mass of Mg =…

Q: 5.46 (a) and (b)

A: (a)Given, Moles of O2 = 1.36mol. Change in enthalpy of the reaction = -89.4kJ. The change in…

Q: Determine the equilibrium constant for the reaction                         2 OF2(g) + SO2(g)  ⇆…

A: Equilibrium constants: Assume a reaction- x A (g) + y B (g) ⇌ u C (g) + v D (g)  where, A and B are…

Q: Determine the product(s) formed in the following reaction. If more than one product is possible,…

A: Hydrogen bromide reacts with an alkene to form alkyl bromide. The reaction completes in two steps…

Q: You reduce a 0.9355g solid platinum (IV) oxide with 0.0879g hydrogen gas to yield elemental platinum…

A: Limiting reagent is defined as the reactant which is present in a limited quantity in the reaction.…

Q: Find the (integer) stoichiometry coefficients for the correctly balanced reaction: Cr,03 (aq)+ H*…

A: Correct answer is (D) 1, 14, 9, 2 , 7 , 3 Balanced chemical equation: Cr2O7 (aq)2-  + 14H(aq)+  +…

Q: 17. What is 72.0 °F in °C and K? A: 22.22; 295.4

A: The formula to convert oF to oC is shown below, ( X °F − 32) × 5/9 = 0 °C   ( 72 °F − 32) × 5/9 =…

Q: Assuming an efficiency of 32.70%,32.70%, calculate the actual yield of magnesium nitrate formed from…

A: Given for the following Reaction, efficiency is 32.70% - Mg+Cu(NO3)2⟶Mg(NO3)2+Cu   Here , the Atomic…

Q: Give the balanced chemical equation for each of the reactions below. Include states.  (a) Fe2O3 +…

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Q: Given the reaction:    Fe+2 + Cr2O7 -2  → Fe+3 + Cr+3  How many mole/s of Fe+2 is/are used…

A: 6 moles of Fe2+ are used in balancing the reaction, and henc

Q: Fe2O3 is produced from a pyrite concentrate containing 65% by weight of pyrite (FeS2) by total…

A: Given reaction: 2FeS2 + (11/2)O2 → Fe2O3 + 4SO2 Weight % of Fe2O3 contains in FeS2 = 65% Mass of…

Q: actual yield of magnesium nitrate formed from 145.7 g145.7 g of magnesium and excess copper(II)…

A: The molar mass of magnesium (Mg) and magnesium nitrate (Mg(NO3)2) is 24.305 g/mol and 148.3 g/mol.…

Q: Assuming an efficiency of 28.00%,28.00%, calculate the actual yield of magnesium nitrate formed from…

A: The ratio of actual yield to the theoretical yield is known as efficiency.

Q: C,H,,(g) + O,(g) CO,(g) + H,O(g) Select the coefficients that will properly balance the equation. O…

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Q: Balance the following reaction. The charge on Cu in CuS is 2+. You may add additional phases but not…

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Q: In a pure sample of blue vitriol the Copper content is 25.45%. Calculate the new percentage of…

A: The number of moles of a substance is given by the mass of the substance upon its molar mass. The…

Q: 1. More than 2000 years ago human cultures figured out a way to produce iron metal from rocks…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subpartsfor…

Q: Which reaction has a positive AS? O Cao (s) + CO2 (g) → CaCO3 (s) O N2 (g) + 3H2 (g)→ 2NH3 (g) O…

A: Which of the following has a positive ∆S ?

Q: Suppose you performed a similar experiment using an unknown sample of carbonate. The pressure and…

A: Given that: Volume of 1.0 M HCl solution = 22.0 ml Temperature, T = 21.5oC = 294.65 K Final pressure…

Q: f Aluminum and copper was treated with aqueous HCL . the Aluminum dissolved according to reactionAl…

A: the general equation is as follows-Al+3HCl→AlCl3+32H2It can be expressed as,Al+3H+→Al+3+32H2as STP,…

Q: 4. From a pyrite concentrate containing 65% by weight pyrite (FeS,) by total oxdizer roasting, the…

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Q: 1. More than 2000 years ago human cultures figured out a way to produce iron metal from rocks…

A: Answer e:              We can write overall reaction and calculate the change in enthalpy and…