If you mix 350 grams of NACN in 640 ml of water, what is the pH? How many grams of its conjugate acid (HCN), would you need to add to change the pH to 7.85? If I now add 68 ml of 1.6 M HCI, what would the new pH be?

Q: non-matter

A: Non–matter –There are mostly those things around us that have mass and occupy space. But there is…

Q: Draw an illustration of an example of a mixture, element, and compound on the level of atoms Draw an…

A: 1. Atomic Level IllustrationsElement: This will show atoms of a single type, such as hydrogen atoms…

Q: Define substance and give two examples of things that are substances.

A: The matters are defined as a substance, mixture, element, or compound. Each category of matter…

Q: Both a mixture and a compound are combinations of substance. So explain how they are different

A: Compounds  - These are the substances that  are made up of more than one type of atoms. Mixture…

Q: If a liquid contains 60% sugar and 40% water throughout its composition, then what is it called?

A: There are two types of mixtures:  Heterogeneous mixtures have visually distinguishable components.…

Q: What cut of meat is typically pan fried at 150-160°C for 5 minutes on each side, and what are two…

A: When a cut of meat is typically pan fried at 150-160o C for 5 minutes on each side, it undergoes…

Q: Consider the following reaction A B. If the reaction is thought to be ZEROTH order, which of the…

A:

Q: garbarge disposal chops waste food into tiny peices that move easily through sewage pipes. A…

A: Choping into tiny pieces is kind of mechanical work.

Q: When liquid batter is put in the oven and heated it becomes a solid cake. What does this indicate…

A: When cake is baked, a chemical reaction occurs and formation of new bond occurs. In general, there…

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: Circle any of the following that are most likely a pure substances? A) T-shirt C) air E) tap water…

A: Pure substance: A pure substance (element or compound) always has a definite composition by mass.…

Q: Is a hydrate a mixture or pure substance? Explain

A: Given :  Type of compound is hydrate. To determine: whether hydrate is a mixture or pure substance.

Q: Sugar is a compound made of the elements carbon, hydrogen, and oxygen. If you add sugar to water,…

A: In this question, we have to distinguish between compound and mixture.

Q: Which is the best example of a pure substance: O A. elements B. compounds C. pure water D. carbon…

A: Introduction: Pure substance is a homologous material which contains particles ( atoms or molecules)…

Q: None

A: Approach to solving the question:Determine the state and chemical bonds, rule out the obvious…

Q: copper (II) chloride + iron → copper + iron (II) chloride List two physical / chemical properties…

A:

Q: Is pure 24-carat gold a substance, element, and/or compound? Explain.

A: 24-carat gold an element. It can be also reffered to as pure substance. It contains only the gold…

Q: Match each of the following as a element, compound, heterogeneous mixture, or homogeneous mixture >…

A: Element: An element is formed by only one type of atom. All the atoms in the element are the…

Q: Explain Types of Energy?

A: SOLUTION: Step 1: Energy is defined as the ability to do work. Energy comes in various forms. Energy…

Q: why are elements and compounds both pure substances?

A: The formation of compounds due to a combination of elements is governed using certain laws. These…

Q: Which of the following would be a homogeneous mixture?  A) graphite B) milk C) brass D)…

A: Which of the following would be a homogeneous mixture? The answer is given below with explanation.

Q: A student measured the temperature of boiling water to be 105.25 C. the correct temperature for…

A: The boiling point of water is the temperature at which the pressure of water vapor in the liquid is…

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: A quantity of substance that can be seen would be considered the A level.

A: The complete sentence is: "A quantity of substance that can be seen would be considered the…

Q: Which of the following is a pure substance that can be broken down into simpler substances by…

A: Solution: It is a homogeneous mixture of two or more components that are uniformly distributed…