Color of solution Is intensity of red color darker Is [Fe(SCN)]²* or lighter compare to the reference test tube color Test tube increased or |decreased? 1. Reference Blood red color 2. Fe* added Dark blood red darker color Dark blood red darker color Light Blood red lighter color 3. SCN° added 4. Fe* removed by adding CI | 5. SCN' removed Light blood red lighter by adding Ag* color

Q: Am I right? Calculate the mass percentage of water in the hydrate. Show the calculations. Sample 1…

A: mass percentage of water = Mas of waterMass of hydrate x 100

Q: 2 Fe + O2→2 FeO 1. The numbers in red boxes are... A. subscripts B. coefficients C. reactants D.…

A: The chemical on left side of arrow are consider as reactant on right side it is consider as product.…

Q: B. Calculate the following information. USE THE FACTOR-LABEL METHOD TO DO YOUR CALCULATIONS!!! 1. A…

A: The density of a solution is calculated by the formula: Density=MassVolume   Note: Since you have…

Q: None

A: Answer image:

Q: This question is complete.... is it 1,2,3 or 4?

A: This question not complete. It should be and instead or . Now This question is complete 1,2,3 and 4

Q: 1. 2 Li, Et,0 2. 0.5 equiv. Cul. 3. CH3(CH2)½Br -CI

A:

Q: Take notes using a wide range of analytical instruments.

A: Analytical instruments are class of equipments that are used in chemistry for various analytical…

Q: While creating a piece of art work, a student becomes curious about the ink he is using to create…

A: The ink is a homogenous mixture, as it appears to be uniform throughout.

Q: Review | Constants | Periodic Table Gasohol is a fuel containing liquid ethanol (C,H,O) that burns…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: Please help me with this 2 questions. Question 1 has parts to it. I have to show the work. Thank you

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: 13. Depict the electron configuration for magnesium ing an orbital box diagram and noble gas…

A: There are 4 sets of quantum numbers which are basically the address of an electron. These are; (i)…

Q: An electric current of 24.70 A transports 410. µC of charge: Calculate the time this took. Be sure…

A:

Q: Which of the following statements concerning the SI system is/are correct? 1. Prefixes are used to…

A: We have to predict the correct statement.

Q: questions8,9,10

A: Atoms are surrounded by electrons which revolve around nucleus. During bond formation, these…

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

A:

Q: Use the exponent (EE) functionality on your calculator to do these calculations (a & c should be…

A: Significant figures of the answer will be two significant figures as the questions have .

Q: In an experiment, calcium carbonate reacted with different volumes of hydrochloric acid in water.…

A: Calcium carbonate reacts with hydrochloric acid to form the carbon dioxide gas.

Q: What is the result of the following calculation to the correctnumber of significant figures?(6.266 −…

A: (6.266 − 6.261) ÷ 522.0 = ( 0.005) ÷ 522.0 = 9.579 x 10-6  Number of significant figures are 4.

Q: 2. What’s the main purpose of the glass shields on an analytical balance? A. To calibrate the…

A: The main purpose of the glass shields on an analytical balance is to remove the air current so that…

Q: An electric current of 0.650 A flows for 50.0 seconds. Calculate the amount of electric charge…

A: Given that, Current i=0.650 A time t= 50.0 seconds charge q= ?

Q: 1. a. What are the three classifications of chemicals used in analytical chemistry? (one is Primary…

A: In the given question we have to explain three types of chemicals, common sources of error and…

Q: If 2.0 x 104 moles of S20- in 50 mL solution is consumed in 3 minutes and 17 seconds, what is the…

A: Rate of reaction is equal to the change in concentration of reactant or product with respect to…

Q: Discuss the various ways in which chemistry has influenced the art world, a. including the…

A: Chemistry has had a significant impact on the art world in various ways, ranging from the…

Q: Without using a calculator, decide which would give a significantly smaller value than 8.83 x 10-2,…

A:

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.