Define the Laws of Definite and Multiple Proportion?

Q: Write

A: Since you have asked a question with  multiple sub-parts, we will solve  first three sub-parts for…

Q: C6H15N express your answer in atomic mass units to two decimal places

A: Atomic mass unit  mass equal to one twelfth of the mass of an atom of carbon-12.  Atomic mass unit…

Q: 11. Pb(NO), # of molecules: # of elements: Name of element: # of atoms Total # of atoms: The #3 is a…

A:

Q: Which of the following has the smallest diameter?   Human hair   Combustion particles   Fine…

A: Which of the following has the smallest diameter? Answer is given below.

Q: A penny has a mass of 2.50g and the Moon has a mass of 7.35x10^22kg. What is the mass of 1 mole of…

A: Given,

Q: 13. СО, # of molecules: # of elements: Name of element: # of atoms Total # of atoms: The #2 is a…

A: The name of the element and number of atoms in the given molecules has to be given.

Q: Which scale is most useful for reporting data from the spectrometer? Why?

A: The two scales used for analysis in UV spectroscopy is percent transmittance and absorbance.

Q: A molecule has a mass of 4.65 x 10^-23 g. Provide two possible chemical formulas for such a…

A: Given  mass of 1 molecule = 4.65 x 10-23 g we know  mass of 1 molecule = 1 mole  1 mole = 6.022 x…

Q: 1B3 uhat is after bal Pb Cs). 3.

A: When the same number of each element is represented on the reactant and product sides, then the…

Q: Table 1. Tabulated data from Figure 2. Rel. Abundance m/Z Proposed Identity ~1 45 100 44 ~11 28 ~2…

A:

Q: 2) Ar0, H201D 1) CH3I, cx cess,

A:

Q: A compound consists of elements combined in a fixed ratio. True or False

A: An element is a pure chemical substance made of same type of atoms.  The compounds are made up of…

Q: Describe the Atomic Theory of Matter?

A: The atomic theory of Matter has to be described.

Q: Explain three different types of mass spectrometers. Differentiate them, construction,working and…

A: Interpretation - To explain three different types of mass spectrometers and we have to differentiate…

Q: Which statement about pure substances and molecules is correct O All pure substances are molecules.…

A: To define: Pure substances and molecules.

Q: is ado ded tő r2+ (aa) t (aa) + 2X

A: According to the question, a soluble salt MX2 is added to water in a beaker. The dissolution…

Q: A) N2 + H2→__ NH3 5-- --- B) KCIO3 → KCI + 02 51- - C) NaCl + F2→ NaF + Cl2 D) C3H18 + CO2 + H20 ---…

A:

Q: How many protons are in an ion with 18 electrons and a −1 charge? - Number of protons:   How many…

A: Number of protons are always equal to atomic number of an element. If positively charged ion,…

Q: Given the density of silver (10.5 g/cm³) and gold (19.3 g/cm³) in Group IB/11, estimate the density…

A:

Q: Why was it necessary for separation techniques and methodsof chemical analysis to be developed…

A: Law of definite composition states that the composition of a particular compound is the same no…

Q: Identify as an element, compound or mixture of compounds

A: Element: Element is a chemical substance which has a single atom and it cannot be broken down in…

Q: How many sigfigs does this number have 0.021?

A: Rules:- All non-zero digits are significant. Zeros between non-zeros are significant. Trailing…

Q: Q4- Calculate the radius and volume also the density of Gold Nuclei (Au).

A: The relation between the mass number of a nucleus and the radius of the nucleus is given as follows;…

Q: 1.16 Give the chemical symbol or name for each of the followingelements, as appropriate: (a) carbon,…

A: Chemical symbol is the short notation given for an element.

Q: Which of the following is incorrect: a. General steps in quantitative analysis include: Method…

A: Chemical analysis are of two types : 1. Quantitative analysis 2. Qualitative analysis

Q: How is accuracy and precision related to errors incurred in the chemical analysis?

A:

Q: Complete each of the following equations:

A: The complete reactions are given below -

Q: Fill in the blank. Gravimetric analysis relies heavily on the principle of

A: Gravimetric analysis is a method for compound

Q: Which methods separate a mixture according to the size of the particles? distillation and…

A: Given: To identify the methods which separate the mixture based on the size of the particles.

Q: Give at least 3 modes or ways to separate the components of a mixture and when can each method be…

A: The different components of a mixture can be separated by using different separations methods some…

Q: Distinguish between elements and compounds.

A: Elements can be described as the simplest form of the pure substance which can not be broken down…

Q: How is accuracy and precision related to errors incurred in the chemical analysis?

A: In chemical analysis there are mainly two categories of measurement. Qualitative analysis…

Q: CsI SrO RbF SrF,

A: The lattice energy of a crystalline solid is the amount of energy released when ions are combined to…

Q: (1) Give to example of 1D Nano materials.

A:

Q: Law of constant proportion example (can be easily drawn)

A: To determine the combination of any molecules we have the following law of chemical combinations.…

Q: Q26 (B) 500 grams of Zn(XO3)2 contain  7.22 x 1023  molecules. Find name and symbol of X.m

A:

Q: Fe2O3 express your answer in atomic mass units to two decimal places

A: Atomic mass unit is a unit which express the relative masses of atoms. One atomic mass unit is equal…

Q: ~xxx se HS04 (A) ☆ (C) (D) Fasit + 4 #504 gl "ye

A:

Q: Question 2 Give the classification of matter when two substances are present as a heteroatomic…

A: If same kind of atoms = homoatomic molecule If different kind of atoms = heteroatomic molecules

Q: Which number has 2 sigfigs? O 1.2 x 105 O 11.11 O 276 8.

A: Option A is correct.

Q: A method of analysis yields masses of gold that are low by 0.4 mg. This method is used for analysis…

A: The relative error is (mass loss/Total mass )x 100. Based on above detail solution is provided…

Q: Law of multiple proportion example (daily objects)

A: Law of definite proportions, statement that every chemical compound contains fixed and constant…

Q: and sighinicait ngur es. 1. 18 x 10-19– 5.21 x 10-20 O4.03 x 10-20 O4.0x 1020 6.59 x 10-20

A: For addition or subtraction of significant figures, we Round off the sum or difference to the same…

Q: d) c, and (e) p? red quantities: (a) 351 g,

A:

Q: 2.66 + 4.38 ×10* -1.0835×10 K K JK T -1.2517×10¬ K -2.85 + 6.543×10² K?

A: Now, ∆S298 =2S298oHcl-S298oCl2-S298oH2 ∆S298 =2×186.9-223.1-130.7∆S298 =20Jkmol

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.