1. Which of the following operators can you use in an EXCEL formula to help you calculate the 5th root of a number? @ $ 2. Which of these will calculate the number of atoms of hydrogen in 143 grams of methane? The molar mass of methane is in cell A3. O =(143/$A$3)*4*6.022e23 O=6.033e23/100*4*$A$3 O=143/$A$3*4*6.022e23 O =(143/$A$3)/4*6.022e23 O=143 6.022e23/4*$A$3 is a series of two or more adjacent cells in a column or row or rectangular group of cells. O SECTION O LIST O AREA ORANGE 3. A(n) O FORMULA 4. Cell C4 contains the formula B1 + B2. What formula will see if you copy the formula and paste it into cell J9? O = H5 + H6 O $16+ $17 O = G6 + G7 OB1 + B2 O = 16 + 17 5. When you copy a formula that contains an absolute reference to a new location, the reference O does not change O is updated automatically Obecomes bold O has a dotted outline in its cell

1. Which of the following operators can you use in an EXCEL formula to help you calculate the 5th root of a number? @ $ 2. Which of these will calculate the number of atoms of hydrogen in 143 grams of methane? The molar mass of methane is in cell A3. O =(143/$A$3)46.022e23 O=6.033e23/1004$A$3 O=143/$A$346.022e23 O =(143/$A$3)/46.022e23 O=143 6.022e23/4$A$3 is a series of two or more adjacent cells in a column or row or rectangular group of cells. O SECTION O LIST O AREA ORANGE 3. A(n) O FORMULA 4. Cell C4 contains the formula B1 + B2. What formula will see if you copy the formula and paste it into cell J9? O = H5 + H6 O $16+ $17 O = G6 + G7 OB1 + B2 O = 16 + 17 5. When you copy a formula that contains an absolute reference to a new location, the reference O does not change O is updated automatically Obecomes bold O has a dotted outline in its cell

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter3: Chemical Reactions

Section: Chapter Questions

Problem 156QRT: Ethanol, C2H5OH, is a gasoline additive that can be produced by fermentation of glucose....

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(a) Butane gas, C4H10, can burn completely in air [use O2(g) as the other reactant] to give carbon dioxide gas and water vapor. Write a balanced equation for this combustion reaction. (b) Write a balanced chemical equation for the complete combustion of C3H7BO3, a gasoline additive. The products of combustion are CO2(g), H2O(g), and B2O3(s).
The carbon dioxide exhaled in the breath of astronauts is often removed from the spacecraft by reaction with lithium hydroxide 2LiOH(s)+CO2(g)Li2CO3(s)+H2O(l) Estimate the grams of lithium hydroxide required per astronaut per day. Assume that each astronaut requires 2.50 103 kcal of energy per day. Further assume that this energy can be equated to the heat of combustion of a quantity of glucose, C6H12O6, to CO2(g) and H2O(l). From the amount of glucose required to give 2.50 103 kcal of heat, calculate the amount of CO2 produced and hence the amount of LiOH required. The H for glucose(s) is 1273 kJ/mol.
Balance the equation below using the smallest set of whole numbers. What is the coefficient of H2O? ___ PCl3(l) + ___ H2O(l) --> ___ H3PO3(aq)+ ___ HCl(aq) Select one: a. 2 b. 5 c. 3 d. 1 e. 6
A 15.00g solid mixture containing Ca(OH)2, among other non-basic components, was neutralized with 0.2000g of HCl. What was the mass percentage of Ca(OH)2 in the mixture? Round your answer to four significant figures.
A mixture of BaO and CaO weighing 2.2120g is transformed into mixed sulfates, BaSO4 and CaSO4 weighing 5.0230g. Calculate the number of grams CaO and BaO in the mixture. What weight of limestone should be taken so that 1/20 the number of mg of CaSO4 obtained will represent the percentage of CaO in the numeral?
Nitric acid is produced in the following steps: 4NH3(g) + 5O2(g) => 4NO(g) + 6H2O(l) 2NO(g) + O2(g) => 2NO2(g) 3NO2(g) + H2O(l) => 2HNO3(l) + NO What are the oxidizing and reducing agents for each step? Assuming 100% yield in each step, what mass (kg) of ammonia must be used to produce 8.0 x 102 kg HNO3?
Consider the following balanced equation. 3 Ag(s) + 4 HNO3(aq) → 3 AgNO3(aq) + NO(g) + 2 H2O(l) Calculate the number of grams of NO produced as a byproduct of the reaction of 118.17 grams of Ag with excess HNO3. Give your answer to the correct number of significant figures without unit. Molar mass of Ag: 107.87 g/mol Molar mass of HNO3: 63.01 g/mol Molar mass of AgNO3: 169.87 g/mol Molar mass of NO: 30.01 g/mol Molar mass of H2O: 18.02 g/mol
The first step in the reaction of Alka–Seltzer with stomach acid consists of one mole of sodium bicarbonate (NaHCO3)(NaHCO3) reacting with one mole of hydrochloric acid (HCl)(HCl) to produce one mole of carbonic acid (H2CO3),(H2CO3), and one mole of sodium chloride (NaCl).(NaCl). Using this chemical stoichiometry, determine the number of moles of carbonic acid that can be produced from 22 mol NaHCO3NaHCO3 and 88 mol HCl.HCl. moles of carbonic acid : mol Which of the two reactants limits the number of moles of H2CO3H2CO3 that can be made? HClHCl NaHCO3NaHCO3 How much excess reactant remains after the reaction? excess reactant : mol
The thermite reaction is performed using 8.6 g Fe 2O 3 and 1.8 g powdered Al metal. Which reactant is in excess and by how much? Fe2O3 + 2 Al → Al2O3 + 2 Fe
When the following skeletal equation is balanced under basic conditions, what are the coefficients of the species shown? I- + Cu(OH)2 I2 + CuWater appears in the balanced equation as a fill in the blank ____ (reactant, product, neither) with a coefficient of ___. (Enter 0 for neither.)Which species is the reducing agent? ___
2A. Molecular Weight of Ammonia Atomic weight: Nitrogen 14.0g/mol Hydrogen 1.00g/mol 2B. Nitrogen gas and Hydrogen gas were combined to form Ammonia. What is the coefficient of Ammonia? 2C. Nitrogen gas and Hydrogen gas were combined to form Ammonia. What is the coefficient of Hydrogen? 2D. Balance the equation P2O5 + H2O -> H3PO4 What is the coeffiecient of P2O5, H2O, H3PO4 respectively? 2E. Balance the equation B10H18 + O2 -> B2O3 + H2O What is the coeffiecient of B10H18, O2, B2O3, H2O respectively?
what mass of co2 can be produced by the complete combustion of 2.00kg of octane ,c8h18, a major component of gasoline, in 8.00kg of oxygen.

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