6. So, what is the difference between a subscript and a coefficient? 7. Which of the following statements are true? Highlight the correct answer. a. Subscripts tell us how many molecules exist. b. Subscripts tell us how many atoms exist in a molecule. c. Coefficients tell us how many molecules exist. d. Coefficients tell us how many atoms exist in a molecule.

Q: Determine the number of molecules in 23.6 grams of CH₄.

A: Given : Mass of CH4 = 23.6 g

Q: During the grade 10 camping trip. You have 10kg of wood to burn at the campfire and at the end of…

A: a) This describes the reaction of burning of wood ,which is a chemical reaction in which wood in the…

Q: Ali, with lodine, where the mole ratio between Atl to polyatomic At is 2:1. If the yield is 100%,…

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Q: Part C How many Rh atoms would have to be placed side by side to span a distance of 7.5 µm ? Express…

A: Atom is the smallest  unit of ordinary matter which forms a chemical  element.

Q: Consider titanium.It is a metal with the same strength as steel but is 45% lighter.It is also…

A: Given data: The mass of titanium metal = 1 nanogram. To find: The number of atoms of titanium.

Q: Compare 1 mole of H2, 1 mole of O2, and 1 mole of F2.(a) Which has the largest number of molecules?…

A: (a) Mole is SI unit which is used to measure the quantity of the substance. It is the quantity of a…

Q: An experiment requires that enough ethanol be used to yield 14.0 g of oxygen. How much ethanol must…

A: Theoretically, two moles of ethanol (C2H5OH) are required to produce one mole of oxygen gas from an…

Q: a) What is the mass of the original sample? b) What is the mass of NaCI in the sample? c) What is…

A: Mixture is material made up of two or more substances. separation of mixture is process in which the…

Q: Write the correct number of atoms for the molecule: CH3CH2OH NOTICE: Some of the elements repeat!!…

A: When two or more number of atoms are held together by the chemical bonds, this combination of atoms…

Q: 13. How many moles are represented by 3.01·10“ helium atoms? 5 moles 0.75 moles 0.50 moles 1 mole

A: Given: no of helium atoms = 3.01 x 1023 atoms We know that, Avogadro number, NA = 6.02 x 1023 atoms

Q: 3. Over the course of treatment, patients typically receive a total of 1.00 g of Remdesivir. Compute…

A:

Q: 1. How many moles of lead(IV) oxide, PbO2, are present in a sample that contains 7.65 moles of oxide…

A: Since you have posted multiple questions, we are entitled to answer only the first question.

Q: a. How many molecules of dinitrogen monoxide are present in 4.63 moles of this compound?…

A: a) Given : Moles of dinitrogen monoxide i.e N2O = 4.63 mol.

Q: Explain how you can use the mole number (6.02 x 1023) to count atoms.  Answer in complete sentences.…

A: According to Avogadro's law for mole concept, one mole of any substance contains number of atoms…

Q: What is the Mass pf Cl- found in the water sample (in grams)? %(w/w) Cl- in the water sample?…

A: Given data,Mass of titrant(AgNO3) used in trial 1=0.76gMass of AgNO3 used in trial 2=0.73gMass of…

Q: (a) Determine the mass of sodium metal that contains the same number of moles as 87.2 g of copper…

A: (a) Determine the mass of sodium metal that contains the same number of moles as 87.2 g of copper…

Q: Determine the number of CH;Clz molecules in 25.0 g CH;Clz. a) 0.294 molecules c) 1.28 x 1027…

A: Number of moles of CH2Cl2  is equal to the mass of CH2Cl2 divided by its molar mass.

Q: Calculate how many minutes it would take you to place 4.9 moles of carbon atoms on a paper if you…

A: Given : Moles of carbon atoms= 4.9 moles 0.0015 moles in 6 minutes are taken on a paper.  To find:…

Q: . How many MOLECULES of water are present in 9.27 grams of this compound?

