Most molecules/compounds that have a mass similar to water are gaseous at room temperature, what makes water able to stay in liquid state?

Q: The bond angles in the central atom of CO,2- are expected to be 120° 90° 5° a little less than 120°

A: Bond Angle : Bond angle can be defined as the angle between the two adjacent bond .  

Q: Calculate ΔS for the system when 2 mol of gas with Cp of 7/2R is changed from 25 C and 1 atm to 125 ...

A:

Q: CH3 CH3 CH3 H3C-Ċ-CI CH3 ČH3 + HC1 AICI3

A:

Q: For the reaction C3H8 + 502 → 3CO2 + 4H2O at a particular time, A[CO2]/At = 2.5 x 10-2 M/s. What is ...

A:

Q: On analysis, an equilibrium mixture for the reaction 2H2S(g) 2Hg) +Sg) was found to contain 1.0 mol ...

A: Given Data :  1. Mol of H2S = 1.0 mol  2. Mol of H2 = 4.0 mol.  3. Volume = 4.0 L  4. Kc = 3.4 . Che...

Q: How many grams of MnO2 (MW = 86.94 g/mol) are needed to react with 25.00 mL of 0.1234 M H2SO4 (MW = ...

A:

Q: For the reaction below which of the statements is correct? A + 2B → 3C The rate law cannot be determ...

A:

Q: For the following reaction, which of the changes listed below would cause more reactants to form whe...

A: A multiple choice question based on equilibrium concept that is to be accomplished.

Q: H2C. H2C. H2C. H2C.

A: Resonating structures :- The representation of a molecule by two or more hybrid structures and that ...

Q: Bromobutane (C4H9Br) reacts with ethyllithium ( C2H5LI) as follows: CaH Br +C2H5LI → CH9Lİ + C2H;Br ...

A: Coefficients are the integers used to write a balanced reaction.  All reactions are needed to be bal...

Q: In 2021, 7.5 x 1014 mol = 750,000,000,000,000 mol of CO2 into the atmosphere worldwide. At standard ...

A: Given: Pressure = 1 atm. Temperature = 273.15 K And moles of CO2 = 7.5 × 1014 mol.  

Q: The molecular diameter of helium, He, is 0.225 nm. At 0 °C and kPa, calculate the (iv) mean free pat...

A:

Q: The rate of a reaction was experimentally determined to double if the concentration of reactant A is...

A:

Q: uestion 1 Which of the following is NOT use as material of holding samples in IR spectrometry? O qua...

A: Only salts are used to hold samples in IR spectroscopy because they are transparent to IR and donot ...

Q: How many moles of NaOH are present in 25.0 mL of a 0.1000 M NaOH solution? O 2.50 mol O 0.100 mol O ...

A:

Q: altered propranolol gets trapped.

A: In this question we have to explain why the altered propranolol gets trapped when it's reacting with...

Q: Arrange the following in order of increasing boiling point? Liquid A (vapor pressure at 25°C) = 23.8...

A: The intensity of the intermolecular forces determines the vapor pressure and boiling point. The stro...

Q: 1. An aqueous solution with 15 g sulfuric acid is dissolved to make 0.2F solution. The specific grav...

A:

Q: solute: CO2 solvent: H2O solute: SO2 solvent: H2O strongest solute-solute IMF strongest solvent-solv...

A: The table given is,  

Q: The PHIVOLCS recently reported that Taal volcano emitted 15,500 tons of Sulfur Dioxide (SO2). How ma...

A: Here we have to find total number of sulfur atoms present in 15500 tons of SO2 gas . Here we have to...

Q: Which one of the following is not equivalent to one mol of the substance? 65.39 g Zn O 14.01 g N 8.0...

A: We are to check which of given options is not equivalent to 1 mole of it. And secondly we need to fi...

Q: 5.00 mL of 5.00 x 103 M Fe(NO3)3 (5.00 times 10 to the minus 3rd power M Fe (NO3)3) is added to 7.00...

A: Given: Concentration of Fe(NO3)3 taken = 5.00 × 10-3 M Volume of Fe(NO3)3 solution taken = 5.00 mL  ...

Q: Which point represents solid-liquid-gas equilibria? 24.. 1 atm Phase I. Phasc ... P. ... ... Phase I...

