In simple terms, what is the difference between a theory and a law

Q: Use the References to access important values if needed for this question. 1A 8A H 2A 3A 4A SA 6A 7A…

A: Two species are iso electronic when they have same number of electron  thus have electronic…

Q: What is protoscience and pseudoscience? What is atomic theory?

A: Science is the study of nature. It describes the fact that how physical world work. Four main…

Q: what does Cs and Cl react to

A: Caesium falls in the first group of the periodic table and chlorine falls in the seventeenth group…

Q: 1. Which of the following is not one of Dalton's laws? a) Atoms are indestructible. b) Atoms of the…

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Q: 23. Ammonia is synthesized from hydrogen and nitrogen. N2 (g) + 3 H2(g) - -> 2 NH3 (g)lf 5.00 L of…

A: Given that: N2(g) + 3H2(g) ....> 2NH3(g)  Volume of N2(V) = 5.00L T = 298 K P = 3.00 atm

Q: The density of carbon lellacinun tetrachloride? 3.3 x 1023 atoms b. 5.4 x 1023 atoms c. 1.4 x 1024…

A: Number of moles of a compound = number of moleculesavagadro number Number of moles of a compound =…

Q: Examples: CCO, + HNO, → Zn(NO,)2 + Na,PO, → Practice: AGNO, + NaCI > HCI + AGNO, → Na,SO, + BaCl, →

A: Given :-  CaCO3 + HNO3 →  Zn(NO3)2 + Na3PO4 →  AgNO3 + NaCl →  HCl + AgNO3 →  Na2SO4 + BaCl2 →…

Q: 1.   Does sodium (Na) attract or release electrons?  How many electrons are involved in the…

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Q: please help me, double and triple check your answers, previous tutors got it wrong so check it.

A: Calculation for moles of Ne: Calculation for moles of Kr: Calculation for moles of Ar:

Q: How many moles of neon are contained in the following volumes at Standard Temperature and Pressure…

A: One mole of ideal gas will occupy volume of 22.4 liters at STP   a)  44.00 L so number of moles of…

Q: If the same mass of metal was used in the experiment, how would the volume of hydrogen gas produced…

A: Given ; both metals have equal mass used in experiment

Q: A flexible container contains 6.02 x 10 molecules of N, at a volume of 22.4L. What will be its new…

A: To solve this problem we have first convert the number of molecules into number of moles . We know…

Q: Calculate the total mass of water in kg on Earth's surface from the following data: total planetary…

A: Given, total planetary surface area = 510066000 km2            total land area = 148647000 km2…

Q: The foumatin constant 4 abd Lz Log 2 23.9 thee diffesnce Dan two ligende ewith Coppel is found to be…

A: Coordination complexes are formed by the coordinate bonding of metals and ligands of ionic or…

Q: What is the difference between a scientific theory and a natural law?

A: The difference between a scientific theory and a natural law has to be defined below.

Q: Complete the following tables.

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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: The radius of a aluminum atom is 143 pm. How many aluminum atoms would have to be laid side by side…

A: Given : Radius of Aluminium atom = 143 pm And length of line to be made = 4.38 mm  Since 1 pm =…

Q: 00 Не Enter the percent volume of He in the visualization. MM[He]=4.003 g/mol, MM[N2]=28.01 g/mol.

A: In 1 mol of helium there is 6.022×1022 atoms of helium. So, for the given system the number of moles…

Q: What does the term "inversely proportional" mean?

A: There are two type of relation, directly proportional or inversely proportional.

Q: . The electrolysis of water into hydrogen and oxygen is an example of ______ reaction. A.…

A: The electrolysis of water into hydrogen and oxygen is an example of decomposition reaction so…

Q: Calculate the number of moles in and the mass of an 6.24 L sample ammonia, NH3, measured at standard…

A: Here, we have to calculate the number of moles in and the mass of a 6.24 L sample ammonia, NH3,…

Q: Determine the mol H20/mol CaSO4 if you have the following data to two decimal places (MM H20 =18.02…

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Q: Janet is in the lab performing her favorite experiment.  She takes 125. grams of zinc and reacts it…

A: 1 mole of hydrogen = 22.4 L gas = H2 molar mass Density = weight/volume mole = weight/molar mass

Q: Based on the graph below, is this graph an endothermic or exothermic graph and why? Compare and…

A: The given graph if of heating of a solid substance.

