How does a chemical reaction obey the law of conservation of matter? A B C D The same number of molecules appear in the reactants as appear in the products. The total mass of the reactants is equal to the total mass of the products. The same total number of chemical bonds are in the reactants as are in the products. The same number of reactant particles as product particles are in- volved in the reaction.

Q: Purple spheres represent iodine atoms, white spheres represent hydrogen atoms, and all of the…

A: Given:  Purple atom = Iodine (I) White atom = Hydrogen (H)

Q: A mixture contains both potassium phosphate and potassium chloride. What is the percentage of…

A: The moles of  Cu3(PO4)2 in 0.5565 g is, number of moles=given massmolar mass…

Q: Does the percent by mass of each element in a compound depend on the amount of that element used to…

A: The mass percent is calculated by the formula, % mass of element=mass of element in compoundmass of…

Q: 2 5 152 A 352.44 155 T 362.31 154 16 D 359.12 153 G 355.67 156 X 365.88 157 Z 369.52 You time travel…

A: Since you have asked multiple questions ,we will solve the first question for you.If you want any…

Q: Symbol mass moles Number of atoms Fe 354 g potassium 302 g silver 2.16 x 1024

A: Number of moles = mass ÷ molar mass Number of atoms in 1 mol = 6.022 x 1023

Q: A chemical change is a change in composition resulting in a product with different properties.…

A: The objective of the question is to verify the definition of a chemical change.

Q: The atomic weight of bromine is 79.904, yet no atom of bromine weighs 79.904 amu. Why is this true?

A: Given : The atomic weight of bromine is 79.904, yet no atom of bromine weighs 79.904 amu.

Q: The reaction of sulfur powder (S8) with oxygen gas (O2) results in the formation of one of many new…

A: We know that, molar mass of O = 15.999 g/mol molae mass of S = 32.065 g/mol

Q: What are the differences between these equations?

A: Standard enthalpy of formation of a substance is defined as the enthalpy change accompanying the…

Q: If 10 magnesium(Mg) atoms and 10 chlorine(Cl) atoms were to bump into each other, coukd they combine…

A: If 10 atoms of magnesium and 10 atoms of chlorine bump into each other, they will combine to form a…

Q: Calculate the molar mass of the elements (go to the nearest one if your answer does not exactly…

A: Given: 25 g of an element contains 2.37 x 1021 atoms 25 g of an element contains 2.89 x1021 atoms

Q: element is simply the mass in grams of that element that is numerically equal to its atomic mass.…

A: Atomic mass:The atomic mass is called mass of the atom or it can also be referred to as the number…

Q: How do the properties of compounds compare to the properties of the elements from which the…

A: Concept introduction. Elements are pure and made up of only one type of substance.Example: F,Cl etc.…

Q: Fill in the blank. One mole of any atomic, ionic or molecular substance is it's respective atomic,…

A: The atomic mass of an element is equal to the mass of one mole of that element. The molecular mass…

Q: What is the significance of 'atom economy'? How is this value calculated for a chemical reaction?

A:

Q: In a universe far, far away, there exists an alien world where they have a different periodic table,…

A:

Q: An atom consists of two isotopes, the first with an atomic mass of 15.8967 amu and the second with…

A: Atomic mass of first Isotope = 15.8967 amu Atomic mass of second Isotope = 16.8245 amu Average mass…

Q: 4. Potassium permanganate Туре of Atoms Amount of Total each atom amount Mass of each Formula Total…

A: Given :  To find the type of atoms and total molar mass for the following compounds. 1. KMnO4  2.…

Q: You take three compounds, each consisting of two elements (X, Y, and/or Z) and decompose them to…

A: The problem belongs to the simplest ratio of masses.

Q: 6. You are working in the laboratory, preparing sodium chloride. Consider the following results for…

A: We have find out the answer.

Q: Solid calcium chloride is formed by the reaction of chlorine gas and solid calcium . Write a…

A:

Q: A nail is coated with a 5.49E-2 cm thick layer of zinc. The surface area of the nail is 8.27 cm2.…

A:

Q: What is the total number of oxygen atoms on the right-hand side of this chemical equation? 3HNO2 aq…

A: We need to count all the atoms on left side of the reactions as well as right side of reactions to…

Q: 7. Which of the following is the molecular formula of a sample of a compound containing 30.46%…

A: Please find your solution below : Molecular formula of any compound is an expression about the…

Q: Calculate the mass of each sample. a. 1.05 × 10²26 atoms of neon, Ne(g)

A: 1 mole of atom = 6.022 × 1023 atoms

Q: Identify the scientific law that is used in the process of balancing chemical equations. the law of…

A: 1. Given that : We have to identify the scientific law that is used in the process of balancing…

Q: 6 What is the mass of 2.0 billion billion atoms of gold? (1 billion is 1 x 10^9, so a billion…

A:

Q: 1. How many molecules are there in 150 g of C12H22O11?

A: Given :-we have to find how many moleculerare there in 150 gm of C12H22O11

Q: Add-ons Help Läst edit was 4 minutes ago Background Layout - Theme Transition Explore It! Part 1…

A: The Law of conservation of mass states that mass can neither be created nor be destroyed but, it can…

States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates). 

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.