What are the Property’s of water?

Q: A sample of an unknown hydrated compound weighed 16.450 grams. After heating, it had a mass of…

A: We have to calculate the percentage of water by mass in the unknown hydrated compound that weighed…

Q: Is paper clip steel more dense or less than water

A: Is paper clip steel more dense or less than water.

Q: Oil and water do not mix with each other. But when we add oil into water, oil floats over the water.…

A: Oil do not mix with water as oil is non polar and water is polar molecule and polar dissolve in…

Q: What is a solid dispersed in either a solid or liquid?

A: Solid dispersed in either a solid or liquid is called:

Q: (b) Draw a more accurate representation of one unit of C,H,O, dissolved in water.

A:

Q: Which is NOT directly attributable of property of water? A. The top of a lake freezing B. The…

A: Some important Characteristics of water  (1). polarity, (2). cohesion, (3). adhesion, (4).…

Q: What kind of system is the coffee held in a cup?

A: In thermodynamics, three types of systems have been described namely open system, closed system and…

Q: Hot-air balloons float because the air caught inside the balloon is heated up by a burner, making it…

A: The density of a compound is determined by the ratio between mass of the compound to its volume. It…

Q: Using the Identification of Substances by Physical Properties table in the question above, when…

A: The answer is explained below.

Q: or more substances that place but are >A mixture is made up of are in the not chemically combined. >…

A: Mixture : A mixture is a substance in which two or more substances mix with each other without any…

Q: he energy change?

A:

Q: What are the properties of a gas?

A: ANSWER

Q: When blue food coloring is dissolved in water, the result is a ________? a. homogeneous mixture…

A: When particles moves from higher concentration to lower concentration than diffusion occurs. The…

Q: are

A: This question is related to salinity.

Q: Leaves fallina from trees in Qutcimn kand in a stream, Weld they CCcumulale and dog the Clog the…

A: The dry leaf floats on water because it contains less starch when compared to fresh leaf .Thus the…

Q: State the difference between physical and chemical changes

A:

Q: an endothermic phase

A:

Q: What is a homogeneous mixture?

A: To find: The definition of homogeneous mixture

Q: List at least three physical properties of water.

A: State three physical properties of water.

Q: Iculate the amount of heat needed to melt 123. g of solid acetic acid (HCH,CO,) and bring it to a…

A: Calculation as shown below

Q: ______________________ are defined as homogeneous mixtures of two or more pure substances

A: A SOLUTION  is a homogeneous mixture of two or more pure substances.

Q: 5. A sample of saline contains 45 ml of saline in 128 ml of water. What is the percent by volume of…

A: Solution :       Concentration in percentage by volume is expressed as the fraction of volume of…

Q: Explain what happens to the density of the water when it changes from liquid to solid. What is the…

A: The density of water decreases when it changes from liquid to solid.

Q: Define the phases of matter and phase change?

A: The state of matter that is uniform throughout in physical state and chemical composition is known…

Q: ASSERTION: The solubility of all gases in water decreases with the rise in temperature. REASON: The…

A: Answer_First: The dissolution of gas molecules in water take place by the thermal evolution. This,…

Q: In a solar box cooker sunlight falls on the and the food gets cooked by absorbing heat energy.

A: Mirror is used in a solar cooker to increase the radiation input on the absorbing space and is fixed…

Q: A humidifier located at a nursing station holds 4.00 galloons of water . How many fluids ounces of…

A:

Q: Melting point of fat is and melting point of oil is

A: Fats and oils are mixtures of triglycerides. Chemically, triglycerides of unsaturated fatty acids…

Q: Which of the following is not a form of energy?

A: Capactity to do work is called energy various types of energies are   1. Thermal energy   2.…

Q: 1. Two pans of water are on different burners of a stove. One pan of water is boiling vigorously,…

A: The amount of energy required to convert some amount of liquid water to gas or steam at constant…

Q: classify whether it is greater than, less than, or equal to.

A:

Q: the kinetic energy of particles

A: The kinetic energy of the Gas is greater than the kinetics of liquid, greater is the kinetic energy…

Q: How much heat, in Joules, is absorbed by 54 g of water in order to increase in temperature from 18°C…

A: Given that:  Mass of water = 54 g Increase in temperature , t =  (55-18 )oC = 37 oC

Q: give a particulate-level explanation of why ice (solid water) is less dense than liquid water?

A: Density of ice     = 0.9168 g/cm3 Density of water = 1.00g/cm3 Density gives the measure of how…

Q: Which state has more Kinetic energy?a) Liquid Water b) Solid water c) Water vapor

A: The kinetic energy is energy possessed by an object due to its virtue of motion.

Q: how many joules of heat are absorbed?

A:

Q: Classify property as physical or chemical. the boiling point of ethyl alcohol

A: Ethyl alcohol has molecular formula CH3CH2OH. Its physical appearance is liquid state. It has highly…

Q: A mixture of spaghetti and water is separated using a strainer, a physical method of separation.…

A: Filtration : It is the process of separating solid matter from the fluid one using a structure…

Q: A change in an adjective in a specific direction is an increase or decrease across a single cycle or…

A: The above given statement is related to the periodic table which is an easiest way for the…

Q: w grams of water wc

A:

Q: list five physical properties

A: Physical properties are: 1. Boiling point 2. Melting point 3. Colour 4. Odour 5. Density 6.…

Q: wo pans of water are on different burners of a stove. One pan of water is poiling vigorously, while…

A: ANSWERE IS DISCUSSED BELOW :

Q: emalt temperature of 0°C equal to in Kelvin?

A: Temperature definition :    With the reference of standard value, measuring the warmth and coldness…

Q: Explain why sodium chloride is so safe (table salt) when sodium and chlorine as elements are not…

A: Atomic number of Na- 11 Electronic configuration - 1s2 2s2 2p6 3s1   Atomic number of Cl-17…

Q: Mixture of water and POTASSIUM CARBONATE is an example of Homogeneous mixture

A: Given, Mixture of water and potassium carbonate.

Q: of potential energy or kinetic energy.

A: Potential energy is defined as the energy possessed by the body by virtue of its position (energy…

Q: If 2400 J of heat melts a piece of solid mercury, what is the mass of the mercury

A: The heat required to melt a substance is calculated as: Q =m.Lf where Q is the heat required to melt…

Q: What is a unit of volume of solids

A: Volume of any substance is defined a the space that particular substance takes up,at any particular…

Q: Give an example of a homogeneous mixture and anexample of a heterogeneous mixture.

A: Mixture : In terms of chemistry, whenever two or more than two atoms/molecules/compounds/substances…