What is a compound? Give three exampes?

Q: What are ohmic substances?

A: Ohm's law gives the relation between voltage, current, and resistance of the circuit. It states that…

Q: What is the ancient name of silver to which its symbol was delivered

A: The ancient name of silver is which its symbol was delivered is "argentum" meaning "silver". Silver…

Q: Classify each of the following materials as an element, compound, heterogeneous mixture, or…

A: A mixture which has uniform composition is a homogeneous mixture, while which has non uniform…

Q: In a fruit drink, orange juice and pineapple juice are mixed in the ratio 3 : 7. Find how much…

A: Ratio of orange: pineapple= 3:7

Q: Calculate (to the nearest 0.1 u) the formula mass of these compounds. a. Magnesium Fluoride MgF2 b.…

A:

Q: 4) a. Which has the greater density 1 kg of water or 10 kg of water? Explain your answer.

A:

Q: Contrast media consist of elements with O Metalloids O Lower atomic number O Higher atomic number O…

A: contrast media consist of elements with

Q: What is the chemical formula for sulfur dioxide

A: To Determine Chemical Formula of Sulfur Dioxide

Q: Which of the following is NOT true of a compound? O It is made of elements that keep their…

A: Compound:  It is a material that form by chemical bonding between two or more than two chemical…

Q: Which substance is used to remove rust from metal? O lye (NaOH) O hydrochloric acid (HCI) O ammonia…

A: Answer: The correct option is option B) Hydrochloric Acid (HCl) The rusting of iron is a slow…

Q: A cement mixture calls for 54 pounds of cement for 3 gallons of water. What is the ratio of cement…

A: Given:- A cement mixture calls for 54 pounds of cement for 3 gallons of water Find:- What is the…

Q: What is the only physical difference between heavy water and pure water?

A: Water is the main element of Earth's hydrosphere and essential for the livelihood of a living…

Q: . Al2 (SO3)3

A: This is the question from chemistry. As compound name is Aluminium Sulphite,it has Aluminium and…

Q: Classify each of the following materials as an element, compound, heterogeneous mixture, or…

A: Zinc is an element Zinc Sulfide is a compound (inorganic)

Q: A compound that releases hydroxide ions in solution would most likely have which chemical property?…

A: A compound that releases hydroxide ons in solution would most likely have which chemical property is…

Q: Balance these chemical equations. (Use the lowest possible whole number coefficie (a) AgCl, + H, →…

A: SOlution: To balance the chemical equation.

Q: 2. Calculate the freezing point depression of a solution containing 0.125 mol of a non- electrolyte…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Which of the following substances is NOT homogeneous? O 1. iron O 2. water 3. sand O 4. sugar

A: Homogeneous mixture is uniform composition

Q: how many atoms of each element is in the molecule 4SrO^-2

A: In stoichiometry of chemical compounds, any number written on the left-hand side with a symbol of an…

Q: an irregularly shaped piece of metal of density 7.80 g/cm^3 weighs 429g when completely immersed…

A: Given : dA=7.80 g/cm3              m=429g            (apparent weight)              dn=1.2 g/cm3 As…

Q: Gold occurs in seawater at an average concentration of 1.1102 ppb. How many liters of seawater…

A: Given- Average concentration of the gold in seawater =1.1×10-2 ppb Density of seawater =1.025 g/mL 1…

Q: Write the equation and chemical formula for each of the following ionic compounds: 1. Lead (II)…

A:

Q: Which of these is a synthetic element? terbium (65) mercury (80)     fluorine(9) hassium (108)

A: Synthetic element

Q: In a solution there are 11 kg/L (kilograms of solute that are dissolved in 1liter solvent). A drug…

A: Given data The quantity of solute is Qs = 11 kg/L   The unit of solute is converted in terms of g/oz…

Q: How MANY TOTAL ATOMS ATZE PRESENTN THE COMPOUND BELOW? 2Ca(OH)2 4

A:

Q: WHaT Is the total atoms in CH3(CH2)8COOH

A: The total numbers of atoms in the given compound can be calculated as,

Q: Which of the following is CORRECT? O 1. calcium : nonmetal O 2. radon : metal 3. silicon : metal O…

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Q: Why is it that only sulphide ores are concentrated by ‘froth floatation process’?

A: Froth flotation is one of the most popular operational processes for mineral beneficiation. In…

Q: How would you classify Table Sugar and table salt? An atom, elements, mixtures or a pure substance…

A: A pure substance is a form of matter having uniform chemical composition and characteristic…

Q: An element is a pure substance which cannot be broken down by chemical means, consisting of one kind…

A: Required :  What is an element.

Q: When solid copper and zinc are mixed to form the metal alloy brass, what kind of mixture results?

A: Alloy is formed by mixing two or more materials together. It can be homogeneous or heterogeneous.

Q: What is the weight of a cubic meter of Gold? How does this differ from a cubic meter of copper? Look…

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Q: The equations below describe the conversions between the three scales: K= C + 273 15 F = 95 C + 32…

A: Given: Boiling point of Octane TbO=126 oC Boiling point of ethanol TbE=173 oF

Q: Which substance's solubility decreases with an increase in temperature? 100 90 80 NANO, 70 60 CaCl,…

A: Given : Solubility vs temperature graph of different salts. Asked which substance's solubility…

Q: Find the molarity of a KOH solution if 12ml of 0.3M HCI solution is neutralized by 21ml of KOH…

A: Molarity of HCL is 0.3 M Volume of HCL is V1 = 12 ml = 12 x 10-3 L Volume of KOH is V2 = 21 ml = 21…

Q: What is a compound? Cite three examples.

A: A chemical compound is any substance composed of molecules consisting of atoms of two or more…

Q: What is a mixture? Give three examples?

A: The mixtures are formed by mixing the two or more substances with each other without combining…

Q: Is this sentence correct: “Even a tiny speck of table salt contains billions of salt atoms”? If not,…

A: There is nothing called salt atoms. Since, the chemical formula of table salt is Nacl. Table salt is…

Q: correct solution and don't copy paste in chegg and previous solution, that solution are incorrect So…

A: Answer

Q: When blue litmus paper turns red, the substance being tested is acidic basic

A: Here talking about the compounds PS test. Here given a blue litmas paper turns red. We have to find…

Q: A solution that attracts a net flow of water is a (?????) one.

A: Given: A solution that attracts a net flow of water is ?