(6) A group of students collected 125 empty aluminum cans to take to therecycling center. If 21 cans make 1.0 lb aluminum, how many liters ofaluminum (D=2.70 g/cm3) are obtained from the cans? (Example worked inclass)

Q: Carbon 14 dating The technique of carbon 14 (4C) dating is used to determine the age of…

A: For determination of age the formula used in carbon dating of fossil is:      T=-8310 ln(x)Where:…

Q: mass of fuel

A: Mass = Volume x density 1 g/ml = 1 kg/L Number of moles = mass/molar mass

Q: 13. (d) Pharmacists sell tablets containing magnesium hydroxide, Mg(OH),, to combat indigestion. A…

A: Given that: Volume of HCl = 32.00 cm3 Molarity of HCl = 0.500 mol dm–3 HCl Mass of tablet = 500mg…

Q: For the imaginary reaction Z3 + A2=Z2A+ ZA, K = 6.8 x 10*3. What is the K for ZA + Z2AA2 + Z3?…

A:

Q: If you want to balance the following equation: XH3PO4 (aq) + yCa (OH)2 (aq) + ? w Ca3 (PO4)2 (s) + z…

A:

Q: 7) How many kilograms is a 27 oz. bag of M&M's? 8) How many kilometers can a car travel on 19…

A: Since you have posted multiple questions, we are entitled to answer the first 3 only.

Q: Hydrogen and oxygen are reacted and the water formed is collected at 25°C, where it has a density…

A: The reaction taking place can be written as  => H2 (g) + O2 (g) ---------> H2O (l)  Balancing…

Q: NO 0 0 13. Which of the above diagrams illustrates a compound? O A OB

A:

Q: 1- Alum used in cooking is potassium aluminum sulfate hydrate, KAl(SO4)2. XH2O. To find the value of…

A:

Q: I was stuck on problems 4 and 5, I was wondering how to find the moles of oxygen needed to react…

A: The balanced equation for the combustion of C7H8 is as follows:

Q: Wine goes bad soon after opening because the ethanol (CH,CH, OH) in it reacts with oxygen gas (0,)…

A: We have to calculate the mass of water.

Q: Calculate the mass of the compound  show work:   NaNO3

A: Mass of Na = 23 g/mol  Mass of N= 14 g/mol  Mass of O = 16g/mol

Q: C6H5Cl + 2 NH3 --> C6H5NH2 + NH4Cl Assume that 20.0 g of chlorobenzene at90% purity is mixed with…

A: Amount of pure chlorobenzene present in 100 g of sample = 90 g Amount of pure chlorobenzene present…

Q: In the following reaction, C5H12(1) + 8 02 (g) – 6 H20 (g) + 5 CO2 (g), how many moles of water…

A: C5H12 (l) + 8 O2 (g) -------> 6 H2O (g) + 5 CO2 (g) According to Stoichiometry of reaction; 8…

Q: 02(g)→2N2 (9) + 6H20(9), AH = py change to burn 24.6 g of ammonia?

A: Given, Mass of NH3 = 24.6 g  Molar mass of NH3 = 17 g/mol Moles = mass/molar mass   = 24.6/17 = 1.45…

Q: 1. Formula of anhydrous salt ........ ........ 2. Mass of empty dry crucible and lid 19.219.8 3.…

A: 6) Mass of hydrate = Mass of crucible,lid and hydrate before heating(3) - Mass of empty dry crucible…

Q: * Identity of Dehydrated salt (for afterwards) Mass of empty dish 70.874g Mass of dish + hydrated…

A: The number of moles of dehydrated salt is 0.002384 mol. nMnCl2=mMnCl2MMMnCl2=0.3 g125.844…

Q: : Hydrogen and oxygen are reacted and the water formed is collected at 25°C, where it has a density…

A: Given :-  Mass of H2 = 36.8 g  Mass of O2 = 168 g  Density of water = 0.997 g/mL  To calculate :-…

Q: Use the ΔHof data in Table A4.3 to calculate the value of ΔHorxn for the following chemical…

A: The given reaction is:

Q: If a liter of diesel emits 26.4 g of carbon dioxide in one kilometer, how much carbon dioxide is…

A:

Q: How many moles of O2 are needed to burn 1.50 molmol of C8H18?         Express the amount in moles to…

A:

Q: (4€) Carbon reacts with Oxygen to produce Carbon monoxide. If 6.2 grams of Carbon and 2-8grams of…

