ii 00 iv vi

Q: 13.95589 183015g 17.64589 T6.99497 2.

A: Answer:

Q: Classify the following as element, compound, homogeneous mixture, or heterogeneous mixture. Some…

A: Homogenous mixture--->>It is a mixture of substances blended so thoroughly that you cannot see…

Q: 8. An example of a homogeneous mixture is a) b) chicken noodle soup powerade the helium inside a…

A: A homogeneous mixture has a uniform composition and appears visually the same throughout. Any…

Q: Classify the following as to: element, compound, homogeneous or heterogeneous mixture. Assignment :…

A: Element is a substance that can not be broken down into simpler substances by chemical means and…

Q: Grape juice is an example of a(n) A) element B) compound C) homogeneous mixture D) heterogeneous…

A: All matters in nature are mainly classified as two. They are pure substances and mixtures.  A pure…

Q: K The material labeled K contains elements that do not conduct heat or electricity well The…

A: We have to name the elements from periodic table from given choices of options having similar…

Q: Classify each statement as an observation, a law, or a theory.a. Chlorine is a highly reactive…

A: Observations are based on the experiments performed. Law is a statement obtained from the…

Q: 6. Gases can be compressed because: A. gases do not contain molecules B. molecules of gas can be…

A: There are three states of matter that we see in our dailylives namely solid, liquid and gas.

Q: 103. A thief uses a bag of sand to replace a gold statue that sits on alweight-sensitive, alarmed…

A: Note: According to the guidelines, solution of question number 103 has been done. For the expert…

Q: Carla made models of a water molecule and a hydrogen peroxide molecule. Oxygen atom Oxygen atom…

A: The elements present in water as well as in hydrogen peroxide are oxygen and hydrogen. But the…

Q: uestion 1 lany chemistry conferences have held a 30-Trillion Angstrom (A) Run. How long is thi…

A: The question is based on the concept of dimensional analysis. We have to convert angstroms into…

Q: Platinum, Pt, is one of the rarest of the metals. Worldwideannual production is only about 130 tons.…

A: We know that, density can be expressed as,

Q: Classify each statement as an observation, a law, or a theory. When iron rusts in a closed…

A: Law: Law is a concise statement that reviews past explanations and forecasts future plans.…

Q: Consider equal volumes (say 1 L) of a given substance in the solid, liquid, and gas phases. Arrange…

A: Mass of any substance is related to the density and volume of substance as, => Mass = density X…

Q: 40 electio 2.2 Sphere x has an axcess of 40 etectrons uhe y is neutiul. 2.25 culculute Hhe cluis on…

A: 2.1.1 -64 * 10-19 2.2.1- Quantisation 2.1.3 - X to Y 2.1.4- Q =-32* 10-19 2.1.5 - Electrostatic…

Q: used a 50-mL eudiometer while Group Y used a longer 100-mL eudiometer. After the experiment, both…

A: the volume readings in their eudiometers compareGroup X > Group Y

Q: Some properties of X, Y, Z at constant pressure are given in following table. PROPERTY Temperature…

A: An elements is something which can not be broken down further by chemical means. A pure substance is…

Q: Does smoke have mass? Does it occupy space? Explain why

A: When a substance having mass and acquires space in its surroundings then it is known as matter. For…

Q: K2S 7.69 x 1026 H2S04 1.29 C6H14 11.84 HClo3 2.45 x 1026

A: As you not specified so I am giving answer of first 3 questions  Use these formulas  Mole=mass/molar…

Q: What is the mass of phosphorus in a 45 kg person? .017 mass of P Incorrect

A: Determine mass of phosphorus in 45 Kg person?

Q: List three examples of substances. Explain why each is a substance.

A: List three examples of substances. Explain why each is a substance.

