Explanation: crushing a can : after crushing can changes its shape, size but it still remain Aluminum so it is a physical change.

Q: The karat is a dimensionless unit that is used to indicate the proportion of gold in a…

A: Given data- One karat gold contains a weight of pure gold that is one part in twenty four(24).  So…

Q: What to do: Fill one bottle to the brim with oil, do the same with the other bottle but with vinegar…

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

Q: Ethylene glycol (p = 1123 kg/m³) is mixed with water to create antifreeze. Determine the volume…

A: It is a ratio between the density of a mixture or substance to that of water, which is 1000 kg /m^3.…

Q: Explain about Work and Kinetic Energy in Composite Systems.

A:

Q: 1. Explain briefly ohmic and non-ohmic statements. Give two examples for each material type.

A: Here gives ohmic and non ohmic statements.We have to give a brief description about these.Also to…

Q: What is the density of 18.0-karat gold that is a mixture of 18 parts gold, 5 parts silver, and 1…

A: Given:  18 parts gold 5 parts silver  1 part copper

Q: Answer the following items scientifically. Using the concept of kinetic molecular theory, explain…

A: According to kinetic molecular theory, the solid phase molecules have the least amount of energy,…

Q: Drag and drop the words or phrases that accurately complete the paragraph. Photosynthesis is a…

A: Photosynthesis, the process by which green plants and certain other organisms transform light energy…

Q: A is a process that occurs when one or more substances are changed into one or more new substances.…

A: When one chemical material is changed into one or more other chemical substances, such as when iron…

Q: One component of a metal sculpture consists of a solid cube with an edge of length 0.203 m. The…

A: Given data :             Side length of cube, L = 0.203 m             Density of the material , ρ =…

Q: What are the imperfections of the atomic arrangements that have a significant effect on the material…

A: A crystal is a perfect geometric arrangement of motifs or basis (an atom or a group of atoms) on a…

Q: Near a power plant, warm water is discharged into a river. Sometimes dead fish are observed in the…

A: Like every other organism, fishes also survive by taking in oxygen and exhaling carbon dioxide.…

Q: Why did the egg rise when the salt was added tot he system ?

A: The density of a material decides whether it will sink or float.   material which is denser or…

Q: TRUE OR FALSE SURFACE TENSION: I. A decrease is due to the weakening of the hydrogen bonds of…

A: Surface Tension

Q: Describe what a property of a substance is and give some examples of some properties of a substance.…

A: The substance is a particular kind of matter with uniform properties. Any pure material is a…

Q: 9. Determine the components of reaction at A and B. 600 N 800 N-m B 1.5 m 1.5 m 2 m 2 m- 45 D

A:

Q: 1. When you have a pot of water on the stove, heat is transferred to the water. Describe the…

A: A pot of water is kept on the stove. To explain : The behaviour of water molecules and how the…

Q: 47. | The distance between the molecules The repulsive force between two molecules B D Figure 10

A:

Q: A can contains 333 mL of soda. How much is left after 86 mL are removed?

A: Total volume of the can,  Volume of soda removed from the can,    The volume of soda left in the can…

Q: You are in charge of receiving a shipment of new packing (aka tower fill) for a benzene stripping…

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

Q: Question 2 Water is an essential molecule to life on Earth. Which of the following is not a property…

A: Option A: Surface tension: The surface tension of the water is the property of the water by which it…

Q: Collision frequency is not the only factor affecting rate. In the vast majority of collisions, the…

A: Collision frequency is not the only factor affecting the rate. In the vast majority of collisions,…

Q: Q. No. 3: Explain in detail principle, construction and working of GM Tube.

A: Answer A Geiger Muller counter is a device used for the detection and measurement of ionizing…

Q: The British gold sovereign coin is an alloy of gold and copper having a total mass of 7.988 g, and…

A:

Q: Red gold is a gold-copper alloy used to make jewelry. A piece of jewelry made of red gold weighs…

A:

Q: 5. Physics in Action Identify the area of physics involved in each of the following tests of a…

A: Uses of physics is vast and never ending in our lives and all phenomenons which occur in nature and…

Q: Air is 21% oxygen by volume.Oxygen has a density of 1.31 g/L.What is the total volume of air in a…

A: Given data:  Volume of oxygen = 21% of volume of air Density of oxygen (ρ) = 1.31 g/L Mass (m) = 75…

Q: Balanced inward force on a material or structure*

A: Balanced inward force on a material or structure.

Q: 19. You have two small sculptures made of copper and gold. The first sculpture has 5% gold while the…

A: Let, the mass of first sculpture = m1the mass of second sculpture = m2

Q: oncrete will yield (crack and fail) at pressures around 70 Mega Pascals. That’s 70 million Pascals.…

A: To determine, the minimum number of tyres needed to ensure that the concrete does not…

Q: Six examples of physical properties of matter are:

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: Discussions: 1- If you just put a wooden block in water, it will float. Why do you think it floats…

A:

Q: A cube 5.73 cm on each side is made of a metal alloy. After you drill a cylindrical hole 3.11 cm in…

A: Calculate the volume of the cube before creating the hole. Vi=a3=5.73 cm3=188.132 cm3 Here, Vi is…

Q: When you grind wheat to make flour, the flour comes out very warm—you can actually scorch the flour…

A: To grind wheat to flour force has to be applied which does work on it .The work done by this force…

Q: 4. Which ONE of the following statements is not correct? (a) In a physical change no new substance…

A: Since Physical change involves only change of shape , size , colour and State(Temprature &…

Q: Suppose we have two pieces of same type of wood that are obviously different lengths. We then place…

A: we have two pieces of same type of wood that are obviously different lengths. We then place both in…

Q: 1-3. According to the collision theory, there are three (3) requirements for a reaction occur these…

A: 1-3 ) There are three important parts to collision theory, that reacting substances must collide,…

Q: Suppose your hair grows at the rate 1/32 in. per day. Find the rate at which it grows in nanometers…

A: Answer  Given data  Hair growth rate 1/32 in per day 1 in = 2.54 cm  1 d = 86400 s 109 nm = 1 m

Q: What is the % M/M if 8.0 g copper is added to enough zinc to produce 100 g of an alloy?

A: Percentage fraction of mass %M/M=MCuM×100%

Q: What is the density of water, in kg/m3, at 308.3 K?

A:

Q: inol and S2) are completely miscible liquids forming a homogenous mixture. On mixing the two…

A: (i) A homogenous mixture is one that has uniform composition and properties throughout. A homogenous…

Q: Give a reason why soda drinks should be in plastic bottles rather than in aluminum cans?

A: A typical soda drink may contain acids like citric acid which can react with metallic containers and…

Q: You take a bite of your cheeseburger and Begin to chew. Your teeth tear, chop and grind the food…

A: Answer:) your teeth are responsible for mechanical digestion in the mouth