QUESTION 1 What are the standard units of density for a solid | and a liquid

Q: At a certain temperature this reaction follows second-order kinetics with a rate constant of 1.04 M-...

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Q: If a reaction is zero-order in a reactant, when the concentration of the reactant is decreased by a ...

A: Given that, Reaction is zero order, Then,  

Q: How many grams of CuCl2 (MW = 134.45 g/mol) is needed to prepare 100.0 mL of 0.2418 M CuCl2?

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Q: Which of the following will you use to find the Ka value for bromocresol green? Select one: a.The g...

A: the Ka value for bromocresol green, we can calculate from 

Q: Observer (a) Observer (b) CI, Observer (c) (d) Observer (e) (f) Observer Observer Br

A: Newman projection visualizes the conformation of a chemical bond of alkane from front to back, with ...

Q: Write an equation for the removal of an electron from a sodium atom

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Q: Which of the following statement/s is/are TRUE?  The Arrhenius Theory cannot be applied to account ...

A: 1) statement 1 is correct beacuse Arrhenius Theory explain the variation of molar conductivity of we...

Q: The cell notation for the Galvanic cell is Cd(s)Ca2*/12(s)/" The Standard Reduction Potential are as...

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Q: Question 6 The equilibrium constant for a reaction A +B = Y + Z is 0.1. What amount of A must be mix...

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Q: 22.00 g sample of nitric acid (HNO3) has a purity of 96.20% by mass. Calculate the following: the ...

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Q: hich of the following describes an electrolytic cell?     The chemical reaction is spontaneous   ...

A: Given : We have to tell which statement is correct for electrolytic cell.

Q: What is the correct way of dealing with acid spills? (A Neutralize with a basic solution before wipi...

A: Concentration acids are highly dangerous and can cause damage to skin when in contact.

Q: Using the data in the table, calculate the standard entropy changes for the following reactions at 2...

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Q: Determine the concentration of 7.13 g zinc nitrate (MW = 189.4 g/mol) dissolved in 200.0 mL distille...

A: Given, Weight of zinc nitrate = 7.13 g Molecular weight (MW) of zinc nitrate = 189.4 g/mol Volume of...

Q: What is the cell potential for the following reaction at 25 °C?  Ni(s) + Cu2+(0.010 M) → Ni2+(0.001...

A: Given, Ni(s) + Cu2+(0.010 M) → Ni2+(0.0010 M) + Cu+(1.0 M) SRP: E° Ni2+/Ni = -0.25 V; E° Cu2+/Cu+ = ...

Q: Fermentation is a complex chemical process of wine making in which glucose is converted into ethanol...

A:  the given reaction., C6H12O6 -----> 2C2H5OH + 2CO2 Molar mass of glucose = 180 g/mol Given Mass ...

Q: About 50% of ucunary.calaulikidncystones).consist of calcium phouphale, Ca(PD.) The nomal mid-cange ...

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Q: Which of the following should NOT be done in case of a large acid spill? A After wiping the spill wi...

A: Discuss the things which have done in the acid spills and check which one is not suitable to do afte...

Q: The balanced chemical equation and rate law for the reaction between NO(g) and H2(g) at a particular...

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Q: Calculate the percentage of nitrogen, N, in dinitrogen trioxide, N203. A. 46.7% B. 18.4% C. 36.8% D....

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Q: Name one example or type of colloids that is used in or found in Agricultural system and briefly dis...

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Q: Ammonium perchlorate (NH,CIO,) is the solid rocket fuel used by the U.S. Space Shuttle. It reacts wi...

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Q: Example of addition polymer and condensation polymer and their structure

A: Given question is : Example of addition polymer and condensation polymer and their structure = ?

Q: The following structure is more active than morphine as an analgesic. HO -NMe H. acetyl O The extra ...

A: The given structure is acetylcodeine. It is an analgesic and is more active than morphine. It is als...

Q: Which of the following is not a way of expressing data reliability: A Sampling B Chemical literature...

A: Data dependability refers to the completeness and accuracy of data, and it is a critical basis for e...

Q: Draw the mechanism of the formation of Veratrole/O-dimethoxybenzene using Friedel-Crafts Acylation. ...

