1. If you have 16 CH4 molecules, how many atoms of hydrogen do you have? 2. If you had 120 hydrogen atoms how many molecules of CH4 could you make?

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Q: What is the pH of a solution with [OH1-] = 1 x 10-8 ?

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Q: When 51.4g of a metal alloy at 78.5°C are added to 112g of water at 23.8°C in a coffee - Cup…

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Q: a. C. e. :O: :0: C₁ :O: :0: :O: .H H (0) تو ه :O: + :O: يعمد :O: :0: :O: مكة H .H

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Q: Three 300 ml. expandable containers (A, B and C) containing mixtures of nitrogen gas and hydrogen…

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Q: For nitrogen gas the values of C, and C at 25°C are 20.8 J K-¹ mol-¹ and 29.1 J K-¹ mol-¹,…

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Q: For the process: Z₂(g) →2 Z(g), AH° = +478 kJ. What would be predicted for the sign of ASxn and the…

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Q: Predict the major product for the reaction: 1-butene + HI → product(s) CH3CHICH₂CH3 CH3CI2CH2CH3 no…

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Q: R R carbonyl compound + H₂O H3C НО. CF 3 R OH R Which of the carbonyl compounds below has the…

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Q: Consider the following reaction: CO(g) + NO2(g) → CO₂(g) + NO(g) If the rate law for this reaction…

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Q: The equilibrium constant Kc for the following reaction is 0.042 PCI, (g) PCI, (g) + Cl₂ (g) The…

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Q: The reaction below will پہلی بلی 1) NaOC₂H5 2) HO

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Q: Draw 2-methylpentanoic acid. Include the hydrogen atoms in your structural formula.

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Q: 14. 503 Total # of Valence Electrons: 24 Lewis Structure (show all resonance structures if…

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Q: Which compound is it more accurate to refer to a molecular mass than a formula mass? Al₂O3 K2O O…

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Q: Consider the table of initial rates for the reaction: [NH4¹+]o, mol/L 0.100 0.100 0.200 Experiment 1…

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Q: The isoelectric point, pI, of the protein trypsin is 10.5, while that of horse liver alcohol…

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Q: What is the 1H NMR data (chemical shift, integration, multiplicity (specify as singlet, doublet,…

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Q: P4(s) + 5O2(g) → P4O10(s) ∆ G° = -2697.0 kJ/mol2H2(g) + O2(g) → 2h2O(g) ∆ G° =  - 457.18  kJ/mol…

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Q: Suppose 2.2 liters of gas at 37.5 degrees Celsius is under 7.51x10^7 pascals of pressure. How many…

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Q: Identify the reactants X and Y needed to produce the ketal shown below: X + Y X = Y = A OH E TSOH…

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Q: Which one of the following is the solubility product constant for Mn(OH)₂?

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Q: Convert the following structure into Fischer projection formula and designate R.S to the chiral…

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Q: 5. Calculate the hydronium ion concentration in 0.0120 M nitrous acid.

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Q: The newer anxiolytic drug that shows little risk for dependence in animal studies is called: O…

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Q: what is the proper name for the nuclide of nitrogen that has 7 protons and 7 neutrons

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Q: When Cr(CO) is heated with a two electron donor such as triphenylphosphine (PPh³), the…

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Q: rate of 6 mcg/kg/hr in a patient who weighs 100 kg. at what flow rate in ml/hr will you set

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Q: If the zero order elimination is 0.125 hr -1 and the t1/2 (hr) is 7.5 hr, the initial conc. Co is-…

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A: Given,  The mass of nickel = 100.00 g. Initial temperature of Ni = 98.10 °C The mass of water =…

Q: 4, Write out the step-by-step mechanism for each reaction below. Include all intermediates, charges…

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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.