Which type of formula represents the simplest whole-number ratio of atoms of the elements in a compound?

Answers

Answer 1

Answer: The empirical formula represents the simplest whole number shows the simplest whole number ratio of atoms in a compound. An example of this is the empirical formula for glucose (C₆H₁₂O₆) is C₃H₆O₃.

I hope this helps. Let me know if anything is unclear.

Answer 2

Answer:

Empirical formula

Explanation:

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Maple syrup, which comes from the sap of maple trees, contains water and natural sugars. It's a clear, brown liquid and the sugars can’t be separated by filtration. Under which category will you classify it?

Answers

Maple syrup, which comes from the sap of maple trees, contains water and natural sugars. It's a clear, brown liquid and the sugars can’t be separated byfiltration. The category is insoluble.

A balance is used to determine: my answer is a weight mass gravity

Answers

Answer: A balance is used to determine accurate mass of substances.

Explanation: Electronic balance is used to measure the small to large mass of substance from miligrams to grams to kilograms according to their features. Differnt different Electronic balances are used on the basis of amount to be measure.

In pharmaceuticals , other laboratories , schools , colleges mainly electronic balance is used , as it measure accurate weight of the substances.

a balance is used to determine Mass

What is the molecular shape of compound pl3 based on lewis structure

Answers

Your answer to this question is a Trigonal pyramidal

If ice is warmed and becomes a liquid, which type of process is it?exothermic

spontaneous

combustion

endothermic

Answers

Answer: Option (d) is the correct answer.

Explanation:

A reaction in which heat is absorbed by the substance or reactant molecules is known as an endothermic reaction. In this process energy of reactants is less than the energy of products.

Whereas a reaction in which heat is released by the substance or reactant molecules is known as an exothermic reaction. In this process energy of reactants is more than the energy of products.

For example, when ice is warmed then heat is absorbed by ice molecules due to which there occurs decrease in its intermolecular forces. As a result, ice changes into water.

Therefore, we can conclude that if ice is warmed and becomes a liquid, then it is an endothermic process.

If ice is warmed and becomes a liquid, the process is endothermic.

The process requires heat in order to proceed. If ice stays in a very cold place, it will not melt unless it's heated. If ice is placed outside where it melts on its own, it gets the heat from the surroundings.

A car on a 25-m2 hydraulic lift platform weighs 15,000 N. If the force on the smaller piston required to lift it is 1/100 its weight, what is the area of the smaller piston?

Answers

Answer:

The area is 2.5 m²

Explanation:

Step 1: Data given

A car has a 25 m² hydraulic lift platform that weighs 15000 N

The smaller piston required a force to lift = 1/100 its weight

Step 2: Calculate the area of the smaller piston

Pressure = Force / Area

F1 / A1 = F2 / A2

⇒ with F1 = weight of the hydraulic lift = 15000 N

⇒ with A1 = area of the hydraulic lift = 25 m²

⇒ with F2 = 1/100 of it's weight = 1500 N

A2 = F2 / (F1/A1)

A2 = 1500 ( 1500/25)

A2 = 2.5

The area is 2.5 m²

Which of the following best describes what happens when molecular compounds melt? A.) Molecules separate into their component atoms. B.)Molecules move more slowly. C.) Molecules arranged in an irregular pattern change to a regular pattern. D.) Molecules arranged in a regular pattern change to an irregular patter.

Answers

I think the correct answer from the choices listed above is option D. When a molecular compound melts, they undergo the process of phase change from solid to liquid therefore molecules arranged in a regular pattern change to an irregular pattern. Hope this answers the question.

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