Describe the PHYSICAL PROPERTIES of the following substances Specifically, what type of matter is this? (e.g. halogen) (a) Potassium dichromate | (b) Glucose (CH½O«) (c) Magnesium
Q: What is the difference between a homogeneous and a het-erogeneous mixture?
A: Mixture is the physical combination of two or more than two different substances.
Q: List the names of the various changes of state for a pure substance?
A: Pure substances in chemistry are those that consist of only one kind of particles. It can be further…
Q: Classify matter according to itscomposition.
A: The material that has mass and occupies space is termed matter. Matter consists of atoms means to…
Q: What is the definition of a physical property? What is thedefinition of a chemical property?
A: answer is discussed below :
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A: The volume of a spherical ball will be directly proportional to the cube of the radius of the…
Q: 4. How sizing down to Nano affect material properties?
A: Since substances at the nanoscale level have a greater surface-to-volume ratio, which causes them…
Q: Explain the meaning of a double arrow in chemicalequations.
A: Double arrow in chemical equations show bidirectional nature of chemical equilibrium. Bidirectional…
Q: 4. What is a characteristic property of a pure substance? Is the boiling point of a substance a…
A: Pure substances are substances that are made up of only one kind of particles and has a fixed or…
Q: 2. What is matter composed of?
A: To find: What is matter composed of
Q: Gas is defined as O a. the form of matter that is easily compressible and will fit into a container…
A: There are three states of matter, solid, liquid, and gas. In the solid states, the intramolecular…
Q: Carry out each of the following calculations, paying special attention to significant figures,…
A: Significant figures are the number of digits in a value, often a measurement, that contribute to the…
Q: what state of matter is CH3CO2-? It's an ion, do ions have a physical state?
A: The compound considered is acetate ion, CH3COO-
Q: Write any 4 properties of gases and liquids.
A: Properties of gases 1. Gases are easy to compress. 2.Gases occupy far more space than solid and…
Q: 8. If matter is uniform throughout and cannot be separated into other substances by physical…
A: Matter is divided into two categories. 1. Homogenous - The matter is uniform throughout 2.…
Q: Use the References to access important values if needed for A sample of volume 244 cm has a mass of…
A: Mass = 1.04 Kg = 1040 g Volume = 244 cm3 Density = ?
Q: Write a informative essay about separation of mixtures in Chemistry.
A: Answer - A separation process is a method that converts a mixture or solution of chemical substances…
Q: natter as intensive physical property, extensive physical 1. Coal is used to produce electricity by…
A: Given properties are : 1. Coal is used to produce electricity by burning them to power the…
Q: A www-awu.aleks.com/a O STATES OF MATTER Solving for a gaseous reactant 0/5 The great French chemist…
A:
Q: Which of the following is a physical process of water purification which separates suspended solid…
A: Sedimentation is a physical water treatment process using gravity to remove suspended solids from…
Q: The temperature of a liquid is 15oC. What is this in K?
A: Celcius is one of the units of temperature. The SI unit of temperture if Kelvin.
Q: A combination of at least two materials, one of which is a metal whose properties are different from…
A: Alloy is the combination of two metals or a metal and non metals to form a new product with…
Q: What are the examples of nanostructures?
A: A nanostructure is an object that has at least one dimension equal to or smaller than 100…
Q: Using examples, explain the difference between a physicalproperty and a chemical property.
A: The characteristics shown by a substance both physically and chemically is called a property.
Q: TWO agueous solutjons of BaloH and MgBra are mixed. write Out whet major chemical speces will e…
A: This is an example of double displacement reaction.
Q: How much heat, in Joules, is absorbed by 60 g of water in order to increase in temperature from 23°C…
A: Interpretation: The amount of heat, in joules absorbed by 60 g of water in order to increase in…
Q: How many grams of N a Cl would need to be added to 493.00 grams of water to lower the freezing point…
A: Depression in freezing point is defined as the decrease in freezing point temperature of any…
Q: Which of the following is a mixture? Brass, carbon monoxide, sulfur dioxide or salt
A: A mixture is formed due to the physical combination of substances bounded together in a…
Q: what are the different levels of strucure of a material
A:
Q: Can liquid nitrogen gas and liquid oxygen gas be mixed with each other?
A: In this question, we will discuss about both liquid gases are mixed to each other or not. I will…
Q: Gypsum is the hydrate of calcium sulfate, CaSO4 · 2 H2O. It is the primary material in sheet rock,…
A: Molar mass of CaSO4.2H2O = Atomic mass of Ca + Atomic mass of S + 4 × Atomic mass of Oxygen + 2 [ 2…
Q: Which of the following is best characterized as a heterogeneous mixture? Group of answer choices…
A: Heterogeneous mixture.
