(а) (b) (с) (d)

Q: Copper melts at 1083 °C, has a density of 8.92 g/mL, is a good conductor of electricity, and turns…

A: Chemical property is the ability of a substance to undergo a specific chemical change. These…

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

A: Grapefruit is hybrid fruit which is originated from natural cross hybridization between sweet orange…

Q: Which of the statements describes a chemical property? Helium is the lightest monatomic element.…

A:

Q: 2.- Identify each of the following as a homogeneous or heterogeneous mixture. Explain your choice a

A:

Q: Give three examples illustrating each of the following terms. Homogeneous mixture- sugar solution,…

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

Q: Determine whether each change is physical or chemical. What kind of property (chemical or physical)…

A: (a)The evaporation of rubbing alcohol indicates that it changes from liquid to gas. But, it still…

Q: Distinguish among Elements, Compounds, and Mixtures?

A: Element = Elements are the pure substance that consist of only one kind of atom. Example = Iron,…

Q: Which of the following is a physical change? Freezing soup Cooking shrimp Electrolysis f water to…

A: Physical change is a process which involves transformation of substance from one form to another…

Q: Give the chemical symbols for the following elements: (a) potassium, (b) tin, (c) chromium, (d)…

A: a K  b Sn  c Cr  d B  e Ba  f Pu

Q: Suppose that instead of using the cylindrical rod of Example 1-2 to prepare a 1.000 kgmass we were…

A: The volume of a spherical ball will be directly proportional to the cube of the radius of the…

Q: The following is an example of a physical change: O formation of rust O production of energy by…

A: Physical change: In a physical change only the state of matter changes. In this change different…

Q: Which of the following is not a physical change? Frying an egg Boiling water Liquefying oxygen…

A: Physical change is the process where the apperance of the matter or the state of matter changes. But…

Q: An average fly has a mass of 0,048 grams, An average ant has a mass of 3,12 × 10-à grams. • Would…

A: Solution - According to the question - Given - First, we should solve 10^-3 = 0.001 "for the ants"…

Q: 4. Which of the following are homogeneous mixtures? Which are heterogeneous mixtures? a. rubbing…

A: A mixture is a combination of two or more substances. It was classified into two types i.e.…

Q: How does an element differ from a compound? How are they similar?

A:

Q: The following picture represents.. Mixtures of elements Mixtures of compounds Molecules of elements…

A: What are the chemical species present in the following

Q: We consider the chemical compounds constituted of the following molecules: Cl,. H,O, Ha. H,SO, HNO,,…

A: Monoatomic : The Monoatomic atom is a atom which is only one atom . Diatomic :       The species in…

Q: Which of the following represents a chemical change? O mixing salt and sand O paper burning O…

A: Chemical change : a chemical change always results into one or more new substances i.e substances…

Q: 1. Classify the following as an element, compound, homogeneous mixture or heterogeneo mixture. Beer…

A: Since you have posted multiple questions we will solve the first one for you. To get the remaining…

Q: 2) Identify each of the following as an element, compound, or mixture. a) iron b) distilled water c)…

A: An element is the simplest form of any substance that cannot further be broken down. It generally…

Q: Which is of the following is an example of a physical property? A) lead forming lead oxide in the…

A:

Q: Classify each change as physical or chemical. (a) the explosion of gunpowder in the barrel of a…

A: ANSWER

Q: ELEMENTAL CHEMISTRY Tell me what? 2of2 Ag (()

A: Metals are the electropositive element which can easily donate electrons. Metals are  lustreous,…

Q: 1.16 Give the chemical symbol or name for each of the followingelements, as appropriate: (a) carbon,…

A: Chemical symbol is the short notation given for an element.

Q: Which of the following is a pure substance? baking soda salt water cooking oil duct tape orange…

A: Pure substances are compounds with individual chemical and physical properties with same…

Q: A 2.0-liter volume of hydrogen gas combined with 1.0 liter of oxygen gas to produce 2.0 liters of…

A: Step : 1             Does oxygen undergo a chemical or physical change?

Q: 3. The following shows a chemical reaction between carbon dioxide and water to form carbonic acid:…

A: The smallest particle of a compound refers to an ion, an atom or a molecule. Three elements :…

Q: What is the mass, in grams, of a pure gold cube that has a volume of 5.00 cm3?

A: Answer: mass of pure gold cube is 96.5 g. Given:      Volume of pure gold cube=5.00 cm3      Density…

Q: Give the chemical symbol or name for each of the followingelements, as appropriate: (a) carbon, (b)…

A: Chemical symbol is the short notation given for an element.

Q: is cutting a cake a physical or chemical reaction?

A: Physical change: a change after which nothing new is created and not old one is destroyed.

Q: 1.17 A solid white substance A is heated strongly in the absence ofair. It decomposes to form a new…

A:

Q: Would you expect C3H7OH to be a solid, liquid or gas? Explain your logic. (the numbers above should…

A: Lower carbon alcohols that are alcohol with 1 to 3 carbon atoms are free-flowing liquids.  Alcohols…

Q: Which of the following processes is a physical change? (a) evaporation of water; (b) combination…

A: In physical change, there is no change in the chemical composition.

Q: Is the decomposition of copper(II) sulfate hydrate a physical change or a chemical change? Explain.

A: Given: Decomposition of copper (II) sulfate hydrate i.e. CuSO4·5H2O.

Q: - Which of the following are chemical changes? Which are physical changes? - a. the cutting of food…

A: Physical change: In a physical change the physical state of matter changes. In this change different…

Q: What are the chemical symbols of the following elements: lithium, sodium, carbon, oxygen, fluorine,…

A: Every element is represented by one letter or two letters from the Latin alphabet. If symbol is of…

Q: Aluminum is a lightweight metal (density = 2.70 g/cm3)used in aircraft construction, high-voltage…

A: Conversion : 1 kg/m3 = 10-3 g/cm3  density = 2.70 g/cm3              = 2.70 x 103 kg/m3

Q: 2-86 When each of the following measurements are length is convert to inches, using a conversion…

A: The conversion factor used in the unit conversion has infinite number of significant digits. In the…

Q: Which of the following is a physical property? O chlorine gas will not burn O chlorine can be used…

A:

Q: In which of the following is a chemical change occurring? ice forming on a lake adding vinegar to…

A:

Q: Differentiate between Element and Compound?

A: Element: A pure chemical substance contains same type of atom is called element.  During a chemical…

Q: description of an element at the particulate level

A: An element is a substance that has only one type of atoms. These atoms are not chemically connected…

Q: 2)historically,some of unit differences reflected the belief that the quantity measured was…

A: Introduction- To define historically how the erg and calorie unit exist as a single entity. These…

Q: hich of the following an example of physical property of silver (Ag)? 1.) silverware slowly…

A: physical properties of silver are:- white, lustrous, soft, very ductile, malleable,  excellent…

Q: Which of the following is an element? Fe,(SO,), Li O2

A: The substances that have a tendency to occupy space are considered as matters. The matters can be…

Q: Which answer lists all the substances below that are compounds and not any elements or mixtures? I.…

A: A compound is a substance that has a definite proportion of each entity present in the substance. 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.