A: Phase diagram: The phase diagram represents the different phases of the substance and the pressure a...

Q: Properties of Intermolecular forces (IMF)

A: 1. Ion–Dipole Forces Ion–dipole forces are the electrostatic attractions between an ion and a dipole...

Q: 1. Predict and label the conjugate acid/base pairs of the following acid-base reaction assuming it r...

A: The correct answer to the question is given below

Q: What is the λmax of this given structure?

A: Lamba max=308 nm

Q: for å first order decomposition reaction, → products, given the time needed to decrease the initial ...

A:

Q: WHAT IS THE CHEMICAL RECTION FOR THIS PROCEDURE   5-Amino-2-chlorophenol To a 250 mL Erlenmeyer f...

A: The solution of the question is given below:

Q: What would be the Balanced equation for this experiment

A: A question based on introduction to organic chemistry that is to be accomplished.

Q: Calculate the mass of excess reagent remaining at the end of the reaction in which 180.0g of SO2 are...

A: we are given a reaction  2SO2 + O2  →  2SO3 we need to calculate excess reagent when, MSO2 = 180.0 g...

Q: Refer to the figure below. At 300 K, if the pressure is increased from 0.006 atm to 1 atm, the phase...

A:

Q: Analyze and answer the problem. Show your complete solution. What mass of AgNO3 must be dissolved i...

A:

Q: Which is NOT true about Auxochromes O They are conjugated dienes O they are functional group attache...

A: A chromophore is a molecule's constituent responsible for a specific UV/visible absorption.  The sub...

Q: 3. For the cell notations in the previous problem, write the corresponding balanced reactions. . Con...

A: Galvanic cell reaction:-  2Cr(s) + 3Cu+2(aq) --------> 2Cr+3(aq) + 3Cu(s) Anode is the place wher...

Q: Which of the following molecules can participate in any kind of hydrogen bonding with water? H. H-C=...

A: The compounds given are,

Q: How many grams of KCI are in 125.0 mL of 0.375 M KCI? O 46.9 g O 3.49 x 103 g O 3.49 g O 0.0469 g

A:

Q: 1. An aromatic hydroxy ketone, C10H1002 2. A cyclic halogenated aldehyde, C3H13CIO 3. A campaund tha...

A:

Q: Consider the equilibrium system C(s) + CO2(g) = 2CO(g) If C is removed, the equilibrium will and if ...

A:

Q: What is the Amax of this given structure?

A:

Q: H,0 H, Heat

A:

Q: A certain substance A has a boiling point of 78 degrees celsius and substance B has a billing point ...

A:

Q: Br or I Br (b) or I Br (c) or

A:

Q: What are the measures that can help prevent proliferation of counterfeit drugs in the Philippines? ...

A: 1. Following measures we can take in order to stop proliferation of counterfeit drugs a. Developing ...

Q: Given these molecular weights of only nonpolar and non-ionic molecules consisting of only hydrogen a...

A: Melting point is directly proportional to number of the carbon atoms. Longer the carbon chain higher...

Q: Vanadium(V) oxide reacts with calcium according to the chemical equation below. When 20.0 moles of V...

A:

Q: 1. An aqueous solution with 15 g sulfuric acid is dissolved to make 0.2F solution. The specific grav...

A: Since you have posted a question with multiple sub-parts,we will solve first three sub-parts for you...

Q: What volume (mL) is required from a stock solution of 1.98 M KNO3 to prepare a 750 mL solution of 1....

A: Given,  Initial volume, V1 = 750 ml  Initial Concentration, S1 = 1.00 M  Final Concentration, S2 = 1...

Q: Which of the following statements is/are correct about visible spectrum i. white light passes throug...

A: The statements which are correct about visible spectrum are, ii) The observed color is the complime...

Q: A solution of manganese chloride has SG of 2.98 and contains 28.3% manganese chloride by mass. if 50...

A: Given: Mass % of Manganese chloride i.e. MnCl2 = 28.3 % Specific gravity of solution = 2.98  Volume ...

Q: Some measurements of the initial rate of a certain reaction are given in the table below. N2 H2 init...

A: A question based on kinetics of reactions in solution that is to be accomplished.