A:

Q: a) How many moles of methanol are present in the sample? b) Calculate the number of methanol…

A: Since you asked multiple questions, so as per Q&A guidelines of portal i solved first three part…

Q: laterials engineers often create new alloys in an effort to improve the properties of an existing…

A: Materials engineers often create new alloys in an effort to improve the properties of an existing…

Q: Given these reactions, where X represents a generic metal or metalloid 1)…

A: Given equations are : H2 (g) + ½ O2 (g) ⟶ H2O (g)        ΔH1 = −241.8 kJ ………(1) X (s) + 2 Cl2 (g) ⟶…

Q: 3. A Chemistry 11 student tries to explain that based on the ratio of the reactants in the reaction…

A: Given reaction is Ca(s) + F2(g) → CaF2(s) To explain that the statement of student is wrong.

Q: A compound contains 0.01293 moles of V and 0.03325 moles of Cl.  Calculate the ratio of moles of Cl…

A: Record the given data, The number of moles of compound V = 0.01293 moles The number of moles of…

Q: 5. Determine the number of moles of the compound and determine the number of moles of each type of…

A: Applying concept of mole calculation.

Q: Which statement BEST describes why we use moles when measuring quantities of atoms and molecules? O…

A: The mole is the unit of measurement for amount of substance in the International System of Units. It…

Q: 3. The atoms in these sugar molecules come from cO, and H,0, as shown in the following chemical…

A: 6CO2 + 6H2O --------> 6O2 + C6H12O6

Q: Without using a calculator, which has the greater mass: One mole of carbon atoms or one mole of…

A:

Q: Calculate the number of moles in a sample of chromium containing 5.00 * 1020 atoms and the mass of…

A:

Q: Part C How many moles are in 20.0 g of MgCl2 ? Express your answer to three significant figures.…

A: Mole concept:  A mole  is the quantity of a substance that contains atoms, molecules, ions,…

Q: Explain what the purpose of a coefficient is in a chemical formula

A: We usually balanced a Chemical Reaction equation to satisfy the law of conservation of mass.…

Q: The mole is a really helpful way to count really small things. Are there other methods we use to…

A: Answer is explained below.

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Q: The mass ratio of chlorine to the mass of copper is equal to 5.5. Another sample of copper chloride…

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Q: Calculate the number of atoms of each element in C12H22O11 and  Calculate the moles of each…

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Q: The number of particles in 1 mole is called ? b) The value of the mole is equal to the number of…

A: No of particles = mole × avagadro number.   Mass = molar mass × mole.

Q: Calculate the number of hydrogen atoms in a  110.0g  sample of ammonia

A: Mass of ammonia = 110.0 g  Number of hydrogen atoms = ?

Q: 47.00 g sample of MgCO3.XH2O is heated to move away the water. After that, the total mass was…

A: It is given that 47 g of sample is heated and the mass of the sample left is 22.74 g,

Q: Can the mass of one mole of sample A be the same as the mass of one mole of sample B? Explain your…

A: 1 mole of any substance contains 6.023 × 1023 molecules, atoms or ions.

Q: 1. What does the mole measure? a. mass of a substance b. volume of a substance c. density of a…

A:

Q: 4. One mole is equivalent to a. 3.75 g Hydrogen c. 16 g Oxygen b. 14 g Carbon d. 190 g Gold 5. What…

A: Answer  4 ) one mole is equivalent to        c) 16g  oxygen  1 mol is  equal to 6.022×1023 (…

Q: Use the density table to calculate the volume of exactly one mole of water in mL at 35 °C. Use the…

A: Using Density table ,  Density of water at 35°C=0.994 g/ml

Q: Answer the following questions using the data in the table below.  See the calculations section…

A:

Q: Use the References to access important values if needed for this question. a. How many ATOMS of…

A: A mole is defined as the number of particles or constituents present in exactly 12g of carbon-12…

Q: Seven moles of sulfur dioxide, SO2, would consist of how many molecules?

A:

Q: 1) What is the formula and name of the compound formed between Na and O? Select one: a) Na2O;…

A:

Q: How many moles of hydrogen are in 1.0 mole of quinine?

A:

Q: H2S; H: 2 (1.01) S: 32.06 34.089/mol 02:2(16) = 329/mol H20: H: 2(1,01) Section 11.3 1) Consider the…

A:

Q: Compare and contrast the following terms: “a mole” (as it is used in chemistry) and “a dozen” Give…

A: Mole is the quantity equal to 6.022×1023 which means 1 mole of something  means 6.022×1023 particles…