Which of the following is a good hypothesis when someone observes that the car won't start in the morning?

Q: Describe the difference between intensive and extensive properties. Which of the following…

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Q: What is a derived unit? List an example?

A: The comparison of an unknown quantity with a known quantity is called as measurement. The measured…

Q: whats the differerence between 24k gold being a substance and element and 14k gold being a mixture…

A: Differerence between 24k gold and 14k gold:

Q: what is a hypothesis

A: Explanation- A hypothesis (plural hypotheses) is a proposed explanation for a phenomenon. A…

Q: Two spheres of equal volume are placed on the scales asshown. Which one is more dense?

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Q: Which of the following is a physical property? Boiling point Density        C, Temperature All of…

A: If a property of a matter is observed or measured without changing the identity of the substance,…

Q: what is the classification and properties of matter

A: Matter is classified on the basis of their physical and chemical properties.  On the basis of…

Q: For Which one of the following is the density maximum ?   A. ChloroformB. WaterC. BenzeneD. Ice

A: Density is the ratio of mass of substance to the volume of substance.

Q: If the temperature is -55 °F, what is the corresponding temperature on the Kelvin scale?

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Q: one

A: Two Different objects were put in Water. One floats but another one is sunk.

Q: A student mixes some soap with water and then blows through a straw into the solution. is it a…

A: Physical changes are those which do not involve any chemical reactions to be taking place only the…

Q: لم يتم الاجابة عليه بعد الدرجة من 2 علم هذا السؤال Which one of the following statements about…

A: Density is intensive property because it is the ratio of two extensive property which is mass and…

Q: How do I find the original water level in a beaker, when I’m given the mass of a metal (grams)…

A: Calculate the volume of the given metal by using the relationship between mass and density,

Q: A human brain weighs about 1 kg and contains about1011 cells. Assuming that each cell is completely…

A: Kilogram and gram are some common units of mass. These units can be converted into each other with…

Q: You observe that sugar dissolves more quickly in hot teathan in iced tea. You state that higher…

A: An unexplained situation for whom a solution is suggested that is not acceptable by a scientific…

Q: physical and chemical changes is

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Q: LO-1 1. Calcium carbonate, a white solid with a density of 2.71 g/mL, reacts with hydrochloric acid…

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Q: If a solution has a temperature of 355 K, what is its temperature in degrees Celsius? (please…

A: Temperature in Kelvin = 355 K

Q: Is density an extensive or intensive property?

A: The density of a substance defined as shown below. Therefore, density is not affected as the mass…

Q: What are some differences between physical and chemical properties or changes?

A: We have to describe the difference between the physical and chemical properties or say physical and…

Q: Which of the following is a good hypothesis when someone observes there is more traffic in the…

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: Which zero is significant in the number 50,540? What is the other zero called?

A: Which zero is significant in the number 50,540? What is the other zero called?

Q: Which one of the following properties of matter is WRONG

A: The given statements can be elaborated as follows- The chemical property of methane is its…

Q: Determine which of the following properties areintensive and which are extensive: (a) length,(b)…

A: The given parameters are a) length, b) volume, c) temperature, d) mass To find: Intensive and…

Q: The following particulate-level diagram best represents a(n).

A: We are given a particulate-level diagram as follows:

Q: Mass divided by volume is the forula for which physical property? a. Weight b. Density Conductivity…

A: Note: As per our guidelines, we are supposed to answer only three subparts when multiple subpart…

Q: Which of the following is a physical change? Choose all that apply. O a. burning wood O b. freezing…

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Q: Indicate what property each of the following measurements describe:

A: 1) 5.6 ns.     time     Explanation: ns = nano seconds.   Seconds is the measure of time.  2) 3.2…

Q: he following picture is a representation of what type of matter? a mixture of compounds an element O…

A: Note: You have uploaded two different questions at one time. But I am solving only first question…

Q: Which among the properties are measurable? Which ones are not?

A: Measurable properties are those properties that can be measured using scientific tools.

Q: Which of the following is a physical change? Choose all that apply. O a. rusting of a metal can Ob.…

A: Choose which are physical change?

Q: (1.6) Which of the following is an example of intensive properties? O mass O melting point O None of…

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Q: A 12-oz vanilla milkshake at a fast-food restaurant contains547 Calories. What quantity of energy is…

A: 1 calorie = 4.2 joules

Q: A car travels 28 mi per gallon of gasoline. What is the mileagein kilometers per liter?

A: The number of kilometers or miles covered is called mileage. The given data is that the car travels…

Q: A marathon distance race covers distance of 42.195 km. What is this distance in meters? In miles?

A: Given: Distance = 42.195 km To find: The distance in meters and in miles

Q: 36 ounces of beer is equivalent to how many standard drinks?

A: For a standard drink, a 5% alcohol beer bottle of 341 mL is equivalent to 12 ounces.

Q: Which is of the following is an example of an intensive property? O density O mass volume

A: Intensive properties can be defined as the substance whose properties do not depend on the amount,…

Q: Which of the following is based upon repeatable data and is no longer tentative? -Theory…

A: Which of the following is based upon repeatable data and is no longer tentative? -Theory -Scientific…

Q: I have a question. for the first question, wouldn't I divide 2.202 by 6.626 and divide by 100??…

A: Mass percent = (mass of solute / mass of solution) x 100 (1) mass percent of silicon dioxide =( mass…

Q: Based on this result, is the woman's drink a pure substance or a mixture

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Q: Classify following as pure substances and mixtures – Air, glucose, gold, odium and milk.

A: Given: Air, glucose, gold, sodium and milk

Q: Which of the following is a good hypothesis when someone observes there is more traffic in the…

A: The appropriate hypothesis when someone observes there is more traffic in the evening between 5 and…

Q: Prior to hosting an international soccer match, the local soccer club needs to replace the artifical…

A: Given: Length of the field = 0.100 km Width of the field = 0.074 km  Cost of grass turf =$9.00 / m2

Q: 36 ouncew of beer is equivalent to how many standard drinks?

A: 12 ounces of standard beer (regular) contains 5% alcohols.24 ounces of standard beer (regular)…

Q: The following picture is a representation of what type of matter? * O a compound O a mixture of…

A: Matter - anything that has mass and occupies space

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 of the following is a good hypothesis when someone observes that it is snowing lightly in the…

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Q: These quantity-dependent properties such as boiling point and freezing point are collectively called

A: The objective of the question is to tick the correct answer to the given alternatives.