Q: What are the three fundamental laws of chemistry?

A: The laws of chemical combinations are the fundamental laws of chemistry.

Q: Part 2 O See Hir Consider a sample of gas that contains 625 moles of smokestack gas. How many…

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Q: A student add 15g of baking soda to 10g of acetic acid in a beaker. A chemical reaction occurs and a…

A: Baking soda : NaHCO3 ACETIC ACID : CH3COOH

Q: JJ Thomson is credited with the discovery of

A: J J Thomson, in full Sir Joseph John Thomson, (born December 18, 1856) is English physicist who…

Q: A sample of a gaseous binary compound of boron and chlorine weighing 2.842 g occupies 0.153 L. This…

A: The number of atoms of boron and the number of atoms of chlorine in a molecule of this compound has…

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: liquid (C) Y. Which one of the following staternents iS correct abont Avogadro's law and its…

A: Answer  Q=7  Which of the following  statement is correct about Avogadro…

Q: 1.NABH4 ? с) 2. Нао co,C2H5 1. Hg(OAc)2/THF/H2O ? d) 2. NaBH,ГОН

A:

Q: Archimedes tells us the lifting power of a balloon (how much mass it can lift) is equal to the…

A:

Q: (d) Sb + He → I + ? 121 124 (e) 241 Am +'B → 4¿n+? 95 3° Cf + ? → 103L + 3 ¿n 259 98

A: Complete the following nuclear reaction ---

Q: ____________ makes up the majority of oil use, with gasoline and diesel fuel being the most common…

A: Petroleum is a naturally occurring substance which is composed mainly of aliphatic hydrocarbons.…

Q: The density of aluminum is 2.7 g/cm3; that of silicon is 2.3 g/cm3. Explain why Si has the lower…

A: Silicon, the symbol Si and the atomic number 14, are a chemical element. It is a tough, brittle,…

Q: de of paraffin wax (C25H52). When paraffin burns in oxygen, carbon dioxide and water are produced.…

A: Balanced chemical equation : C25H52 (s)    + 38 O2 (g)  → 25 CO2 (g)   + 26 H2O (l)    By…

Q: For a hydrogen peroxide molecule, what is the ratio of hydrogen atoms to oxygen atoms? How does this…

A: The molecular formula for hydrogen peroxide is H2O2 whereas the molecular formula for water is H2O.

Q: Marie Curie was a Polish scientist that specialized in chemistry and physics. She wanted to…

A: Marie Curie  Marie Curie is renowned for discovering radium and polonium, as well as for making a…

Q: What is the si unit for the distance from earth to the sun

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Q: Advantage of gas particles being described as having mass but no volume for the atoms

A: The kinetic theory of gas assumes that the volume of the gas molecules is negligible as compared to…

Q: Why are the chemical elements important in the Big history story?

A: A chemical element, also called an element, is anything that can decompose into simple substances…

Q: Filling the Blanks. Fill in the blanks with the correct word/words to complete the given statement.…

A: 1) Carbohydrates provide energy to the body, particularly through glucose, a simple sugar that is a…

Q: art II. Complete each statement below by filling in the blanks with the correct words found from the…

A: Solutions- Kinetic theory of gases.

Q: Chromium reacts with oxygen to form three different compounds, X, Y and Z. It was found that, for…

A: Given: mass of Cr in X, Y and Z is 1 g. mass of O in X = 0.308 g mass of O in Y = 0.462 g mass of O…

Q: Archimedes tells us the lifting power of a balloon (how much mass it can lift) is equal to the…

A: According to Archemedes principle,  Mass carried out by a balloon = (mass of air displaced by…

Q: 8. A 2.856-g sample of limestone was analyzed for Fe, Ca, and

A: A 2.856-g sample of limestone was analyzed for Fe, Ca, and Mg.