A: Friedel-Crafts acylation is the reaction for acylating benzene or its derivatives using acyl chlorid...

Q: At 100°C and 2 bar pressure, the degree of dissociation of phosgene is 6.30 x 10-0. Calculate the eq...

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Q: Francis A. Santos Which of the following chemical grades are specially manufactured, have exceptiona...

A: Which of the following chemical grades are specially manufactured, have exceptional purity and used ...

Q: Which of the following equilibria would not be affected by pressure changes at constant temperature?...

A: Answer: Pressure of any system of given volume at constant temperature is always directly proportion...

Q: In the reaction Cl2 (g) + I2 (s) --> 2 ICI (g) 22.1 grams of chlorine are reacted in the presence of...

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Q: Use the information below to answer the following question: C2H2(g)+ 5 O2lg)→ 4 CO2(g)+2 H2O(g) + 25...

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Q: Which kind of solvents are suitable for experiments involving spectroscopic analyses? (A Spectroscop...

A: In Spectroscopy, solvents play crucial role. In this technique ,solvents have to be 100 % pure,and s...

Q: II. Directions: Using Lewis structure, show how an ionic compound is formed between each pair of ele...

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Q: Nitrogen dioxide decomposes according to the reaction: 2 NO2(g)  2 NO(g) + O2(g); Kp = 4.48 x 10-13 ...

A: Please find your solution below : Chemical equilibrium is a state in which there is no change in amo...

Q: At a certain temperature the rate of this reaction is first order in H,PO, with a rate constant of 6...

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Q: How many grams of O 2 are required to burn 46.0 grams of C 5H 12?      C 5H 12 + 8O 2 --> 5CO 2 + 6H...

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Q: Answer the expression below with the appropriate number of significant figures. 2.4 x 10-4 + 3.1 x ...

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Q: Calculate the mean and standard deviation for the following set of analytical results: 34.65, 34.97...

A: Please find your solution below : Mean is calculated by taking the sum of all the values of data and...

Q: 2. Consider a deuterium atom (1 electron, 1 deuteron). Sketch the E vs. B, diagram, including those ...

A: EPR is electron spin resonance which is used to study the species containing unpaired electrons. The...

Q: Which of the following is/are TRUE about Galvanic cell? The Gibbs Free Energy of the cell is negati...

A: For spontaneous process Gibbs free energy change in negative...

Q: dified True or False tions: Write CHEMISTRY if the statement is correct, if otherwise, change the un...

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Q: WHICHC IS THE WEAKEST TYPE INTERMOLECULAR FORCE? A. DIPOLE-DIPOLE B.HYDROGEN BONDING   C.ION-DIP...

A:

Q: Which of the following is/are TRUE about Galvanic cell? I. The Gibbs Free Energy of the cell is nega...

A: In a galvanic cell, the anode is negatively charged and the cathode is positively charged. 

Q: A systematic error A arises from the limitations on the ability to make a physical measurement. B is...

A: To define: Systematic error.  

Q: Vhich of the following does NOT exhibit a safe laboratory practice? A Gloves are not removed when go...

A: The options given are,  

Q: 37. What will be the major product of the reaction of 1 mol of propyne with each of the following re...

A: We are authorised to solve first three subparts of a question. Please post the rest of the sub parts...

Q: E. F 2.5 1.4 9. 6. 4. Propose a structure for a compound with the following H1 NMR spectra. Match ea...

A: Since we know that in IR spectra carbonyl compound shows peaks around  1700-1725 cm-1...  

Q: Which of the following is the best option for transferring 20 mL of a solution? A Use a 5ml serologi...

A: Since you have posted multiple questions, we are entitled to answer the first only.  

Q: 1. Determine the enthalpy of formation of the reaction: [4 NH: + 5 O2 -> 4 NO + 6 H2O] NH: = -80.89 ...

A: The correct option is:  

Q: For Drug A, the difference between the effective dose 50 and lethal dose 50 is 4mg. For Drug B, the ...

A: Therapeutic index is defined as the difference between the amount (concentration) of the drug that i...

States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates). 

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.