How many grams of sodium hypochlorite, NACIO, need to be added to 227 mL of a 0.185 M solution of hypochlorous acid, HCIO, to 10-8. get a buffer with a pH of 7.92? The Ką for hypochlorous acid is 2.9 x

Q: Which properties of zinc can you describe from thephoto? Are these physical or chemical properties?

A: Concept introduction: Physical properties: It is the property in which no new substance is formed.…

Q: Express 0.02030 in scientific notation

A:

Q: scientific notation of 50.031

A: Scientific notation is a convenient way to express very large or very small numbers. A number which…

Q: Choose an article involving chemistry published within the last six months. Explain how a chemistry…

A: Hydrogels are  class of polymer materials that can be absorb large amounts of water without…

Q: Fill out table. Show work please. Decimal notation 2,000,000 in scientific notation is ________…

A: Decimal notation  and scientific  notations are used interconvertibly

Q: For each trial (data in Tables 3 – 5) graph the volume of water displaced (in mL) on the x-axis…

A: The graph given shows the amount of water that is displaced with respect to time. The slope of any…

Q: A human hair is 75 um across. How many inches is this? STARTING AMOUNT ADD FACTOR ANSWER RESET *( )…

A:

Q: help please answer in text form with proper workings and explanation for each and every part and…

A: Solution : Factor out GCF(Greatest Common Factor) : 47(10000)(1300)(10000)​ Cancel out the GCF :…

Q: A reservoir is leaking water at a rate of 3.66 ml every 4 min. Provided that this water reservoir…

A:

Q: During your vacation you took a metal detector to Cannon Beach and discovered an unusual piece of…

A: Given data: Mass of metal = 185.9 g Volume of water in the cylinder = 9.63 mL Increased volume after…

Q: Methane gas and oxygen gas react to form water vapor and carbon dioxide gas. What volume of carbon…

A:

Q: Put answer in scientific notation  1.67x10^4/7.49x10^-4

A: The given calculation is: 1.67×1047.49×10-4

Q: An imaginary element Z has two naturally occurring isotopes, ³Z and 4Z. ³Z has a mass of 3.016 amu,…

A:

Q: 41 Which action demonstrates a physical change? Chopping wood Iron rusting Baking cookies Milk…

A: In our surroundings or environment two types of changes occur as;  Chemical change:- This a change…

Q: 0.3210 in scientific notation.

A: Given data, 0.3210 in scientific notation

Q: It is often necessary to do calculations using scientific notation when working chemistry problems.…

A: Powers are added in multiplication10n x 10m = 10(n+m) Powers are subtracted in division10n/10m =…

Q: A chemist prepares a solution of potassium chloride (KCl) by measuring out 0.60 g of KCl into a 100.…

A: Given Mass of KCl = 0.60 g Volume = 100 ml

Q: Penny sizes are the same before and after 1982. What can you say about the density of pennies before…

A: Penny sizes are the same before and after 1982, the density of pennies should have the same before…

Q: If you have a pOH of 3.65 the [OH] would be M. You only need to type the number in the box the unit…

A: Introduction: According to Bronsted and Lowry concept, an acid is a substance that can donate H+…

Q: How to write a scientific discussion?

A: Scientific discussions are used to understand research papers. These scientific discussions are…

Q: Hydrogen chloride gas and oxygen react to form water vapor and chlorine gas. What volume of water…

A: we have to calculate the volume of water produced in the reaction

Q: Volume of water in beaker (mL) Beaker reading 60 50 40 30

A:

Q: Draw a best fit line that represents all 5 data points and calculate the slope of the best fit

A: The Best Fit to the given 5 data points is shown below

Q: 1). Provide an example of application of chemistry in your home .    2)Provide one brief paragraph…

A: To provide an example of application of chemistry in homes and provide a description of concepts.

Q: Which of the following properties of copper are chemical properties? Check all that apply. > View…

A: The physical property of copper is measured without doing a chemical reaction or chemical change and…

Q: How do I write 42,124.50 mm3 in scientific notation?

A: Scientific notation: The expression of very big or very small numbers into a comfortable decimal…

Q: Make a graph of the average mass vs. year. Make sure axes are labeled.

A: For the given data, we have to plot the graph of average mass vs year.

Q: a) Why should a fixed-volume pipette be more accurate than a graduated pipette? b) Why would…

A: a) A pipette is a common laboratory tool used to transfer and dispense fixed amounts of liquids.…

Q: As we drive an automobile, we don't think about the chemicals consumed and produced. Prepare a list…

A: Fuels which are used in automobiles are Petrol, Diesel and CNG (gasoline). Fuels are mostly composed…

Q: Match each phrase with its correct term. Record your responses onto the Google Form. 53. A statement…

A: [53.]  A statement based on what you see, hear, taste, touch, and smell :  – (b.) Observation  [54.]…

Q: Convert the following to scientific notation, keeping only 2 significant figures: 0.000892

A: Significant Figures or Numbers: A significant number can be defined as the total number of the…

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.