You have two beakers on your lab table.  Beaker #1 contains 32.07 g of sulfur and Beaker #2 contains 74.92 g of arsenic (As).  Which beaker contains the greatest number of atoms?  Choose the best answer. Group of answer choices Beaker #2 because arsenic has a greater mass than sulfur. Beaker #1 because one sulfur atom weighs less than one arsenic atom so you need more of the sulfur atoms to fill the beaker. Beaker #1 and #2 contain the same number of atoms because there is one mole of each. Beaker #2 because it contains more moles of arsenic atoms than the numbers of moles of sulfur atoms in Beaker #1. Beaker #1 because it contains more moles of sulfur atoms than the number of moles of arsenic atoms in Beaker #2.

Q: An analytical chemist measures the amount of Elements E₁ and E₂ in four samples of an unknown…

A: Pure substance:-  The substance in which the ratio of each element mass is constant for all randomly…

Q: How many atoms are contained in 18.50 mL of water (d = 0.997 g/mL)?

A:

Q: You add 297 grams of NaCl to a container and then you add 898 grams of water to that same container.…

A:

Q: When a 12.259-g sample of a compound containing only copper and oxygen was decomposed it produced…

A:

Q: What is the mass in grams of 5.20 x 10 tin (Sn) atoms? x 10

A: Given : Number of atoms of Sn = 5.20 X 1012 atoms.

Q: Which of the following has more atoms: 3.55 g ef lithium atoms or 19.1 g of nickel atoms?

A: Mass of lithium = 3.58 g Mass of nickel = 19.1 g

Q: -22 A copper atom has a mass of 1.06 x 10 g and a penny has a mass of 2.5 g. Use this information to…

A: To find out the mass of 1 mol of copper atom, check the avogadro number in 1 mol and use that to…

Q: QUESTION#1: TOPIC: Limiting reactants Gaseous ethane (CH3CH3) will react with gaseous oxygen (O2)…

A: Applying concept of limiting reagent.

Q: Calculate the number of cations and anions in 3.27 g of Ca3(PO4)2 Be sure each of your answer…

A: Given,mass of Ca3(PO4)2 = 3.27 gMolar mass of Ca3(PO4)2 = 310.18 g/mol

Q: Calculate the number of oxygen atoms in a 150.0 g sample of dinitrogen tetroxide (N₂O4). Be sure…

A: Since, Moles is the ratio of mass to the molar mass of that atom or molecules. Also, Number of atoms…

Q: How much does it weigh in grams

A:

Q: In the image below, you will see four laboratory spectra for known elements as well as the sample…

A: To determine the chemical composition of unknown, we would check the spectral lines and use the…

Q: A lead fishing weight contains 0.19 mol of lead atoms. What is its mass?

A:

Q: How many grams of gold (Au)are there in 88.93 moles of Au? Be sure your answer has the correct…

A: When the moles of the substance are given, it has to be calculated by knowing the molar mass of that…

Q: 9.43×1019 CH4CH4 molecules Express your answer using three significant figures.   Calculate the mass…

A: We know, 1mole consists of 6.022x1023 quantity. Molar mass of CH4=16.04g/mol We will convert number…

Q: While the average adult human body has at least 60 different elements present, carbon, oxygen, and…

A: Given, % of Potassium atoms presents out of all atoms = 0.03 % Total atoms in the body = 7 × 1027…

Q: Calculate the number of nitrogen atoms in a 50.0 g sample of dinitrogen tetroxide (N₂04). Be sure…

A: The number of molecules or atoms present in the one mole of the substance is equal to the Avogadro…

Q: If you have 52% silicon dioxide in a 12.09 g sample, what mass of silicon dioxide do you have?   Am…

A: Given, Mass % = 52%  Mass of sample = 12.09 g  Mass of SiO2 = ?

