What is the method of standard addition? If you are not told to add the amounts of Zn standard to the unknown sample as directed by the manual, how would you decide the amount of spikes to add?

Q: balancing equation XCl2+AgNO3  X(NO3)2+AgCL

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Q: Matter (pulling apart) Can it be separated by physical means? (evaporating) (filtering/sifting) Yes…

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Q: Balance the following equation [?] Cu + [?] HNO3 → [?] Cu(NO3)2 + [?] NO2 + [?] H₂O Note: Input the…

A: The unbalanced chemical equation given is  Cu + HNO3 → Cu(NO3)2 + NO2 + H2O

Q: A compound produced from the reaction between two substances (one solid and the other was gas ) and…

A: Reaction between solid and gas

Q: how many eggs are needed to make 1 dozen waffles. assuming you have enough of all the others given:…

A: Given as  2 cups flour + 3 eggs + 1 tbs oil -> 4 waffles The number of eggs is needed to make 1…

Q: SICI4 + O2 SiO2 + Cl2 The table shows an experimental record for the above reaction. Experimental…

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Q: Al + HBr AIBR3 + H2

A: Stoichiometry is quantitative relation between number of moles of reactants and products.  Chemical…

Q: 1. Finish this reaction equation and balance it correctly, assuming iron forms a +2 ion in iron…

A: Answer: Whenever formation of a molecule takes place, net charge on it will be zero because molecule…

Q: Consider the Haber-Bosch process for the synthesis of ammonia from its elements. Calculate the…

A: The Haber-Bosch reaction of the formation of ammonia is given as- N2 (g)  + 3 H2 (g) → 2 NH3 (g) It…

Q: Assuming an efficiency of 41.30%, calculate the actual yield of magnesium nitrate formed from 125.6…

A: The given reaction is,                           Mg + Cu(NO3)2 ⟶ Mg(NO3)2 + CuMass of magnesium…

Q: Balance the equation 235U+n→?+Zr+2n. O Te None of the above O 135 Sn 50 O Sn 50 O Te

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Q: In which reaction does copper act as the limiting reagent? a. Cu(s) + 4 HNO3(aq) → Cu(NO3)2(aq) + 2…

A: A limiting reagent is the reactant that is consumed completely in a chemical reaction and it…

Q: Balance each of the following equations. Part B HgO(s)→Hg(l)+O2(g) Express your answer as a…

A: A balanced chemical equation means when reactant and products contain same type and number of atoms…

Q: 1. What is the sum of the coefficients once the following chemical equation is balanced? L(8) +…

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Q: Now if z is the initial mass of magnesium and y is the initial mass of aluminum, the total number of…

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Q: 19 Which chemical reaction will happen? A. Nis) + ZnCl2(aq) → B. Ni(s) + CoCl3(aq) → C. Ni) +…

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

Q: The typical grade of Pine Point ore is 3% for Pb, and 7% for Zn. Suppose the sample pictured in the…

A: Given , typical grade of pine point ore is 3% pb . 7%  Zn And total weight of the sample = 13.6kg…

Q: QUESTION 7 In the reaction: Co(s) + Cl2(g) - CoCl2(s), which chemical is the reducing agent?

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Q: Consider the following reaction: Al 25 3+_ NaNO 3 →_ Na 25 + _ Al(NO 3) 3. The coefficients that…

A: The unbalanced equation is: Al 2S3+ NaNO3 → Na2S + Al(NO3)3 Let us first balance Al both side, Al…

Q: Balancing chemical equation Balance the chemical equation below using the smallest possible whole…

A: Balanced chemical equation: Balanced chemical equation is the reaction in which number of atoms of…

Q: This equation models how pure silver (Ag) is extracted from ores of AgK(CN)2 (potassium…

A: The balanced chemical equation,  2AgK(CN)2(aq) + Zn(s) → 2Ag(s) + Zn(CN)2(aq) + 2KCN(aq) Given,…

Q: D E HNO3 H₂SO4 СО2 H+ F ОН E A [H] 1. Fe, HCI 2. OH -СН3 COOH B OH OH NaNO2 HCI C H2O D

A: The synthesis of aspirin can be achieved by nitration of benzene then it's reduction to give aniline…

Q: Say you have a stock of 15% NaCl and need a reaction concentration of 1% in a total reaction volume…

A: Given that,  % Concentration of NaCl stock solution C1 = 15% Volume of NaCl stock solution needed to…

Q: "Calculate the mass of diethyl ether (in grams) given the values listed in the reaction scheme. Keep…

A: To solve this question, we need two main components : Volume of diethyl ether. Density of diethyl…

Q: Balance each chemical equation Na2S (aq) + Zn(NO3)2 (aq) ----> NaNO3 (aq) + ZnS(s)

A: The objective of this question is to balance the given chemical equation. Balancing a chemical…

Q: Choose all of the given components that should not be included in a Materials and…

A: A research articles in the field of chemistry generally contains the following major aspects. Title…

Q: . The decomposition by the equation of PCBS can be represented 2 C1₂ Hy Cl + 23 0₂ + 2 H₂O → 24 C02₂…

A: We can calculate amount of HCl by using unitary method as follows

Q: added, mL 20.6 mL 19.70 mL Use the equation shown to calculate the concentration of the sodium…

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Q: Note: mass values should be listed to three decimal places (eg. 0.XXX). Percent values should be…

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Q: 1. As shown, silicon for computer chips is grown in large cylinders called "boules" that are 300 mm…

A: a) Length of the Si boule = 2m = 2000 mm  Thickness of the wafers = 0.75 mm  Number of wafers that…

Q: Consider the balanced chemical equations shown below. When a 6.00 g sample of a mixture of iron (Fe)…

A: According to the question, we have: Mass of mixture of Fe and Al = 6.00 g Excess of HCl is present…

Q: Consider the reaction 3X + 2Y→ 5C + 4D With excess Y, how many moles of X are needed to produce…

A: Reaction:    3X  + 2Y  → 5C + 4D   According to the reaction: 4 mol of D is produced when = 3 mol of…

Q: Drag the tiles into the numerator or denominator to form the expression. Each reaction participant…

A: chemically equilibrium in a reversible reaction is the state at which both forward and backward…

Q: Complete the following table, making sure to include your Concentration of Concentration of acetic…

A: This question is based on stoichiometry and theoretical yield of a substance in a reaction.

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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