14. Romeo preserves a dozen of milkfish for his birthday celebration. He used 200g of NaCl to fully preserve it in just 3 days. How many moles of NaCl do the 200g have? A. 1. 42 mole NaCl B. 2. 42 mole NaCl C. 3. 42 mole NaCl D. 4. 42 mole NaCl

Q: using the following chemical reaction Mg+O2=MgO, 50.0 g of magnesium and 50.0 L of oxygen gas will…

A: from any Balanced chemical equation,  we easily determine how many moles of reactents are used and…

Q: 1. Calculate A H for 2S (s) + 302 (g) → 6FE203 based on the reactions: 2H2S (g) + 302 (g)→2SO2(g) +…

A:

Q: U sing Hess's law, what is ΔH°rxn for the following reaction? WO3(s) + 3H2(g) → W(s) +…

A: Given,  2W(s) + 3O2(g) → 2WO3(s)  ΔH°rxn = –1685.8 kJ/mol   2H2(g) + O2(g) → 2H2O(g)  ΔH°rxn =…

Q: Consider a hypothetical chemical reaction: A+B -C+D (In this equation A, B, C and D stand for some…

A: The reaction taking place is given as, => A + B -----> C + D And the energy profile of the…

Q: Given the following equation: 2 K + Cl2 ---> 2 KCl How many moles of KCl are produced from 2.50…

A: From the given equation,  2 moles of KCl are produced from 2 moles of K. That is, 2 moles of K will…

Q: Determine AG° for 2 NO2(g) → N2O«(g) at 25°C. Substance AGʻ1 (kJ/mol) NO2 (g) 51.3 N204 (g) 97.8

A: ∆GReactant = 51.3 KJ/mol ∆GProduct = 97.8 KJ/mol  ∆G° = ?

Q: 29. Do H, and O, (AG is -57 kcal/mol) react spontaneously to make water? Why or why not? What…

A: It is given that the free energy is -57 kcal/mol.

Q: + Cl2 -> 2HCl   How many moles of HCl will be produced from 5 moles of H2?

A: To get mole of HCl we will use stoichiometry of the reaction.

Q: What is the AH°rxn for the reaction? CH4(g) + 202(g) = CO2(g) + 2H20(1) !! AH°F CH4(g)= -74.8…

A:

Q: Calculat the Molarity of Iodine per trial using the table

A: A question based on concentration terms that is to be accomplished.

Q: A. How many grams of K+ are present in 1.44 grams of potassium sulfite? ________-K+ B. How many…

A:

Q: H2O + CO2→H2CO3; A) Determine the moles of H2O needed to produce 3 moles of H2CO3. B) Determine the…

A:

Q: A helium balloon initially at room temperature is dunked into a bucket of liquid nitrogen (T = 77…

A: Given that : The helium balloon is initially at room temperature = 298 K It is then dunked to a…

Q: En 10,5 moles de sulfato de sodio, calcular: a) El número de moléculas. b) La masa del sulfato de…

A:

Q: How many moles of water can be produced from the reaction of 2.0 moles of hydrogen gas is reacted…

A: A mole is defined as the amount of substance containing the same number of discrete entities (atoms,…

Q: -g sample of an esubmit gas has Show Approach Show Tutor Steps 33.0 X g/mol

A:

Q: D escribe one way you can increase how quickly You could dissolve 0.5g Of carbon dioxide gas into…

A: Dissolution is a measure of how fast a solute dissolves in a solvent. There are three factors that…

Q: Calculate the number of moles for 280g of water, H2O? A. 15.6 mol B. 31.2 mol C. 8.65 mol D. 280…

A:

Q: Question 69. Nice Consider the following equation 2 Mg (s) +  O2 (g)  →  2MgO (s) The number of…

A:

Q: . If 15 grams iodine are combined with 15 grams rubidium to form rubidium bromide, what will be…

A: Mass of iodine = 15 gm  Mass of rubidium = 15 gm  Moles of iodine = mass  of iodine/molar mass of…

Q: 5. How many moles of iron would have to react to produce 3.5 moles of iron (III) oxide? 3.5 moles…

A: The balanced chemical reaction for the production of F2O3 is as follows: 4Fe(s)+3O2(g)→2F2O3(s)

Q: What does temperature measure? * O Heat of Molecules O °C Average Kinetic Energy of Molecules O…

A: Choose the correct option for temperature measurement ?

