In our modern view of matter and energy, is the law of massconservation still relevant to chemical reactions? Explain

Q: Complete the table

A: Electrochemical cells / Galavanic cells / Voltaic cells :  In these cells chemical energy is…

Q: Fill in the blanks by writing the name of the definition: is a substance made up of only a single…

A: an element is a substance that cannot be broken down into any other substance every element is made…

Q: Who originally proposed the concept that matter is composed of tiny, indivisible particles?

A: John Dalton proposed the concept that matter is composed of tiny, indivisible particles.

Q: 7. Is matter usually charge-neutral? How would matter be different if it were not charge-neutral?

A: Matter is neutral since they have equal number of protons(positively charged) and electrons…

Q: Where have you seen elements, atoms, ions, etc in real life? Where did you see them and what were…

A: Elements present in the periodic table can be seen all around us in our day to day life.  Elements…

Q: According to the conservation of mass and energy law, which of the following is TRUE of mass and…

A: The law of conservation of mass and energy is similar for both the entities and is a law which…

Q: A sample of magnesium is found to contain 78.70% of 24Mg atoms (mass 23.98 amu), 10.13% of 25Mg…

A: The atomic mass of an element is the average of masses of all the isotopes of that element present…

Q: In our modern view of matter and energy, is the law of mass conservation still relevant to chemical…

A: In our modern view of matter and energy, the law of mass conservation still relevant to chemical…

Q: Describe the relationship between atoms, elements, and matter

A:

Q: Transition metals are good conductors of electricity because of their sea of electrons Oability to…

A: (1). Substances through which heat and electricity can easily pass are called conductors. For…

Q: 1. What did Democritus contribute to our modern understanding of matter

A: ANSERE IS DISCUSSED BELOW :

Q: Complete the following shorthand notations: ? (р, а) Li 31P (a, ?) ES 15 242 66Cm (α, n) ? 25Mg…

A:

Q: Complete the table.

A: Given equation is : Also, Rate of reaction = 0.010 M/s

Q: 1. A material consists of an element. How many types of atoms are present in this substance? (C.1.1)…

A: Every substance consists of small particles and these particles are called atoms.  So, basically a…

Q: After two elements react to completion in a closed container, the ratio of their masses in the…

A: In general chemistry, a number of theories were proposed to explain the nature of matter, particles,…

Q: Explain how Dalton’s atomic theory offered a convincing explanation of the observation that mass is…

A: The parameter by which Dalton's atomic theory provided appropriate explanation of observation that…

Q: What is relative abundance

A: Given question is :  What is relative abundance = ?

Q: A new compound has the empirical formula GaCl2. Thissurprises some chemists who, based on the…

A: The empirical formula of new compound is s GaCl2 . Since gallium is belongs to group 13, it exhibit…

Q: Magnesium constitutes about 2% of Earth’s crust and has three naturally occurring isotopes. Suppose…

A:

Q: . Investigate the history of the discovery of chemical elements. What was the most recent element to…

A: History of the discovery of chemical elements: The discovery of the 118 chemical elements known to…

Q: Bromine is used to prepare the pesticide methyl bromide andflame retardants for plastic electronic…

A:

Q: The behavior of matter is determined by the properties of molecules and atoms. True or false?

A: Everything surrounding the molecule is a matter. It is made up of atoms and molecules. It has mass…

Q: This picture represents a a. mixture of elements. b. a compound. Oc chemically bonded elements. O d.…

A: 11. An element is a substance that consists of atoms of same kind.They are the pure form of a…

Q: The unit of energy in atomic units is given by me 167'eh? (A) 1 E, 2+2 et (B) 1 E, = 167 m,eh? me…

A: Energy of an electron depends on the orbit in which it is present. It also depends on the mass.…

Q: Which observation illustrates the law of conservation of mass? A.)When 3 g of carbon reacts with 8…

A: Law of conservation of mass states that matter cannot be created nor to be destroyed in a chemical…

Q: Explain the four points of the particle model of matter.

A:

Q: Three sceintists that particpated in the discovery and invention or contributed to the early atomic…

A:

Q: chemical properties?

A:

Q: 4. The following data were collected for several compounds of nitrogen and oxygen: Compound Mass of…

A: Compound Mass of Oxygen reacts  with 1 g of nitrogen W 0.5711 g X 1.142 g Y 2.284 g…

Q: Complete the following shorthand notations: ? (р, а) $Li 31p (a, ?) 1čS 242Cm (a, n) ? Mg (? ,p) iNa…

A: To find: The complete shorthand notation for the given compounds

Q: 3. According to quantum theory, matter is made of particles that are constantly in motion. 2. The…

A: The kinetic theory of matter helps to understand why matter occurs in various forms such as solid,…

Q: The ratio for an mass-to-charge electron is 5.64x10−12 kg/C. In another experiment, using Millikan's…

A: Millikan did an experiment to determine the mass to charge ratio for an electron which was known as…

Q: What is the Principle of Constant Proportions?

A: Principle of constant proportion is also known as as law of definite proportion. It says that the…

Q: What is the Law of Definite Composition?

A: The law of definite composition states that any chemical compound will always contain a fixed ratio…

Q: How are the atomic masses of the natural isotopic mixtures calculated?

A: Given information,  The atomic masses of the natural isotopic mixtures calculation

Q: Are you satisfied knowing that man can recreate an element using technology? Justify your answer​

A: The term "man-made elements" refers to substances that do not occur naturally on the earth.  A new…

Q: State and explain the law of conservation of mass.

A: According to law of conservation of mass, the total mass of the reactant is equal to the total mass…

Q: Complete the following shorthand notations: ? (p, a) Li P (a, ?) s 242Cm (a, n) ? Mg (?,p) iNa 15 16…

A:

Q: Defend or refute the statement • The separation of a mixture may result in the production of an…

A: Mixture is a composition where two or more different components are mixed . The process of parting…

Q: A sample of chemical X is found to contain 5.0 grams of oxygen, 10.0 grams of carbon, and 20.0 grams…

A:

Q: How is the chemical symbol of an element determined? Explain in 200 words.

A: Given : Elements  To find : Chemical symbols Solution : Elements are those Compounds which cannot be…

Q: Explain in 5 to 6 sentences how Hans Christian Oersted explained that magnetic properties of…

A: Interpretation- We have to explain that how Hans Christian Oersted explained that magnetic…

Q: The law of conservation of mass states that mass in an isolated system is neither created nor…

A: The example is given below:

Q: Perform the following calculation to the correct number of significant figures: Suppose that…

A: Given data contains, Mass of particle X in oz is 21.40390 oz

Q: The mass of a neutron is 1.6749×10−24 gg , and the mass of a proton is 1.6726×10−24 gg . What is the…

A:

Q: Atoms are the building blocks of all matter. Where do the many diverse and unique properties of…

A: Atom combine to form different type of compound and hence do vary in the physical properties.

Q: Which statements are true? A. There are 11 elements represented in the periodic table by letters…

A:

Q: Atoms are the building blocks of all matter. Where do the many diverse and unique properties of…

A: Interpretation: We have to tell from where properties of matter come from.