How many carbon atoms are present in 0.200 mol of C2H4? Please express the answer in scientific notation. If the answer is 25x 10, express the answer as 2.5E-5.

Q: How many moles of C4H₁0 (isobu according to the following balance transfer -187.5 KJ 2 C4H₁0(g) + 13…

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Q: 1. 2. 3. (J) Progress of Reaction Ep (J) Progress of Reaction Ep (J) Progress of Reaction Ep (J)…

A: The potential energy diagrams and equations given are,l Endothermic reactionsEndothermic reactions…

Q: 5) What is the pH of a 0.250 M HF solution? The Ka of HF is 3.5 X 104. (2.03) HF (aq) + H2O (1) A…

A: We will calculate pH

Q: A session.masteringchemistry.com Bla... Bb Mastering Chemistry Course Home- Bla... lome…

A: Soln A) First ice will melt at 0 C from solid state to liquid state then liquid water rise in the…

Q: The number of moles of H2O produced in reaction of 50 mL 1.0 M HCl and 50 mL 1.0 M NaOH:…

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

Q: a person consumed a total of 2,191.428 calories, 215.558g comes from carbs, 71.869g comes from…

A: To Calculate the percentage of calories that comes from carbs, protein, fat, saturated fats, and…

Q: 5.1.4 The label on packaged food indicates that it contains 215 Calper serving. Convert this amount…

A: Given data: The energy of packaged food = 215 Cal. To convert: Energy from Cal to joules (J).

Q: In a large building, oil is used in a steam boiler heating system.The combustion of 1.0 lb of oil…

A: Given : Mass of water = 150 kg Convert kg into grams as follows. 1 kg = 1000 gSo, 150 kg = 150 kg ×…

Q: 1.1. For the reaction below, what would cause an increase in NaOH? Maybe more than one correct…

A: Given equilibrium reaction:  Mg(OH)2(aq) + 2 Na(s) <=> 2 NaOH(aq) + Mg(s) ∆H = - 14 KJ/mol

Q: How many kJ are released when 2.00 mol of NaOH is formed in the reaction? 2Na2O2 (s) + 2H2O (1) -->…

A: We have given that  Mole of NaOH formed = 2mole  2Na2O2(s) + 2H2O(l) →  4NaOH(s) + O2(g) ∆H =…

Q: oil in kcal/g? (3.5, 3.6) 8 A 45-g piece of ice at 0.0 °C is added to a sample of water at 8.0 °C.…

A: Heat absorbed by ice for melting = heat released by water Heat absorbed by ice for melting  = mass…

Q: Q3 175 g of water was heated from 15 °C to 88 °C. How many kilojoules were absorbed by the water? Q4…

A: Given data,For Q3Mass of water=175g∆T=88-15=73oCFor Q4Mass of ice=25gFor Q5Mass of ice=15gFinal…

Q: Barium Hydroxide has a solubility of 4.68 g Ba(OH)2 in 100. g H2O at 25°C. Determine if each of the…

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Q: In the following equation for a chemical reaction, the notation (s), (I), or (g) indicates whether…

A: Reactants lie on left hand side of the arrow.  Products lie on the right hand side of the arrow. If…

Q: Question 18 of 31 How many atoms of mercury are required to produce 3.49 L of H2 gas (density =…

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Q: Select the graph that shows the correct relationship between kinetic energy and mass. Hint: If one…

A: Answer:When a particle moves then the energy associated with that movement is called the kinetic…

Q: 1. Reaction is endothermic 2. Reaction has an activation barrier of 100 kJ. The net enthalpy change…

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Q: g 4. Explain the terms "latent heat of fusion" and "latent heat U of vaporization."

A: Fusion is defined as the process of conversion of solid into liquid state.  Vaporization is defined…

Q: How much heat (in J) is required to raise the temperature of a block made of pure copper was a mass…

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Q: can someine show me how to do this using:  48.5 g of cold water starting at 14 C and 48.1g of hot…

A: Given,Mass of cold water = 48.5 gTempreature of cold water = 14 degree Celsius.Mass of hot water =…

Q: (1) The molar mass of a gas (g/mol) that has a density of 0.42 g/L at 37 °C and 0.2 atm is: (A) 44.0…

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Q: (8) How many kilocalories are lost when 580-g of water cools from 67°C to 22°C?

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Q: 3.68 Calculate the energy to heat two cubes (silver and copper), from 15 °C to 25 °C. Refer t each…

A: Volume of both silver and copper cube = 10.0 cm3 = 10.0 mL  Initial temperature , T1 = 15°C  Final…

Q: 18. While    preparing    for    this    test,    a    student    made    the    questionable…

A: The objective of this question is to calculate the amount of energy produced by the body's digestion…

Q: The active ingredient of Benadryl© Chesty Forte Cough Liquid is Guaiphenesin an expectorant drug…

A: It is based on  the concept of concentration Here  we are requires to find  the volume of  the cough…

Q: 7.102 Identify each of the following as an oxidation or a reduction: (7.6) a. Mg2*(aq) + 2 e → Mg(s)…

A: The addition of electrons or decreases in the oxidation state is known as a reduction reaction and…

Q: What is the kinetic energy of one mole of mercury  that has a speed of 200 m/s? (M(Hg) =…

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Q: 6. Calculate AH for the reaction 4NH3 (g) + 502 → 4NO (g) + 6H,0 from the following (g) (g), data.…

A: here we are required to find the enthalpy of the reaction  oxidation of ammonia using Hess's Law.

Q: action of hydrogen with oxygen produces water. 2H2(9) + O2 (9) → 2H2O(9) Part B How many moles of H2…

A: The question is based on Reaction Stoichiometry. We have to calculate how many moles of hydrogen…

Q: Balance the chemical equation below using the smallest possible whole number stoichiometric…

A: Above given reaction is a combustion reaction of hydrocarbon.  For balancing of combustion reaction…

Q: Gold has density of 19.3 g/cm3; how many grams of gold are in a 16.0 cm³ gold bar?

A: As asked by you, we will solve the question-#32 for you. The density is defined as the mass per unit…