2. A balloon under room conditions, 20.0°C and 1 atm, contains 1.50 L of CO2. How many grams of CO₂ is this?

Q: 7. In a parallel reaction with two products (A and B), the rate constants were k4 = 3.3 x 10-³ s-¹…

A: For a parallel reaction, the rate constants kA and kB are given. We have to calculate the yield of…

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Q: Demonstrate that a.  the numerical value of the molality is essentially equal to that of the…

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Q: What volume in (mL) would 0.0709 moles of gas held under 1.40 atm pressure and 461 K occupy?

A:

Q: QUESTION 11 The following 5 questions refer to the redox reaction shown below at 298K : Sn (s) +…

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A: During an Alpha decay the mass no of the product or daughter nuclei decrease by 4 while atomic no…

Q: Identify the major product of autooxidation of the following compound X Xx xay OH X HOTO OH

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Q: QUESTION 7 What is the [OH -] in a solution that has a [H 3O +] = 2.0 × 10 -4 M?…

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Q: Which of the following is true regarding chemical equilibrium? O A reaction is in equilibrium if the…

A: ΔrG = - R T ln Keq R = gas constant T = Temperature

Q: The equilibrium constant, Ke, for the following reaction is 4.04 x 104 at 428 K. PC15 (9) PC13 (g) +…

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A:

Q: QUESTION 33 What is missing in the nuclear reaction shown below? 10 5 B + O 14 7 O 13 7 4 2 N O 13 5…

A:

Q: 3) Which of the following is a weak acid? A) H3PO4 B) HNO3 C) NH3 D) OH-

A: Acidity of a acid depends on how much H+ ions it produces after dissolving in water.

Q: If [OH- ] is 2.45 x 10-10 M, what is [H3 O+ ]?

A:

Q: 9)2.5543 grams of Na₂CO3 (MW-105.9 g/mole) are placed in a 500.0 mL volumetric flask. A 25.00 mL…

A: Amount of Na2Co3 given =2.5543 grams Volume of Na2CO3 solution =500mL=0.5L Volume of HCl solution…

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Q: A chemist conducts a calorimetry experiment on an unknown metal. The mass of the sample is 24.4 g.…

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Q: Which product would NOT form in the following reaction? Br DBU DBU

A: A question based on alkene. A multiple choice question about elimination reaction is prescribed.…

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A: Boiling point of compounds depend on the bonds and attractive force present in the molecules.

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Q: Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product…

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Q: H₂O₂ HCN N₂O LEWIS STRUCTURE XeF₂ LEWIS STRUCTURE BiCls XeF4 BA UP SETS BA UP SETS MOLECULAR…

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Q: Using average bond enthalpies (linked above), estimate the enthalpy change for the following…

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Q: 8) Arrange these compounds in order of increasing boiling point. I. 1-butanol II. butanal A) I<II…

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Q: 6. Given the following methanation reaction at 1000 K. CO (g) + 3 H2 (g) CH4 (g) + H₂0 (g) AH = -230…

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Q: 0.2 ppm d- 2535.4 ppm .5543 grams of Na,CO, (MW-105.9 g/mole) are placed in a 500.0 mL volumetric…

A: Given that, 0.5543 g of Na2CO3 are placed in a 500.0 mL volumetric flask. The molar mass of Na2CO3…

Q: Draw the major product of this reaction. Ignore inorganic byproducts and the alcohol side product.…

A:

Q: Are these compounds polar or nonpolar? methyl 3-nitrobenzoate  diphenylmethanol Ethyl Acetate…

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Q: Calculate the standard cell potential, Ecell for the equation Cr(s) + F₂(g) → Cr² (aq) + 2F (aq) -…

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Q: Curved arrows are used to illustrate the flow of electrons. Follow the arrows and draw the…

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Q: QUESTION 1 What is the radioactive particle released in the following nuclear equation? 90 38 Sr- →…

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Q: 8) The ppm concentration of K ions (Atomic mass is 39.04 g/mol) in the solution that result from…

A: 1 ppm = 1 mg in 1 L

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.