archaeological specimen

Q: CH;I NANO2

A: The reaction given is,

Q: Express the results of the following calculation in scientific notation 0.0121 cm to the power of 2…

A: Scientific notation is a method of writing a very large and small numbers.

Q: Which is the total predictive error?

A: In chemistry there are many ways to check the deviation of experimental data from the accurate…

Q: help me find the standard deviation

A:

Q: Explain what is meant by the scientific method.

A: The concept of scientific method has to be explained.

Q: the liquid 2,3 butanedione has a density of 0.981 g/ml at 18.0 degree celcius.If a 103 gram sample…

A: The density of a substance is defined as a mass of a unit volume of the substance. The density of…

Q: 8. 9. 6. 7.

A: Molecules (6) and (8) are ester Molecule (7) is an ether Molecules (9) and (10) are acid halide

Q: common laboratory operations

A: When a chemist works in a chemical laboratory, he/she should be thought to have some basic knowledge…

Q: Mg ati

A: 1. Alkyl halide react with magnesium to give alkyl magnesium halide (Grignard reagent).

Q: .Identify the three steps in the scientific method.

A: A scientific method is based upon questioning and reasoning about certain kinds of changes taking…

Q: Which of the following terms describes what a doctor forms when treating patients prior to ordering…

A: Experiment is the term required for the treatment of the patient by the doctor with the normal…

Q: d. H>SO,(aq) + KОНад) -

A: The answer for number 25 letter d is given below. Kindly post the other question as separate…

Q: 42 (0 42 21 22

A: NOTE- As the question contains multiple subparts, we will solve the first part for you. To get the…

Q: Meo OMe NMe

A: We have to carry out the given transformation.

Q: In what types of technology do the elements designated as critical materials generally play…

A: Some critical materials can produce very powerful magnets which withstand very high temperatures.…

Q: Select characteristics of Components

A: A system is an orderly grouping of interdependent components linked together according to a plan to…

Q: Does standard deviation give a measure of precision or accuracy?

A: Interpretation - Does standard deviation give a mesure of precision or accuracy -      Introduction…

Q: What is tbe weight  in Newton of a 225 gram package of breakfast cereal

A: The weight of the body is the force imparted by the body over the surface of the Earth. The SI unit…

Q: How are systematic method errors detected?

A: Systematic method error is a kind of systematic error. It will have a different calculated mean…

Q: Engineering materials are materials utilized in the development of new technologies. (A) True (B)…

A: Engineering materials are group of materials that can be used in construction of man-made structures…

Q: How are systematic errors detected?

A: Systematic method error is a kind of systematic error. It will have a different calculated mean…

Q: Fossils show that humans have existed

A: By studying the fossil record we can tell how long life has existed on Earth, and how different…

Q: Why do gems have different properties than metals? I need a claim,evidence and reasoning.

A: Gems are the polished forms of gemstones. They are precious stones or minerals such as diamond,…

Q: 6. What is the difference between ACCURACY and PRECISION?

A: Accuracy:The measurement of how close the calculated value to the standard value is said to be…

Q: What are the examples of Quantitative Chemistry?

A: Interpretation: The examples of Quantitative Chemistry are to be provided.

Q: physical and chemical methods are one of the quantitative analysis .A True .B False .C .D

A:

Q: Ic

A:

Q: b. I-C-N in ICN O 90° O 109.5° 120° 180

A: Since you have asked multiple questions, we will solve the (b) question for you as you specify above…

Q: Hazard symbols are recognizable symbols designed to know about (safety). * O True O False

A: Hazard symbols are some pictorial presentation which give some information about dangers associated…

Q: Cú Li CI

A:

Q: Type of chemistry

A: In the field of science there are many different types of chemistry. The following page will deal…

Q: How do I calculate the number of moles of potassium permanganate used in each titration?

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

Q: Which of the following properties of a piece of wood are physical properties? Check all that apply.…

A: We have to discuss about physical properties of wood.

Q: CI CI (d) Observer

A: Here we have to write Newman projection of the following given molecules.  It is method to represent…

Q: You are given the following data set: 50.3 52.8 60.3 55.4 48.3 35.4 57.6 Please choose the best…

A: As per our community guidelines we can only answer 3 sub-parts of a question, out of all the…

Q: cording laboratory results, the following shall be done, except: A. None of the given choices. B.…

A: Ammonia is basic in nature. Acidity and basicity can be measured by litmus paper test.

Q: 22. Convert th

A:

Q: Part B Which of the following properties of a piece of wood are physical properties? Check all that…

A:

Q: Substance Physical Appearance Fe

A: Fe is the symbol of Iron element. Its atomic number is 26 in periodic table. It is a metal that…

Q: Standard Deviation (mg CaC03/L water sample)

A: The standard deviation in the values of hardness (in mg CaCO3/L water sample) is to be determined.…

Q: e the density of iridi

A:

Q: give me examples of scientific method

A: In scientific method first, the question is asked based on approaching the scientific problems…

Q: Is the separation method used in brewing a cup of coffeebest described as distillation, filtration,…

A: The separation method used in brewing a cup of coffee is filtration. In this process when grinded…

Q: The Calcium content of a banana sample was homogenized and measured. Are the results comparable? Do…

A: Analytical chemistry is the branch of chemistry which deals with determination of constituents of a…

Q: Cl2 / CC4 a. 33 Study Unit 7 Br2 / CCl4 b.

A: Organic reaction with meachnism

Q: Name the laboratory equipment.

A: this is an image of four test tubes placed in a test  tube stand

Q: If the denisty of Platnuim is 19.32 g/cm3 what could the dimnesions of a cube be that weighted 1.00…

A:

Q: The pharmacist weight 800 mg of a substance on a balance of dubious accuracy. When checked on a…

A: Percent error is defined as the ratio of absolute value (modulus) difference of true value and…

Q: nanocar

A: In this question we have to choose correct option of the following statements with suitable reason.