Q: Which has maximum number of molecules among the following ? (a) 44 g of CO2 (c) 8 g of H2 (b) 48 g…

A: Number of Moles = No. of molecules/NA  NA = 6.022×1023 = Avagadro's No. Number of moles=…

Q: 125.0 mL of a solution of iron (III) nitrate and 125.0 mL of a solution of ammonium dichromate get…

A: Reaction :  2 Fe(NO3)3 (aq) + 3 (NH4)2Cr2O7 (aq) ===> Fe2(Cr2O7)3 (s) + 6 NH4NO3 (aq)

Q: Using the accompanying tables, determine. at 25C: C3HB() + 502(g)- 3 CO2(g) + 4H2O(g) the value of…

A: Given: The reaction, C3H8(l)+5 O2(g)→3 CO2(g)+4 H2O(g) Temperature, T=25°C=298 K

Q: Calculate the number of moles of the given values 1g water

A: Number of moles of a substance can be calculated by dividing the mass by its molar mass.

Q: Refer to the given equation KI + K₂Cr₂O₇ + HCl → CrCl₃ + KCl + I₂ + H₂O

A:

Q: determine the molar mass of Ag₃N. Provide an answer to two decimal places.

A: In this question, the molar mass of Ag₃N has to be determined: Atomic mass: Silver (N)=107.8682 u…

Q: Calculate the number of SO2SO2 molecules in 5.33 molmol of SO2SO2.

A: Know values are: Molecular wt. of SO2 = 64 g/mol mass of SO2= 5.33 mol  The conversion factor is…

Q: Consider the following reaction. How many moles of oxygen are required to produce 2.33 moles of…

A: The given balanced reaction is first noted and observed.

Q: How many moles of O2 can be produced by the decomposition of 5.0 moles of H2O2? Given:…

A: The balanced reaction taking place is given as, => 2 H2O2 --------> O2 + 2 H2O

Q: 2NaOH + H₂SO4 → 2H₂O + Na2SO4 ΔΗ = -112 kJ 50.0 mL of 0.50 M H2SO4 is added to 60.0 mL of 0.80 M…

A:

Q: Use the following information to answer questions 31 and 32. equilibrium Salicylic acid is a plant…

A:

Q: 25lb bag of calcium chloride ice melt weighs 11.34kg . How many moles are in CaCl2?

A: 1- First converted the mass in kg to g unit :  We know that, 1kg = 1000g  Mass = ( 11.34kg ) × (…

Q: Use 2NaOH(aq)+H2SO4(aq)->Na2SO4(aq)+2H2)(l) to calculate   the moles Na2SO4 produced from 6.5 mol…

A:

Q: How many moles of oxygen gas are required to completely combust 11.3 g of methane gas (CH4).

A: Balanced chemical equation CH4 + 2 O2 ------> CO2 + 2 H2O

Q: 3. A ga When t of mole

A:

Q: Question 69   Nice Consider the following equation 2 Mg (s) +  O2 (g)  →  2MgO (s) The number of…

A: Answer option c) 2.0 mole of Oxygen gas needed to react with 4.0 mol of Mg.

Q: According to the following reaction: 6HCI (aq) - Fe>O3 (3) → 3H;O (1) + 2F€C13 (aq) What would you…

A: Stoichiometry coefficients gives the relation between the ratio of reactants reacted and products…

Q: Through several successive reactions, a chemist uses carbon, Cao, HCI and H20 to prodluce CoHuCl2…

A: Answer = 384 grams

Q: One mole of chromium sulfate  Cr2(SO4)3 contains ________ moles of oxygen Group of answer choices…

A: Mole: Mole is defined as the number of particles (like atoms, molecule, ions or radicals) which is…

Q: Calculate ΔG for the following equation: SO2(g)+2H2(g)→S(s)+2H2O(g) Given: ΔGf of SO2(g) = -300.4…

A:

Q: sample of gas contains 0.1100 m ollowing reaction takes place: CH4 (9) + H₂O(g) → 3H- Calculate the…

A:

Q: sandwiches. Assume that sausages only come in packs of five and buns in SEP Use a Model Write a…

A: To write a balanced equation , we would assume how many buns and sausage are required to make one…

Q: Change 2.43 * 10^15 moles of xenon Tetrafluoride in molecules of xenon Tetrafluoride

A: Mole =    It is a unit of measurement of the amount of substance, and is equal to 6.023 ×1023…

Q: Li(g) → Li (g) +e Li(s) → Li(g) 1/2 O2(g) → 0(g) O(g)+ 2 e→ O²(g) 2 Li"(g) + O*(g) → Li,O(s) c.…

A: According to the Born-Haber cycle, the heat of formation of Li2O (∆Hf) can be expressed as the sum…

Q: moles of ga

A:

Q: Absorbed from the intestines into the blood, nitrites (NO2-) interact with the hemoglobin of the…

A: The number of moles is a ratio of the mass of a substance to the molar mass of the substance.…

Q: 6. How many moles of chloride atoms are present in a 66.7 gram sample of AtCl3? 1.5 moles 2.0 moles…

A: Mass of AlCl3 = 66.7 g