Q: How many grams of gold (Au)are there in 44.64 moles of Au? Be sure your answer has the correct…

A: Given information: Number of moles of gold (Au) = Use the molar mass of gold to calculate the mass…

Q: An unknown compound has the following chemical formula: PbOx where x stands for a whole number.…

A:

Q: ite the term used for a certain number of things. (If u don't know, look it up!) An example is shown…

A: 1) 1 dozen mice 2) 1.083 dozen 3) 1.67 dozen Kangaroo  4) 5.02×10^22 dozen water molecules.  5) 272…

Q: A sample of lead contains 8.88 x 1015 micrograms. How many atoms does this sample contain?

A:

Q: Calculate the mass % of "S" in CS2. Round-off your answer to two significant figures and enter the…

A: Atomic mass of S = 32.06 g/mol Atomic mass of C= 12.01 g/mol Molecular mass of CS2 = 12.01 +…

Q: Calculate the number of carbon atoms in 1.21 g of table sugar, C₁2H22 O11- Express your answer using…

A: The Avogadro number, denoted as "N_A", is a fundamental physical constant that represents the number…

Q: What is the mass percent of phosphorus in P5O2?

A:

Q: The following prompt will be used to answer the first six questions. An experiment was performed to…

A: Given :

Q: The reaction between copper and sulfur is represented by the chemical equation shown below. What is…

A: Mole=Mass/molar mass  Then mole-mole relationship We will get the answer

Q: In the past, laughing gas, N20, was given to patients before medical procedures because it slows…

A: In order to calculate number moles we need to calculate molar mass of NO2

Q: Three metal objects have the following masses: 7.119 mg 2.12 g 245.2 g How should you report the…

A: -> Addition and subtraction is possible when all numbers are in same unit.-> In addition and…

Q: Perform each of the following calculations.  You must show your work to receive credit and must must…

A: The number of moles of a substance it the given mass of the substance upon its molar mass. The…

Q: What is the mass of 1 carbon atom in grams?  What is the mass of one dozen carbon atoms in grams?…

A: The number of moles can be calculated as- n=mMm=n×M where n: number of moles of the atom m: the mass…

Q: -23 An oxygen atom has a mass of 2.66 × 10 g and a glass of water has a mass of 0.050 kg. Use this…

A: Given mass of an oxygen atom = 2.66 × 10–23 g  And, mas of the glass water = 0.050 kg

Q: How many atoms are there in each of the following substances? 1.88 g Bi Express your answer using…

A: Calculate number of atoms in each element given--

Q: If the 15 K ornament's mass is 38.1 g, how much gold does it have? 61.0 g 5.90 g 24.3 g 23.8 g 24.6…

A: Gold purity is typically measured in karats (or carats). The karat system is used to express the…

Q: A nutrition table lists apples with a potassium content of 4600 mg/pound. Assume an average apple is…

A: According to the given data, Mass of an average apple = 75.0 g Because, 454 g = 1 poundMass of an…

Q: An analytical chemist measures the amount of Elements E, and E, in four samples of an unknown…

A: Since the unknown substance, X contains elements E1 and E2, it can be either a compound of E1 and…

Q: Be sure to answer all parts. How many H atoms are in 84.9 g of isopropanol (rubbing alcohol), C3H,0?…

A: We have to calculate the number of H atoms in 84.9 g of isopropanol.

Q: Three containers A, B, and C are filled with 32 g of oxygen gas (O2), 32 g of chlorine gas (Cl2),…

A: 32 g of oxygen gas (O2) 32 g of chlorine gas (Cl2) &  32 g of ozone gas (O3) First, identify…

Q: In the following list, there are Blank 1 compounds: H₂O, PO, PO, CO, CO, CO₂, N₂O, Cs, CS2

A: •Here it is asking regarding compound:- •COMPOUND:- Compound is composed of two or more elements.…

Q: 13. While cleaning your attic, you found your old rock collection. If 83.58% of the rocks have a…

A:

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.