A: 4 . E) When Carbon reacts with Oxygen , it produces carbon monoxide.          The balanced chemical…

Q: 6.35 x10 to the 22nd power molecules of H2SO4 then how many grams of H

A: Number of mole and number of particles are related to each other as follows:Where, NA is avogadro’s…

Q: A biogas-plant converts biomass into methane. From a certain substrate, 52% (w/w) methane can be…

A: Dear student as you have asked multiple part questions we will solve only first three parts only.…

Q: do you think dimensional analysis calculate the number of oxygen atoms are contained in 5.33 g of…

A:

Q: The balanced equation for the reaction of ammonia with oxygen is given by:  4NH3 + 7O2  →  4NO2 +…

A:

Q: The fertilizer ammonium sulfate, (NH,) SO,, is prepared by the reaction between ammonia (NH,) and…

A: The given reaction is as follows: 2NH3(g) + H2SO4(aq) → (NH4)2SO4(aq) The mass of (NH4)2SO4 produced…

Q: 1. For, 2 Al (s) + 3 CuCl, (aq) →2 AICI; (aq) + 3 Cu (s) (a) Find the moles of Cu formed by using…

A: The given reaction is- 2Al (s) + 3CuCl2 (aq)→2AlCl3 (aq) + 3Cu (s) As per the equation, 2 moles of…

Q: Gypsum is the hydrate of calcium sulfate, CaSO4 · 2 H2O.  It is the primary material in sheet rock,…

A: Molar mass of CaSO4.2H2O = Atomic mass of Ca + Atomic mass of S + 4 × Atomic mass of Oxygen + 2 [ 2…

Q: 4. Choose the nonrenewable resourced that best match this description: low-carbon energy source. A.…

A: 4) The energy that best matches the description : low carbon energy source is nuclear energy.…

Q: each person owe

A:

Q: A cylindrical bar was found at the bottom of a storage tank of unknown composition. The material had…

A: We have to calculate the density of material.

Q: 2. As of today Gold is trading at $1841.94 per ounce. Recall that 1 ounce 28g. If we have 28.56g of…

A:

Q: which gasoline is less is less expensive: gas that cost $2.41 per gallon, or gas that sells $0.78…

A:

Q: Hydrogen and oxygen are reacted and the water formed is collected at 25 C , where it has a density…

A: The balanced chemical reaction, 2H2 (g) + O2 (g)  →  2H2O (l) Given,  Mass of H2 taken = 36.8 g  And…

Q: 4. The school districts throughout ND are paid foundation aid by the State for you to go to school.…

A: The amount paid per year = $ 10,036 / year.

Q: 2) Given the following equation: 8H, + S̟ ---> 8H,S, write the following molar ratios: a) H, / H,S=…

A: Given :-  8 H2 + S8 -----> 8 H2S  To find out :-  Mole ratio :-  a) H2/H2S  b) H2/S8  c) H2S/S8

Q: In the following balanced chemical reaction, what is the value of b (use only real number)? aCsH;OH…

A: The chemical reaction follows the law of conservation of mass. According to the law of conservation…

Q: 5) What mass of methane does a single cow produce? Calculate the high and the low end, please. 179 g…

A: Stoichiometry refers to relationship between the amounts of reactants and products as per balanced…

Q: In the equation SiO2 + 2C → Si + 2CO , if 24.0 grams of silicon dioxide is used, how many grams of…

A: This question is based on mole concept. 1mole=6.022*1023particle= Molar mass=22.4L 22.4gm of Carbon…

Q: Gypsum is the hydrate of calcium sulfate, CaSO4 · 2 H2O.  It is the primary material in sheet rock,…

A: Weight of Gypsum( CaSO 4 · 2 H 2O)  = 21.05 g

Q: o prepare a solution of NaCI, you weigh out 2.634 (±o.002) g and dissolve it in a rolumetric flask…

A: We have to find out the , Molarity of the solution, along with its uncertainty, with an appropriate…

Q: rams of NO are produced?

A:

Q: In compounding a prescription, a pharmacist weighed 0.05 g of a substance on a balance insensitive…

A: We have, Weight of the substance measured = 0.050 g Smallest quantity that can be measured = 0.004 g…

Q: fter performing precipitation gravimetry, Asta placed the weighing form inside the crucible, heated…

A: To determine the value of mass that should be used for the calculations after performing…

Q: The great French chemist Antoine Lavoisier discovered the Law of Conservation of Mass in part by…

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