The difference between ΔH and ΔE is _________. that one refers to the system and one refers to the surroundings the change in temperature of the system the amount of pressure-volume work done by the system the change in mass of the system

Q: What is the molecular weight of a gas if 2.50 g of the substance occupies 500 mL at 127 ˚C and 912 t...

A: Answer: This question is based on the ideal gas equation which is shown below: PV=nRThere:P=pressure...

Q: Which molecule has the greatest number of unique protons? How many unique protons does each molecule...

A: Unique protons means the different types of chemically equivalent protons present in molecule. These...

Q: Provide methods for synthesizing the following compounds. In each case, ethylmagnesium bromide must ...

A: Detail mechanism for every conversion is shown below

Q: Use the collision theory of reaction rates to explain the relationship between the temperature and t...

A: Collision theory of reaction rate: According to the collision theory of reaction rate, the randomly ...

Q: Be sure to answer all parts. Heating copper(II) oxide at 400°C does not produce any appreciable amou...

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Q: Enter your answer in the provided box. 121 The atomic masses of the two stable isotopes of antimony,...

A: Given-> Abundance of 1=57.30% Atomic mass of 1 = 120.9038 amu Abundance of 2 = 42.70 % Atomic mas...

Q: Calculate the quantity of heat required to raise the temperature of 60.0 g of water from 22.1 °C to ...

A: Specific heat capacity is amount of heat capacity is required to raise temprature of one gram substa...

Q: Consider the radical halogenation of pentane. What are the possible mono-halogenated products? Label...

A: Free radical proceeds reaction with saturated organic molecules by abstracting an atom from carbon. ...

Q: Predict the acid strengths of the following compounds: H,0, H;S, and H,Se. neither strongest nor wea...

A: Answer: This question is based on periodic properties of the elements. Oxygen, sulfur and selenium a...

Q: A sample of gas occupies 36.3 ml at a pressure of 783.3 torr. What is the new volume if the pressure...

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Q: Which of the following processes is exothermic, given the following: N2(g) + 2 02(g) N204() AH°= 9.6...

A: From the given del H value we can calculate the del H value of target reaction. Enthalpy change of r...

Q: * 5 Sodium reacts with chlorine to form sodium chloride. Which row describes the bonding in the thre...

A: Sodium reacts with Cl2 to form NaCl.

Q: 3. Assign the absolute configuration to the stereocenters (marked A through G) below. Note: "extract...

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Q: Rank the following molecules in order of increasing acidity (least acidic to most acidic). Br HO. HO...

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Q: Complete the reaction scheme below with the missing structure and any other necessary reagents. You ...

A: The answer is as follows:  

Q: Strontium-90 is a particularly dangerous product of nuclear fission because it is chemically similar...

A: Since you have posted more than one question, we will solve only first question for you. If you want...

Q: What to do: Read and analyze the given situation below. Write your answer on a separate sheet of pap...

A: (1) hamburger patties= 14      bread slices : hamburger patties = 2:1 = 28 : 14                     ...

Q: Exactly 0.32540 g of pure Na2CO3 was dissolved in 100.0 mL of 0.0853 M HCl, determine the a) mass of...

A: Weight of Na2CO3 = 0.32540 gm Volume of HCl = 100.0 ml = 0.1 L ( 1 L = 1000ml) Molarity of HCl= 0.08...

Q: conditichs Reachion takes place unoleracidic Led Pronde an amow mechanism N HL O meehanum Kor reaenu...

A: This is known as Mannich reaction.It undergoes via the formation of Mannich base.

Q: Use standard enthalpies of formation to calculate AH°rxn for the following chemical reaction: 3NO2 (...

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Q: Ammonia (NH,) chemically reacts with oxygen gas (0,) to produce nitric oxide (NO) and water (H,0). W...

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Q: Be sure to amswer all parts. The reaction between alumiaam and iron(lII) axide can generate temperat...

A: Using stoichiometric ratio we can determine how many moles of reactant reacts and how many moles of ...

Q: SYNTHESIS: Provide a synthesis of the final product (right) from the given starting material (left) ...

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Q: what pressure does the mean free path of argon at 25°C become comparable to the diameters of the ato...

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Q: Calculate the enthalpy change for the following reaction. 4 CHCl3 (l) + 5 O2 (g) ➞ 4 CO2 (g) + 2 H2...

