Select the Heterogeneous mixture from the list.a) A bar of Gold b) Cement with gravel c) Ammonia d) Nacho Cheese e) c and d

Q: Which of the following is the correct description of theinside of a grapefruit?(a) It is a pure…

A: Given fruit,           Grapefruit

Q: Part B A sample is composed completely of gold and is absolutely free of impurities. Which term or…

A: Given,  A sample is composed completely of gold and is absolutely free of impurities.

Q: How man

A: mole interms of particles :         1 mole = 6.022 x 1023 particles   mole interms of mass :…

Q: A Homogeneous

A: There are mainly two type of equllibrium reaction these are: Homogeneous Heterogeneous…

Q: 20. Another name for a homogeneous mixture is

A: Answer: SOLUTION is the another name of homogeneous mixture

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

A:

Q: What type of metal is this? Aluminum, Copper, Lead or Iron?

A: Specific heat of metal in cal/g˚C is 0.220 Specific heat of metal in J/g˚C is 0.920.

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: Explain what is the role of temperature on the phases of matter.

A: Anything that occupies space and has mass is called matter. Matter can exist in three physical…

Q: Which term listed is a property of a non-metal?  high density brittle shiny  conducts electricity

A:

Q: Which common inexpensive metal was more valuable than gold in the nineteenth century?

A: Solution:       Aluminum is considered as the third most abundant element in the earth crust after…

Q: when do sulfur and iron change their physical properties?

A: When iron and sulphur reacts, they form a compound iron sulphide (FeS)

Q: •Think it through #2: Compare and discuss the three approaches to the determination of the density…

A:

Q: topic: matter do you think that each sample occupies space? write the reason(s) for each sample…

A: Yes, since the two items listed above is an example is matter which occupies space while the light…

Q: questions8,9,10

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

Q: Which of the following is a solid metal under normal conditions: calcium, phosphorus, mercury, or…

A:

Q: How can we say that sugar is solid and water is liquid?

A: There are three states of matter: Solid: It has fixed volume and fixed shape. It can not be…

Q: Suggest how the components of each mixture can be separated. a. Salt and Sulfur b. Copper and Zinc

A: Solution The mixture of salt and sulphur is a mixture of heterogeneous mixture.They can be seperated…

Q: Was there an attraction or repulsion between the plastic ruler and the aluminum foil (ball)? Why?

A: We have to write if there was attraction or repulsion between the plastic ruler and the aluminum…

Q: What is an element? A. Oxygen and nitrogen joined together. B. A piece of pure nickel C. A water…

A: The question is based on the concepts of general chemistry. it talks about elements which is purest…

Q: Part B A silver necklace is made from a pure sample of silver that is free of impurities. Which term…

A:

Q: Based on the evidence, what metal are pennies mostly made of, and what metal are dimes mostly made…

A:

Q: Medical Technologists and technicians separate the plasma or serum from the solid formed elements of…

A: Blood is a specialized connective tissue. It has plasma and cells. Cells present in the blood are as…

Q: Liquid silver's chemical name is: a. Ag(only) b. Si(liquid) c. Ag (liquid) d. Hg(liquid)

A: Silver is a chemical component with the symbol Ag (f and nuclear number 47.

Q: initial mass of unknown solid 24.193 g volume of solid length of solid 1.8 cm width of solid 1.4…

A: Volume and density of the solid determined in cm3 and g/cm3 unit respectively.

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: Identify statement as being most like an observation, a law, or a theory. Yesterday, high tide in…

A: An observation could be described as what a person witness while performing experiments (or) any…

Q: A. Describe each of the following: a. Wash bottle b. Burette c. Weighing Bottle d. Dessicator B.…

A: Guidelines - As per our conduct of honor we can not solve more than one question. Kindly post other…

Q: A match is lit and held under a cold piece of metal. The followingobservations are made: (a) The…

A: Physical changes are those in which change is physical appearance takes place like smell, heat etc.…

Q: Two beakers contain clear colorless liquids, when the contents of the beakers are mixed,a white…

A: Physical change impacts only physical properties such as shape, size, melting point, and boiling…

Q: What is Heterogeneous substance? Give an example?

A: A mixture is a material made up of two or more different substances which are not chemically…

Q: Sandy water is an example of homogeneous mixture. Select one: O True O False

A: When two or more substances are mixed together in a solvent then it is called a mixture.

Q: Water is classified as a(n) a. atom. b. element. c. mineral. d. compound.

A: Is water is atom, element, mineral or compound has to be given.

Q: The photo below shows a picture of an agate stone. Jack, who picked up the stone on the Lake…

A: Now first when we consider jacks arrgument we see that the agate ston eis formed by the combination…

Q: Draw a diagram representing a homogeneous mixtureof two different substances. Use two different…

A: A homogeneous mixture is a mixture throughout the solution in which the composition is uniform.

Q: For safety purposes, it is advisable for individuals with long hair to cut their hair short before…

A: This question describes the safety rules that should be followed in the laboratory. A laboratory…

Q: Type of chemistry

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

Q: Chemistry is the study of ______

A: Chemistry is the study of matter and chemical reactions between different chemicals in the living…

Q: is stone a matter? why?

A: Matter: It is a substance that occupies space and has a certain mass. For example, if you consider a…

Q: Is helium metal nonmetal or metal loud

A: Helium is non - metal

Q: Metal copper and magnesium metal colors after being heated?

A: When copper metal is heated in the air, it reacts with the oxygen of air and forms copper oxide that…

Q: Consider two samples of palladium, an element used in automobile catalytic converters. Sample A is a…

A: Given as Sample A Mass = 97.36 g; Length = 10.7 cm; Radius=r = 9.82 mm Sample B Mass =49.02  g,…

Q: soda Choose. salt water Choose. + brass Choose. +

A: In multipart questions, we solve only first three subparts according to the Bartleby guidelines.…

Q: A) gas B) solid C) liquid D) salts E) ice

A:

Q: theoretical density

A: BCC(Body centered cubic) has 2 atoms.

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

A: Organic reaction with meachnism

Q: The best result depends on the accuracy and precision. Define precision and state the formula.

A: Precision is the closeness or repeatability of results.