If there is no physical change in the different materials that are combined together, __________ is formed

Q: What chemical process (or processes) is (are) the most likely responsible for any observed changes…

A: Changes in the color or texture on the surface of the material indicate that a chemical reaction…

Q: The partial pressure of oxygen is 0. 20 atm at sea level at 25°C. Calculate its partial pressure at…

A: The correct answer is given below

Q: True or False. Acetone and alcohol can be used by the human body as energy sources even though in…

A: Exploring the metabolic processes of the human body raises the subject of the use of acetone and…

Q: >List four metals that occur as elements in their natural state.

A: Native element minerals occur in nature in uncombined form and they have a distinct mineral…

Q: Q8: Calculate (1) partial pressures, (2) mole fractions, (3) Concentrations, (4) densities of the…

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Q: 1. O3 , 2. (CH3)2S

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Q: 4O6 is called ________. N2Cl4 is called________.

A: Non-metal oxides are formed by covalent bond between non-metal and oxygen.

Q: 2. Draw the Lewis dot structure for each of the following molecules or ions. Determine the number of…

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Q: Write True or false , re write the wrong statements

A: 04. (a) True statement When sugar is added, the sugar molecules dissolve into the water. The causes…

Q: Which statement is NOT true regarding natural vs. synthetic materials? A) An example of a natural…

A: Generally substances or materials are devided as natural and synthetic.  Natural materials are those…

Q: The solubility product constant (Ksp) at 25 °C of silver sulfate (Ag2SO4) is 1.20 x 10-5. What is…

A: Let the molarity of the saturated solution of silver sulfate be x M.Considering the ICE table for…

Q: magnesium + oxygen → magnesium oxide List two physical / chemical properties for each compound

A: Physical properties are properties of substance that can be determined without changing substance's…

Q: _____________ bonds are between electrons of atoms that share electrons.

A: Here, we have to find the type of bonds that are formed between electrons of atoms that share…

Q: Question 5 of 12 What is the pH of a solution of 0.300 M HNO₂ containing 0.190 M NaNO₂? (Ka of HNO₂…

A: Concentration of HNO2 = 0.300M Concentration of NaNO2 = 0.190 M Ka for HNO2 = 4.5 × 10-4pH of the…

Q: 10. Calculate the pH of a 0.150M solution of sodium acetate (NaC,H,O;) at 25°C. (K, for acetic acid…

A: Given-> Concentration of sodium acetate = 0.150 M Ka (CH3COOH) = 1.8 × 10-5

Q: one: ethyl peroxide. . dimethyl ether. diethyl ether. methyl ethyl ether.

A: The above formula has ether functional group  So, name is diethyl ether  (C) is correct option.

Q: formula Binary? Covalent or Polyatomic ion? Cation variable charge? What? Yes, Gold(II) Name ionic…

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

Q: In its natural form,_______ is in the form o blue crystals.

A: The question is based on the concept of inorganic chemistry. We have to identify the compound whose…

Q: Define the process nomenclature.

A: INTRODUCTION: Particular term has been defined for choosing name of different compound in the field…

Q: Complete the half-reactions for the cell shown, and show the shorthand notation for the cell. The…

A: During oxidation electrons are lost and during reduction, electrons are gained.Now, oxidation occurs…

Q: Adhesive forces occur between different molecules.

A: Adhesive forces is defined as the attraction between the two different substances like glass and…

Q: Aluminum alloys are the most used metal alloys by weight. Group of answer choices True False

A: Alluminium alloy most importantly is Al-Si . alluminium alloys widely used in engineering structures…

Q: A(n) ___________ is composed of a sugar molecule, aphosphorus-containing group, and a…

A: A(n) ___________ is composed of a sugar molecule, a phosphorus-containing group, and a…

Q: 7. Draw electron dot structures for the following elements: Na, Al, P, Cl, and Ar. Which are most…

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Q: How could you describe the changes that happen when carbon changes form from graphite to diamond? A.…

A: Physical Change - These changes only change the physical properties of a substance, such as colour,…

Q: . You found a weird ceramic material on the street and wonders if it might be ok to use in a medical…

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Q: This means the resulting mixture looks like a ____________liquid no matter how much ethanol or water…

A: Alcohol and water both are polar molecules. And like dissolves like that is polar liquids are…

Q: Part F In volcano vents, sulfur is converted directly from the emitted hot gases to form mounds of…

A: Deposition involves the conversion of gases directly into solids without passing through the liquid…

Q: Glassware/Tool Do’s Donts 1. Stirring Rod     2. Glass Funnel     3. Wire Mesh     4. Mortar and…

A: Glassware refers to laboratory equipment made of glass, typically used in scientific experiments,…

Q: Using the chemical equation below, determine how many pounds of water will be produced by the…

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Q: A particular metal has a face centered cubic structure. If it has a volume of 8.73 x 10-23 cm3 and a…

A: The molar mass of the given metal (M) is calculated using equation (1) in which d is the density of…

Q: Label each structure below as chiral or achiral and give your reason W B C D

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Q: Malleability Brittle (Malleable means- (it shatters or cracks when Element Symbo Physical…

A: Each element present our periodic table has characteristic physical and chemical properties.…

Q: Can the law of conservation of mass be applied when cooking? In one to two sentences, explain why or…

A: While cooking there occurs some physical change let's say vegetable got soften , in protine some…

Q: Question 1 Name the following compound -C-C-C-C- CH3 OH

A: Here, the unassigned atoms at the end of the bonds indicate hydrogen atoms.

Q: How can washing plastic in warm water before recycling actually put more carbon in the atmosphere? C…

A: Plastics are polymers, which do not vaporize or evaporate on heating instead they melt and are…

Q: Which of the following is not easy to clean up? A. Oil B. Tempera C. Water Color D. Acrylic Which…

A: Tempera is an emulsion miscible with water, typically egg yolk. used fine painting, mainly on wood…

Q: ____________ makes up the majority of oil use, with gasoline and diesel fuel being the most common…

A: Petroleum is a naturally occurring substance which is composed mainly of aliphatic hydrocarbons.…

Q: Can two samples that have different sets of chemical elements be the same mineral? Why or why not?…

A: A substance is referred to as a mineral if it is an inorganic, homogenous, crystalline solid that…

Q: The membrane shown is permeable only to solute molecules. In which direction will solu flow? 0.4 M…

A: Electrochemistry is branch of chemistry in which we deal with oxidation and reduction reaction. In…

Q: a_____ is a group of atoms bonded in a specific pattern and is the reactive portion of an organic…

A: Functional Group: A functional group is part of organic molecule is responsible for all chemical…

Q: Which one of the following statements is not true about ways materials can be smart? React when…

A: Hii there, since there are multiple questions posted. We are answering first question. If you need…

Q: Consider the following apparatus. Calculate the partial pressure of oxygen (O₂) and nitrous oxide…

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Q: Explain why are some metals found in their elemental states in nature? Give some examples? Why are…

A: The substance that shows the luster on freshly cutting, polishing, and has the thermal, electrical…

Q: Which is NOT true about diamonds? a. Diamonds are stable even under extremely hot temperatures. O b.…

A: The explanation is given below-