Question 13 4 Listen How many of the following are pure compounds? sodium, sugar, oxygen, air, iron

Q: Metal Cost Copper $4.00 Zinc $2.75 Brass $2.71 Aluminum $1.49 Let's say you wanted to create a…

A: E⁰ for Al3+ / Al(s) =-1.66V as anode low reduction potential E⁰ for Zn2+ / Zn(s) =-0.76V  as…

Q: Identify the Balanced Chemical Reaction of the given.

A: Sodium borate reacts with hydrochloric acid forms boric acid.

Q: Part IlI: Determination of Saturated Solutions

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Q: (250+2) Sample cell calculations : Mmo01.3mL Fraze (need) (stock) а така им enzyme fatty acid 120 MM…

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Q: 1) Why is NaCIO left out of some laundry bleach? It is not due to price.

A: Given statement,      NaClO left out of some laundry bleach

Q: 0.0 M sucrose = _______ 4.6 - 4.3630 = 0.008_____________ g/min 0.4 M sucrose = ________ 4.2 -…

A: The data given is,

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A: 1. SOLUTION - The correct option is (a) minimize solution resistance According to the question -…

Q: Post-Lab Discussion Questions: (For Lab Report) 1. Which metal reacted with the most solutions?…

A: The experiment is based on reactivity series of metals. In this series, the metals are arranged as…

Q: Q2 The soil was flooded with water, the depths of water above the soil surface at the different…

A: Solution -

Q: Data Fill in the time and temperature for each solution: Solution Temperature ("C) Time (s) 17.9°C 1…

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Q: Solve for a,b, and c

A: The amount of stomach acid neutralised is calculated as,

Q: ion Fe + 3e → Fe, how many grams of Fe will result if you apply a current seconds?

A:

Q: Question 1. What is the precipitate formed from the reaction of permanent hard water with sodium…

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

Q: In the reaction of 10.00 mL of FeCl3(aq) and 12.4 g of K2C2O4(aq), you calculate that 9.58 g of…

A: Solution :      Percentage yield provides the ratio of actual yield to the theoretical yield of the…

Q: Dilution is done to commercially available acids such as HNO3, H2SO4 etc so that the strength is…

A: It is a False statement. Dilution is done to commercially available acids such as HNO3, H2SO4 etc so…

Q: Part A MISSED THIS? Watch IWE 9.3; Read Section 9.4. You can click on the Review link to access the…

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Q: You need a 25% alcohol solution. On hand, you have a 450 mL of a 20% alcohol mixture. You also ha…

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Q: 12- Metallic compounds aren't eliminated from crude as metals, and they're usually just a bother if…

A: Metallic compound form a tiny composition of crude as metal but they need to be eliminated as they…

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Q: Part A What are the right statements about the benefits of replacing organic solvents with ionic…

A: Ionic liquids have significant advantages over typical organic solvents, making them appealing for…

Q: What are pipeline slurry systems? How do they function?

A: Slurry is a mixture of solid in a molten state. It is denser than liquid and is mobile. The…

Q: A student needs a 15% hydrochloric acid solution for a chemistry lab. How much 20% hydrochloric acid…

A: Given: Concentration of HCl in final solution required = 15 % Concentration of stock solution 1 = 20…

Q: Consider the leaching of CuO at 28°C. Using the pH of the solution taken at different periods of…

A: Given, Arrhenius constant is 80000“Since you have posted a question with multiple sub parts, we will…

Q: HBF, is typically sold as a 48 wt% solution (dissolved in H,O). The density of this solution is 1.4…

A: The given data contains, It is sold as 48% wt . Density = 1.4 g/ml. ,Molar mass = 87.81 g/mol.

Q: II. Unexposed 4 Months 8 Months 1 Year 2 Years 3 Years 4 Years 5 Years 7 Years 10 Years 15 Years…

A: Several metals are used to construct the Statue of Liberty which react with oxygen and acid rain.

Q: In case of accidents inside the laboratory, the student should * report the accident to the…

A: In laboratory accidents may occur due to some negligence.

Q: Complete the table below. Given the data obtained from the voltmeter ranking of metals, calculate…

A: Calculate average voltage and standard deviation.

Q: 3. Voltammetry is limited to analysis of inorganic samples only.

A: Voltammetry is an analytical technique in which a species is identified and its concentration is…

Q: Zn + hydraulic acid _________ + hydrogen

A: Given incomplete reaction is :  Zn + hydraulic acid _________ + hydrogen Complete the given reaction…

Q: 18. The mass of an Iron cylinder is 125 g. The cylinder is placed into a graduated cylinder…

A: Given,mass of iron cylinder = 125 gvolume of water in graduated cylinder = 30.00 mLvolume of water…

Q: [1 minute = 60 seconds] A. Nature of Reactants A.1 The Affect of Metal Degradation Based on Acid…

A: So we first need to calculate the rates of each reaction.

Q: Using a new transfer pipet each time, transfer 15-20 drops of each solution into the correct test…

A: The objective of this question is to understand how to properly transfer different solutions into…

Q: There are three different ways in which salting' can take place. What is salting and why, though it…

A: Salting : Salting is a food preservation technique in which the food is surrounded in salt and left…

Q: Redox reactions can be seen all over us. Give an example of daily activities showing REDOX reaction.

A: There are many phenomenon where REDOX reaction takes place , such as , Rusting of iron , combustion…

Q: Sam raked 4 bags of leaves in 16 minutes. If he continues to work at the same rate, about how long…

A: Given that ,Sam raked 4 bags of leaves in 16 minutes.We have to calculate how long it will take him…

Q: Task 1: Electrochemical cell (Galvanic Cell) – Lead nitrate/Lead and Iron(II) nitrate/lron A dark…

A: Given: Electrochemical cell Lead nitrate/Lead and Iron nitrate/ Iron

Q: A factory is discharging wastewater containing 200 mg/L BOD into a river. The river has a discharge…

A: Given that  wastewater containing 200 mg/L river has a discharge of 10 m3/s

Q: 1. Calculate the concentration (mol/L or M) of calcium ions in each water sample using the molar…

A: The balanced chemical equation for the reaction between Ca2+ and EDTA is shown below: Ca2+ +…

Q: If you have 155 mL solution of a 0.762 M FeCl, solution, how many grams of FeCl, are contained in…

A: Fill in blanks as shown on problem

Q: Pentane (C5H12) is a liquid with density of 0.929 g/mL at 25 °C. Find the true mass of pentane when…

A: The true mass of pentane is calculated by using formula -  m = m' 1-dadw1-dad where  m = true mass…

Q: what is the chemical equation for the titration for the adsorption of Oxalic Acid on Charcoal.…

A: Given question is related to writing the stoichiometry balanced reaction of oxalic acid, potassium…