Question 5, Listen Which of the following is an example of a qualitative observation? The leaf is 9 cm long. The temperature of the room increases by 8 °C. The veins are 3 mm wide. The weight of the book is 4.5 pounds. The plant is short.

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

A:

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

A:

Q: It is important to check the information attached to a product before using it.* True False Consists…

A:

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: Are Particles Visible? Can it be Filtered? Do Partices Settle? See Tyndall Effect? Msture Example…

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

Q: Solubility of Ca(OH)2 in 0.25M KCI Answer the concentrations and solubility in 3 significant figure.…

A: From the standardization of HCl data,  average molarity of HCl = 0.198 M  We can find the [OH-] by…

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

A: The data given is,

Q: A supporting electrolyte is usually added to the analyte solution to minimize solution…

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…

A:

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…

A:

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

A:

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…

Q: A student wanted to test if certain LED lights will light up when attached to a silver/lithium…

A:

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: [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: Prepare serial dilutions of 0.08M potassium chloride and 0.08M SLS from the stock solutions…

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

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: How to increase storage and shelf life of ready to drink bottled sorghum porridge using stabilizers…

A: Polyethylene Terephthalates is one of the major that is used to increase the shelf life. UV rays it…

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…

Introduction to chemistry

Chemistry is a branch of science that deals with the analysis of material and the substances that comprise it. It also manages the properties of these substances and their reactions to form new substances. It is basically centered on particles and atoms that make up components and mixtures. These chemical species will in general connect using bonds.