Q: Express the answers to the following calculations inscientific notation:(a) 145.75 + (2.3 × 10−1)(b)…
A: Scientific Notation: It is a way of expressing number in the form of powers of 10 to specify the…
Q: Gypsum is the hydrate of calcium sulfate, CaSO4 · 2 H20. It is the primary material in sheet rock,…
A: Hydrated crystal contains certain number of water molecules. When hydrated crystal is heated these…
Q: 1. HNO,„H,SO, 2. СH, CІ, AICI,
A: The first step reaction is the nitration of benzene : Nitration happens when one (or more) of the…
Q: Pure oxygen diffuses through an aperture in 224 seconds, whereas a mixture containing 80% oxygen gas…
A:
Q: Which of the following statements is FALSE? O The mass percentage of calcium in calcium phosphate is…
A: Answer - The False statement is (e) and (a) The mass percentage of calcium in calcium phosphate is…
Q: Electrical energy is measured in kilowatt hours, kWH. A watt is 1 joule per second, a kilowatt is…
A: Killowatt hour is an unit of energy . Energy has another unit, calorie. Different units can be…
Q: 2) For a separate job, you are asked to assemble a number of tricycles by attaching wheels to the…
A: No. Of complete frames=70 No.of rear wheels=123 No. Of front wheels=74 For 1 complete tricycle, no.…
Q: Liquid octane (C8H18), a component of gasoline, reacts with gaseous oxygen to form gaseous carbon…
A: In the balanced chemical equation, number of atoms and charge on either side of the equation must be…
Q: Directions: Match the following terms in column A to the description that matches them in column B.…
A:
Q: Which intensive physical property is observed when the droppings of a person seated inside a closed…
A: Intensive property is the one does not depend on the amount of substance.
Q: Gypsum is the hydrate of calcium sulfate, CaSO4 · 2 H2O. It is the primary material in sheet rock,…
A: Weight of Gypsum( CaSO 4 · 2 H 2O) = 21.05 g
Q: monphere oreducts ons chemical weathering rock Which of these is a property of water that allows it…
A: Water transport many materials through rivers , seas , canals etc.
Q: To identify a liquid substance, a student determined itsdensity. Using a graduated cylinder, she…
A: Given data contains, Mass of the sample is 38.5g. Volume of sample is 45 mL. Density of propyl…
Q: What is meant by the term state function with respect to chemistry
A: The state function in the context of thermodynamics does not depend on the path taken.
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- (A) CsBr (B) MgCl2Write chemical equations for each of the following chemical and physical processes: (a) Neutralization of an aqueous solution of barium hydroxide by the hydronium ion (b) Reaction of 1 mole of aluminum with I2(s) to form aluminum iodide (c) Conversion of 1 mole of O2(g) to O3(g)Most abundant metal on the surface of the earth:(a) Iron(b) Aluminium(c) Calcium(d) Sodium
- Write chemical equations for each of the following chemical and physical processes: (a) Reaction of ammonia gas with hydrogen chloride gas to produce a solid product (b) Reaction of 1 mole of aluminum with I2(s) to form aluminum iodide (c) Conversion of 1 mole of O2(g) to O3(g) (d) Dissolving K2Cr2O7(s) in water (e)Thermal decomposition of solid sodium azide to produce solid sodium and nitrogen gas (f) Photodissociation of chlorine gas (g) Fusion of ice36. Balance these ionic redox equations using the ion- electron method. These reactions occur in basic solution.Iodine monochloride and elemental bromine have nearly the same molar mass and liquid density but very different boiling points. (a) What molecular property is primarily responsible forthis difference in boiling point? What atomic property gives rise to it? Explain. (b) Which substance has a higher boiling point?Why?
- Complete and balance the following equations: (a) NaOCH3(8) + H2O(I) (b) CuO(s) + HNO;(aq) (c) WO;(s) + H2(8) (d) NH,OH(I) + O,(8) (e) Al,C3(s) + H,0(1)Write a balanced chemical equation for the reaction that occurswhen (a) titanium metal reacts with O2(g); (b) silver(I)oxide decomposes into silver metal and oxygen gas whenheated; (c) propanol, C3H7OH(l) burns in air; (d) methyltert-butyl ether, C5H12O(l), burns in air.(a) When aqueous solutions of Cr(NO3)3 and Nil2 are mixed, does a precipitate form? (b) Write a balanced equation for the precipitation reaction that occurs when aqueous solutions of cobalt(II) nitrate and potassium carbonate are combined. Be sure to include states such as (s) or (aq).
- Iodine monochloride and elemental bromine have nearly the same molar mass and liquid density but very different boiling points.(a) What molecular property is primarily responsible for this difference in boiling point? What atomic property gives rise to it? Explain.(b) Which substance has a higher boiling point? Why?1) Using principles of chemical bonding and/or intermolecular forces, explain each of the following. (a) Xenon has a higher boiling point than neon has. (b) Solid copper is an excellent conductor of electricity, but solid copper chloride is not. (c) SiO2 melts at a very high temperature, while CO2 is a gas at room temperature, even though Si and C are in the same chemical family. (d) Molecules of NF3 are polar, but those of BF3 are not. 2) Using principles of chemical bonding and/or intermolecular forces, explain each of the following: (a) MgCl2 and SiCl4 (b) MgCl2 and MgF2 (c) F2 and Br2 (d) F2 and N2 Note: Please Briefly ExplainWhich statement about the properties of barium chloric and mercury(II) chloride is correct? (A) BaCl₂ has a higher melting point than HgCl₂. (B) BaCl₂ has a higher solubility in nonpolar solvents than HgCl₂. (C) BaCl₂ has a higher vapor pressure than HgCl₂. (D) Molten BaCl₂ has a lower electrical conductivity than molten HgCl2.