Determine the amount of heat (in kJ) given off when 1.26 X 10ʻ g of NO2 are produced according to the equation: 2NO(g) + O2(g) 2NO2(g) AH =-114.6 kJ/mol ->

Q: For the following reaction, 3.57 grams of iodine are mixed with excess hydrogen gas. The reaction…

A: Reaction,   H2 (g) + I2 (s) → 2HI (g)  Given, Weight of Iodine = 3.57 g  Weight of HI = 3.28 g  1…

Q: synthesis could take more than one step. OH OCH3 1. OH 2. Predicting the expected major product.…

A: The question is based on the concept of organic reaction   We have to convert the reactant into…

Q: The normal body temperature of a goat is 39.9 °C, and that of an Australian spiny anteater is 22.2…

A: The relationship between temperature in degree Celsius and Fahrenheit is given by  (T in °F − 32) ×…

Q: COAST Tutorial Problem Heptane and water do not mix, and heptane has a lower density (0.684 g/mL)…

A: ∵ density=massvolume⇒ volume=massdensity

Q: 1.98 Aspirin has a density of 1.40 g/cm³. What is the volume in cubic centimeters of an aspirin…

A: We know that  Density: It is defined as mass per unit volume

Q: SECTION 4: Application 4. Several drops of sodium sulfate solution are added to a sample of water to…

A: Several drops of sodium sulfate solution are added to a sample of water to test for contaminants.…

Q: Can you please answer this question and show the steps

A: a.The number of moles of nitrogen gas produced is calculated as,

Q: Thermochemistry 1 Name C liquid (J/ ge°C) C gas (J/ go°C) ΔΗ us AH vap C solid Tbp (°C) (J/ g•°C)…

A:

Q: Can you please answer the question and show the steps

A: A balanced chemical equation represents the molecular equation in which all the substances are…

Q: u please answer

A: Matter is something that occupies space and has some mass.  Elements and compounds tells about the…

Q: Problem 2. Multiple Lewis drawings are shown for four molecules (a) – d)). Use the 4 resonance…

A: Resonance structures are alternate Lewis structures for a molecule or ion that represent its…

Q: Can you please answer this question and show the steps

A: Protons carry positive charges, electrons carry negative charges and neutrons have neutral particle.…

Q: 3. Classify each of the following as (i) Element, (ii) Compound or (iii) Mixture. Rain Water Ocean…

A: The following compounds as element, compound or mixture has to be classified

Q: 5. What are (i) mass, (ii) charge and (iii) location in the atom of each of the following sub-atomic…

A: Given sub-atomic particles, (a) Electron (b) Neutron (c) Proton

Q: 2 CH3CH2NH2

A: An organic chemistry based problem, which is to be accomplished.

Q: Clubd Question 1: Reaction: CHa(g)+2H;0 (g) = CO:(g)+4H: (g) Calculate AHs98, AS 295, AG 295 of this…

A: The given reaction is, CH4 (g) + 2H2O (g)  →CO2 + 4H2 (g) To find: ∆Ho298? ∆Go298? ∆So298?

Q: At a given temperature, 0.300 mol NO, 0.200 mol Cl2, and 0.500 mol CINO were placed in a 25.0 L…

A: Given, Initially, the no. of moles of NO = 0.300 mol Initially, the no. of moles of Cl2 = 0.200 mol…

Q: 11. Predict the major products of each reaction. Identify the chiral products, if any. a.…

A: As per the rules only first question can be answered.

Q: How many moles of ions are in 27.5 g of MgCl2?

A: As requested, please find below the solution of first question  3.50 ) Since moles of compound =…

Q: 7. Determine the rate law consistent with the mechanism shown above where step 3 is the…

A:

Q: 1. a) What are the rms-speeds V of the Oxygen and rms Nitrogen molecules at 20 degrees Celsius? M.=…

A: Answer for (1): Vrms refers to the rms value of the velocity. rms value of velocity refers to the…

Q: The density of silver is 10.5 g/cm³. What is the mass (in kilograms) of a cube of silver that…

A: Since the density of any solid is defined as the mass of the solid present per unit of volume Hence…

Q: Can someone show me the steps for solving this problem.

A: Given information:Concentration of A is = 0.30 MTime = 23 sRate constant = 0.039 M-1.s-1

Q: Gaseous hydrogen has a density of 0.0899 g/L at 0 °C, and gaseous chlorine has a density of 3.214…

A: According to ideal gas law, PV = nRT where P = pressure V = volume n = moles R = gas constant T =…

Q: What is the density of lithium metal in g/cm³ if a cylindri- cal wire with a diameter of 2.40 mm and…

A: Determine the radius:

Q: SECTION 3: Communication 3. Nitrogen dioxide is released in car exhaust. When this chemical mixes…

A: Nitrogen dioxide is released in car exhaust.

Q: The time of outflow of a gas through a small opening is 43.3 mins, while that of an equal mass of…

A:

Q: Element "X" reacts with element “Y" to form an ionic compound containing X** and Y²- ions. Write a…

A: The element X and Y are reacting to form ionic compound with ions X4+ and Y2-  Assuming the compound…

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A:

Q: In an acid-base neutralization reaction, 28.74 mL of 0.500 M potassium hydroxide reacts with 50.00…

A: Given: The volume of potassium hydroxide used = 28.74 mL The concentration of the potassium…

Q: 1.100 What is the density of lead in g/cm³ if a rectangular bar measuring 0.50 cm in height, 1.55 cm…

A: The density of lead in g/cm3 is to be calculated.

Q: 2. Rank the following anions (conjugate bases) from most to least stable. F. d. a. b. 3. Explain…

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Q: A solution of Na ASO4 is added dropwise to a solution that is 0.0311 M in Cu²+ and 0.000293 M in…

A: Answer:A sparingly soluble compound starts precipitating when its solubility product becomes equal…

Q: 6. Briefly explain (i) Thompson Experiment OR (ii) Rutherford Experiment emphasizing the…

A: After the discovery of cathode ray, various experiment on cathode ray was conducted to know the…

Q: QUESTIONS FOR UNIT CELL GEOMETRY EXP. NAME 1. Calculating the packing fraction (the percent space…

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Q: 1.97 A vessel contains 4.67 L of bromine, whose density is 3.10 g/cm³. What is the mass of the…

A: Density can be calculated using the equation given below:

Q: 4. How many grams of “lead are contained in 6.0 X 10' g of blood if the lead content of that sample…

A: Give, the content of lead in blood sample = 0.62 ppm We can write it as , the content of lead in…