Which best describes the law of conservation of mass?
The law of conservation of mass is best described by - The mass of the reactants and products is equal and is not dependent on the physical state of the substances.
Which best describes law of conservation of mass?
The law of conservation of mass states that in a chemical reaction mass is neither created nor destroyed. For example, the carbon atom in coal becomes carbon dioxide when it is burned. The carbon atom changes from a solid structure to a gas but its mass does not change.
Which statement best describes the law of conservation of mass responses?
Therefore, the statement that best describes the way in which mass is conserved during chemical reactions is answer choice (D): the total mass of reactants is equal to the total mass of products.
Which of the following best describes the law of conservation of matter?
Answer b: The law of conservation of matter says that in chemical reactions, the total mass of the products must equal the total mass of the reactants.
Which statement best describes the law of conservation of mass brainly?
Question 29 Which statement best describes the Law of Conservation of Mass? The masses of the reactants in a chemical reaction are always equal.
Which best describes the law of conservation of mass quizlet?
Which best describes the law of conservation of mass? The mass of the reactants and products is equal and is not dependent on the physical state of the substances.
What does the law of the conservation of mass state ____ *?
The law of conservation of mass states that matter can neither be created nor be destroyed in a chemical reaction, i.e. mass before and after the chemical reaction is same.
Which statement describes the law of conservation of?
The law of conservation of energy states that within a closed system, energy can change form, but the total amount of energy is constant.
Which of the following is the correct definition for the law of conservation of mass as expressed by Lavoisier in 1789?
The law of conservation of mass was given by Lavoisier. It states that mass can neither be created nor destroyed in a chemical reaction i.e. Total masses of reactants is equal to the sum of masses of products and the masses of unreacted reactants.
What is the law of conservation of mass in all chemical reactions?
Matter cannot be created or destroyed in chemical reactions. This is the law of conservation of mass. In every chemical reaction, the same mass of matter must end up in the products as started in the reactants.
Which of the following statements is true about the law of conservation of mass?
matter is neither created nor destroyed a chemical reaction More simply the mass of products is equal to the mass of the reaction in a chemical reaction.
Why is it called the law of conservation of matter mass?
The Law of Conservation of Mass dates from Antoine Lavoisier's 1789 discovery that mass is neither created nor destroyed in chemical reactions. In other words, the mass of any one element at the beginning of a reaction will equal the mass of that element at the end of the reaction.
What does the law of conservation of matter state matter can not be ____?
The law of conservation of mass states that matter cannot be created or destroyed.
Which sentence is a statement of the law of conservation of mass?
What is the Law of Conservation of Mass? “The mass in an isolated system can neither be created nor be destroyed but can be transformed from one form to another”.
Which is not true about the law of conservation of mass?
A given compound always contains exactly the same proportion of elements by weight can be explained by the Law of Constant Proportion. Hence this is an incorrect statement about the Law of Conservation of Mass.
What was the experiment of the law of conservation of mass?
One of Lavoisier's experiments entailed placing a burning candle inside a sealed glass jar. As the wick burned down and the candle melted, the weight of the jar and its contents remained the same, thereby proving his pioneering theory.
Which of the following is true regarding the law of conservation of mass quizlet?
Which of the following is true regarding the law of conservation of mass? It dictates that the number of atoms of each element must be the same on both sides of a chemical equation.
What does the law of conservation of charge state?
The law of conservation of charge states that the total amount of electric charge in a closed system must remain constant.
What is the law of conservation of the number of atoms in the products?
The law of conservation of matter says that matter cannot be created or destroyed. In chemical equations, the number of atoms of each element in the reactants must be the same as the number of atoms of each element in the products.
What does the law of conservation of matter states that during a chemical reaction the amount of matter blank?
The Law of Conservation of Matter says that the amount of matter stays the same, even when matter changes form. Sometimes it may seem that matter disappears during a science experiment, but this law tells us that matter cannot magically appear or disappear, it simply changes from one form to another.
Which of the following best defines conservation quizlet?
What is the BEST definition of conservation? Careful management of land and resources.
Which of the following is the correct definition of conservation?
Conservation is the act of protecting Earth's natural resources for current and future generations.
Who said the law of conservation of mass?
Antoine Lavoisier (1743-1794), the father of modern chemistry, was the first to observe the law of conservation of mass.
Is the law of conservation of mass always true?
The law of conservation of mass is not always correct, however. Albert Einstein's special theory of relativity, introduced in 1905, showed that mass and energy are equivalent, so mass can be converted into energy and vice versa.
How does the theory explain the mass law?
Dalton hypothesized that the law of conservation of mass and the law of definite proportions could be explained using the idea of atoms. He proposed that all matter is made of tiny indivisible particles called atoms, which he imagined as "solid, massy, hard, impenetrable, movable particle(s)".