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Q: In an atom, what is the maximum number of electrons that can have a principal quantum number n = 6?

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Q: 76.4 mL of 0.25 M lithium hydroxide are needed to completely neutralize 250.0 mL of a solution of su...

A: Using stoichiometric ratio we can determine how many moles of H2SO4 neutralises. From that we can ca...

Q: Which reaction(s) afford pentylamine in high yield and minimal side products 1. NaN3 A Br 2. LİAIH4 ...

A: We have to tell among the given reaction which are pentylamine is high yield.  

Q: If 2.00x102 mL of 6.0 M nitric acid is diluted with water to a volume of 3.00*102 mL, what is the co...

A:   Dilution : the process of addition of solvent to a solution is called dilution In this process no....

Q: 1. Chemical potential energy is found in the. between atoms and is transformed into energy during ch...

A: Specific heat of Fe = 0.451 J/g degC Specific heat of Pb = 0.129 J/g degC

Q: A solution is made by dissolving 36.7 g of HCl in 885 mL of water. Calculate the pH of the solution.

A: Given data of the following, mass of HCl = 36.7 g molar mass of HCl =36.458 g mol-1 Volume=885 ml = ...

Q: For the fake elements described below, determine the charge of the most stable ion.   A) ____ Elem...

A: Ionisation energy is minimum amount of energy needed to remove an electron from the outermost shell ...

Q: according to the equation below. 6CO.(g) + 6H,0(1) C,H,O,G) + 60,(8) Substance CO.lg) H,O() CH,Odls)...

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Q: Why aree ther differences in the frequencis Ne the Mo'theory to justiby acetome (1731 cm-!) answer. ...

A: The streching frequency of carbon depends upon  υ = (1/2π)(κ/μ)1/2  υ = streching frequency π = pi =...

Q: How much heat is required to raise the temperature of 1.5 x 103 g of water from 45'F to 130.F? The s...

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Q: O4 olt NH H2C C-OH J H20, Nall base Acid

A: There are several functional groups in the given molecule some of which are reactive towards acid an...

Q: Calculate the standerd enthalpy chenge for the reaction 2CgHa- 1702g - 16COg- Hzon Given 2CH1s)+250,...

A: The enthalpy of a reaction calculated in a single step will be equal to the enthalpy of the reaction...

Q: - Encircle the functional grou ps in the following compounds, label each with Hhe letters in dicated...

A: We will encircle functional group one by one and then classify them.

Q: Cation Symbol & Anion Symbol & charge Compound Formula Name charge iron(III) chloride iron(II) sulfi...

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Q: Enter your answer in the provided box. The reaction between nitric oxide (NO) and oxygen to form nit...

A: First find the moles of NO2 and than from this find moles of O2 and finally the mass of O2. 

Q: CuLi 2 2) Br 3) H30*

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Q: In a liter of 0.2F solution of propionic acid, HC3H$O2 it has ionization constant of 1.34 x 10-3, ca...

A: The formality solution is the number of formula mass of any solute dissolved in 1 litre of solution....

Q: Bond angles Dipole moment Formula Molecular structure IF3 PF5 KrF4 >

A: Since you have posted question with multiple sub-parts, as per guidelines we will solve only first t...

Q: Which of the following additions will result in a decrease in the pH of the solution? O Adding ammon...

A: 1) adding ammonium nitrate to an ammonia solution.

Q: deltaG tells us if a reaction can occur, but not if a reaction will actually occur. What measurement...

A: The Gibbs free energy tells about the energy which can be used for doing useful work. This parameter...

Q: Predict the molecular structure, bond angles, and polarity (dipole moment) for each of the following...

A: There are two types of structures: One is molecular geometry which includes lone pairs and bond pair...

Q: Determine the empirical s K: 24.74%; Mn: 34.76%; O: 40.50%

A: Empirical formula is simplest formula

Q: 2NaOH + H2SO4 ® Na2SO4 + 2H2O If you begin with 250. g of each reactant, how many grams of H2O will ...

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Q: Formula Lewis structure AXE Electron group Molecular Bond Polarity Notation geometry geometry angle ...

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Q: Be sure to anmer all parts. Industrially, vanadi metal which ised stel alloys, can be attained by ra...

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