Q: Consider equal volumes (say 1 L) of a given substance in the solid, liquid, and gas phases. Arrange…

A: Th solution is given below -

Q: Anything that takes up space and has mass or weight is Select one: O Pure Substance O Element O…

A:

Q: A) n = 3, { = 2, m² = -2 B) n = 4, { = 3, ml = -3 C) n = 2, { = 1, m{ =-1 D) n = 2.5, { = 0, ml = 0…

A: n = Principle Quantum number. NO of the shell. l = Azimuthal quantum number.  ml = magnetic quantum…

Q: Label each substance listed below as an element (E), compound (C), heterogeneous mixture (He), or…

A: All of your previously answered questions are right except #9

Q: Part B 54.6 g N2 Express your answer using three significant figures. VO AZ ΑΣΦ N = %3D Submit…

A: First of all calculate the moles of N2 by using formula - mole = mass/molar mass

Q: lece of iron [c = ure of 57.0 °C and then placed Og piece of copper [c = 0.385 nsulated container.…

A: Given,  Mass of iron = 208 g Heat capacity of iron = 0.449 J/g-°c Mass of copper = 180 g Heat…

Q: 24. The graph to the right represents the uniform cooling of a substance, starting with the…

A: When we cool the gas, it converts into a liquid state. On further cooling the liquid converts into…

Q: William Higginbotham invented the Tenuss T/F

A: William Higinbotham was a scientist famous for the development of the radar devices used in World…

Q: d. What is the boiling point of potassium in °F? e. What is the boiling point of potassium in…

A: Boiling point is the temperature at which a liquid changes to vapour phase.

Q: a chemist has 19.50g alcohol. what is the volume of the sample, what additional information is…

A: The volume of a given liquid is defined as the amount of the space occupied by the liquid that fully…

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: As you know, one way to classify matter is by its material. Metals, nonmetals, and metalloids are…

A: The periodic table's leftmost elements have the strongest metallic characteristics, and when we move…

Q: 1.5x1023 molecules of sulfuric acid, H2SO4, would have a mass closest to     A. 10g…

A:

Q: What devices will you use to measure the mass and the volume of water?

A: Given is an extract of the procedure of doing an experiment . We are asked to answer the instruments…

Q: A scientist has two containers. Inside each container is a blue liquid. The liquids are substances.…

A:

Q: a. Sns) + 2Cu°(aq) → Sn + 2C45) (ag) b. Mgs) + Pb"aq) Pb + Mg > (aq) c. 2MN2 + 8H;Om + 10Hg²"(aq) -…

A:

Q: Max puts cereal in a bowl and pours milk over it. Which term best describes Max's bowl öf cere O…

A: The question is based on the concept of physical chemistry. We have to  identify the type of…

Q: 2. What is the chemical nature of a chocolate chip cookie? A. Element B. Compound C. Homogeneous…

A: By definition, an element is a pure substance that consists of identical atoms and it cannot be…

Q: 3. Nitrogen, when combined with oxygen, can form various oxides. 3.5 g of nitrogen gas i burned in…

A: We are authorized to solve only first three subparts of a multipart question. Kindly post rest of…

Q: 8. X is an unknown element at 1000 °C and 10.0 mmHg has a density of 8.8 x 104 g/L in gaseous state.…

A: Dear student , since you have posted multiple questions we will allow to solve only first question…

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: A piece at metal with a mes of 125 g n placed into a grahatest cyinder that conta 25 ofw ing the…

A: Using the Formula of density we can solve this problem.

Q: Anything that takes up space and has mass or weight is Select one: out of O Pure Substance question…

A: Anything that takes up space and has mass or weight is  Matter

Q: Section 1: Names and Symbols 1. Find at least 3 elements named after countries 2. Find at least 3…

A: Name and symbol of the element 3 elements named after countries = ? 3 elements named after…

Q: Neutron stars form when large stars collapse. They are very dense, having an average density of…

A:

Q: eS Bovide the pruel wet 1. Nalt 2.isubuty! B) bomide Aerealher

A: In the presence of NaH alcohol gets converted into alkoxide ion which is a good nucleophile.…