Fisher Ball-and-stick Haworth Chair/ Envelope Conformation Complete name Projection structure representation [1] [2] H. 0 CH,OH H-G-H a-D-mannopyranose HG-OH HO OH HỌH HO_5_H CH OH [3] [4] [5] CH-OH CH,OH но. HO D-psicose

Q: ?If 35.93 mL of 0.1590 M NaOH neutralizes 27.48 mL of Sulphuric acid, what is the concentration of…

A: question -1 -given values  volume of acid = V1 = 27.48 ml.  volume of base=V2= 35.93 ml conc. of…

Q: Which of the following items is a physical property?     the combustion of gasoline     the…

A: Whthe following items is a -       the combustion of gasoline - Chemical property   the corrosive…

Q: How many significant figures are in each number?

A: Given :- A)  0.1 s B)  108,700 km  To calculate :-  Number of significant figures in each number

Q: A student is measuring a sample of sodium bicarbonate on an electronic balance that measures to the…

A: Introduction to electronic balance- An equipment used to measure material weight accurately is an…

Q: Knowing the Ka value of HF, calculate the Kb value of fluoride anion. (Give your answer as a pure…

A: Given Ka= 6.8 x 104 We have to calculate Kb value.

Q: Could the compounds shown below be separated by distillation? Yes or No. Using a sentence, explain…

A:

Q: Which of the following are chemical changes?         mold Distillation of Salt Water Cutting Fabric…

A: In chemical changes two or more substances combine to obtain a new substance which is totally…

Q: I am having trouble understanding the difference between a compound and mixture and how to identify…

A: When two or more elements are present together they are called compounds. Mixtures are made up of…

Q: Calculate the mass in grams of each sample. Express your answer using three significant figures.…

A: The molar mass of methane (CH4) is 16 g/mol. It explains as 1 mole of CH4 molecules will have 16 g…

Q: Answers will vary depending on your particular sample. Keeping in mind that the SI unit for mass is…

A: To give: An approximate mass of a grain of sand.

Q: Add mathematical symbols (+, -, *, /, v, !, etc.) to make the following expressions true. For…

A:

Q: The terms concentrated and dilute are quantitative. TRUE or FLASE

A: Chemical analysis can be divided into two types:Quantitative analysis: It determines the amount of…

Q: -22 A copper atom has a mass of 1.06 x 10 g and a penny has a mass of 2.5 g. Use this information to…

A: To find out the mass of 1 mol of copper atom, check the avogadro number in 1 mol and use that to…

Q: You can calculate cost effectiveness using the following formula: volume of HCI neutralized per…

A: Given Brand X antacid 2 tablets/500 mg dose 40 tablets/container cost:$3.75/container To find Cost…

Q: Part A How many significant figures are in each number? 0.1 s O 4 2 3 6 7 The number of significant…

A: Rules for identifying significant figures:  1. The digits except zero are always significant 2. The…

Q: In the image below, you will see four laboratory spectra for known elements as well as the sample…

A: To determine the chemical composition of unknown, we would check the spectral lines and use the…

Q: Express the corresponding readings, taking into account the figures that you can read with certainty…

A: In the given scale we have ten divisions between marked values. That mean we have ten divisions for…

Q: Pure substances have many ions heterogeneous mixtures a uniform appearance100

A: To find: The pure substance have--------?

Q: 5. Given your experience in mass determinations and with volumetric glassware, which factor used -…

A:

Q: An antacid tablet weighing 0.938 g contained calcium carbonate as the active ingredient, in addition…

A: We know that, according to the law of conservation of mass in a chemical reaction, the mass of the…

Q: 9.43×1019 CH4CH4 molecules Express your answer using three significant figures.   Calculate the mass…

A: We know, 1mole consists of 6.022x1023 quantity. Molar mass of CH4=16.04g/mol We will convert number…

Q: Super fine 40-gauge copper wire has a diameter of only 0.080 mm and weighs only 44.5 g/km, Suppose a…

A:

Q: Complete each row of the table below by filling in the missing prefix or missing exponent. 1n N = 10…

A:

Q: What is the mass, in g, of 2.67 × 10 nickel (Ni) atoms? Enter your answer in scientific notation. 12…

A: The given data contains, Atoms of nickel = 2.67×1012 Molar mass of Nickel = 58.69 g/mol.

Q: You will need to take logs and antilogs to solve many chemistry problems. For practice, complete the…

A:

Q: 4. Below each box, identify the class of matter (element, compound, mixture of elements or mixture…

A: Element: An element is formed by only one type of atom. All the atoms in the element are the…

Q: The following prompt will be used to answer the fırst six questions. An experiment was performed to…

A: Given: Mass of mixture is 20.100 g. Mass of initial filter paper 21.206 g. Mass of filter paper and…

Q: Calculate the number of carbon atoms in 1.21 g of table sugar, C₁2H22 O11- Express your answer using…

A: The Avogadro number, denoted as "N_A", is a fundamental physical constant that represents the number…

Q: You mix an unknown with one of three possible uknown compounds and the mixture immediately melts.…

A: Given:Mixing unknown with one of three possible unknown compounds.The mixture after mixing…

Q: What is the mass percent of phosphorus in P5O2?

A:

Q: A pure substance is: O composed of two or more regions with different compositions. O composed of…

A: Here we have to define pure substance.

Q: The U.S. Government has about 1.23 * 107 pounds of gold in Fort Knox. How much is it worth at…

A: 1.23 X 107 pounds of gold = 12 X 1.23 X 107 Toz = 14.76 X 107 Toz

Q: Which of the following is a heterogeneous mixture? Brass Raisin Bran  air  sugar water  none

A:

Q: State the number of protons in Ag^+. Express your answer as an integer.   State the number of…

A: Electronic configuration of Ag (47) = 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s1 Number of protons…

Q: (p) heterochain polymer (q) homochain polymer (r) homopolymer (s) hyperbranched polymer (t) ladder…

A: A polymer is a large molecule composed of repeating units called monomers. The monomers are bonded…

Q: plz explain in simple terms

A: H2​ and O2​ do not show any bond formation with each other. They are just placed with each other.…

Q: Part D 1.5630 x 1011 n m O 1 2 O 3 O 4 O 7 O 5 O 6 Tho numho of significant fig

A:

Q: A standard curve for absorbance vs. concentration has an equation of y = 2.0x.  If an unknown…

A:

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.