What is the law of conservation of mass in a chemical reaction quizlet?
The law of conservation of mass states that mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations. According to the law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants.
Why is the law of conservation of mass important in chemical reactions?
Law of Conservation of Mass in Chemistry
The law of conservation of mass was crucial to the progression of chemistry, as it helped scientists understand that substances did not disappear as result of a reaction (as they may appear to do); rather, they transform into another substance of equal mass.
Is the law of conservation of matter and mass the same?
The law of conservation of mass is also referred to as the law of conservation of matter and the two names are often used interchangeably. Other names sometimes used for the law also include the law of matter conservation or the law of mass conservation.
What is law of conservation of mass synonym?
Definitions of law of conservation of mass. a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system. synonyms: conservation of mass, conservation of matter, law of conservation of matter.
What is the term used for the elements and compounds after a chemical reaction takes place?
The substances that go into a chemical reaction are called the reactants, and the substances produced at the end of the reaction are known as the products.
Why is the law of conservation of matter a law and not a theory?
Both are supported by vast amounts of evidence and generally accepted by the scientific community. A law is more narrow, like this particular description about matter, whereas a theory might be more broad and often would often include more of an explanation why.
Which of the following is measured using Newtons a unit of force )?
Weight is the measurement of the amount of gravitational force acting on a body. The SI unit of weight is (N) Newton.
Why is the law of conservation important?
An important function of conservation laws is that they make it possible to predict the macroscopic behaviour of a system without having to consider the microscopic details of the course of a physical process or chemical reaction.
What is the one exception to the law of conservation of mass?
That is, in an open system, energy can escape from the system or energy can be added to the system. So, the total mass of the open system doesn't remain constant. So, open systems are an exception for law of conservation of mass.
Which statement best describes the law of conservation of energy?
The law of conservation of energy states that within a closed system, energy can change form, but the total amount of energy is constant.
Which best represents the law of conservation of mass a skeleton equation or a balanced chemical equation?
Law of conservation of masses is accurately represented by a balanced chemical equation and not a skeleton equation. A balanced chemical equation accurately shows the validity of the law of conservation of masses as shown in part b of this question.
Which of the following best explains the law of energy conservation?
The correct answer is A. The law of conservation of energy states that the total energy in a system or object remains constant or conserved over time. In this case, energy can never be created nor destroyed during chemical reactions and physical transformations.
How will you describe the law of conservation of momentum?
The conservation of momentum states that, within some problem domain, the amount of momentum remains constant; momentum is neither created nor destroyed, but only changed through the action of forces as described by Newton's laws of motion.
Which of the following describes energy conservation?
Energy conservation is the decision and practice of using less energy. Turning off the light when you leave the room, unplugging appliances when they're not in use and walking instead of driving are all examples of energy conservation.
What is the law of conservation of mass when a reaction is balanced?
A balanced chemical equation always obeys law of conservation of mass. According to this law the mass of products must be equal to the mass of reactants. A reaction is said to be balanced when the total mass of atoms on both sides of the chemical reaction is equal.
How is the law of conservation of mass represented in a chemical equation?
Answer and Explanation: Chemical equations demonstrate the law of conservation of mass because each chemical equation must be balanced so that the number of atoms of each element on the reactant side must be equal to the number of atoms of each element on the product side.
Why is the law of conservation of mass important?
The law of conservation of mass was crucial to the progression of chemistry, as it helped scientists understand that substances did not disappear as result of a reaction (as they may appear to do); rather, they transform into another substance of equal mass.
What is an example of the law of conservation of energy?
Similarly, the law of conservation of energy states that the amount of energy is neither created nor destroyed. For example, when you roll a toy car down a ramp and it hits a wall, the energy is transferred from kinetic energy to potential energy.
What are the 3 laws of conservation of energy?
In mechanics, there are three fundamental quantities which are conserved. These are energy, momentum and angular momentum. If you have looked at examples in other articles—for example, the kinetic energy of charging elephants—then it may surprise you that energy is a conserved quantity.
What is the difference between the conservation of energy and the conservation of momentum?
Conservation of Energy: the total energy of the system is constant. Conservation of Momentum: the mass times the velocity of the center of mass is constant. Conservation of Angular Momentum: The total angular momentum of the system is constant.
What is the law of conservation of momentum and energy?
Law of conservation of momentum states that. For two or more bodies in an isolated system acting upon each other, their total momentum remains constant unless an external force is applied. Therefore, momentum can neither be created nor destroyed.
What is a real life example of the law of conservation of momentum?
Q. What is the real-life example of the law of conservation of momentum? The recoil of a gun is a real-life example of the law of conservation of momentum. The gun and the bullet have the same momentum but in opposite directions after it is fired.
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