An unknown compound has the following chemical formula: PtClx where x stands for a whole number.Measurements also show that a certain sample of the unknown compound contains  5.5mol of chlorine and 2.8mol of platinum.Write the complete chemical formula for the unknown compound

Q: Which of the following compounds has the highest normal boiling point? Select one: O A.…

A: we have to select the substance with the highest boiling point

Q: Consider 3-methylpentane. Using a Newman projection formula, draw the most stable conformation of a…

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Q: eneral formula, general Determine the electron geometry and molecular geometry 3-D: PCI, SF., SF,…

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Q: Which would be the most reactive dienophile?

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Q: Abs 20- 15- 10- 5- 0 320 349 nm 375 nm Transition 0-0 0-1 0-2 0-3 360 400 nm 400 428 nm 453 nm 440…

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Q: What is the product of the following reaction? NaBH4 ethanol Multiple Choice О H CH3CH₂CH₂CH₂CH₂CO₂H…

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Q: Calculate the enthalpy change for the reaction: 2 H2O2(l) → 2 H2O(l) + O2(g)2 H2O2(l) → 2 H2O(l) +…

A: Given, 2H2O2(l) → 2H2O(l) + O2(g) Enthalpy change for the reaction (∆H°rxn) = ? Species enthalpy…

Q: ) What is the pH of a 50.0 mL buffer containing 0.25 M NH3 and 0.45 M NH4NO3?

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Q: Show how you might use SN2 reactions to convert 1-chlorobutane into the following compounds. (a)…

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Q: 3. When heated, lithium reacts with nitrogen to form lithium nitride: 6Li(s) + N₂(g) → 2Li3N (s) (a)…

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Q: [Review Topics] Draw a structural formula for the product of the reaction shown. CH3 CH3 0 wwwwwww 0…

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Q: Can you answer the question and explain it? With the mechanism  Only e and f

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Q: What mass of precipitate (in g) is formed when 45.5 mL of 0.300 M Na3PO4 reacts with 58.0 mL of…

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Q: For each system listed in the first column of the table below, decide (if possible) whether the…

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Q: The boiling point of an aqueous solution is 102.31 °C. What is the freezing point? Consult the table…

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Q: The chemical formula for cesium chloride is CsCl.A chemist determined by measurements that 0.0800…

A: Molar mass of CsCl = 168.36 g/mol moles of CsCl = 0.0800 moles

Q: Which reaction intermediate (A or B) is more likely to form in the epoxide ring opening reaction?…

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Q: Resonance structures for the "allyl carbanion" are shown below (I and II). O.. CH₂CH=CH₂ I CH CH-CH₂…

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Q: Which reaction intermediate (A or B) is more likely to form in the epoxide ring opening reaction?…

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Q: The chemical formula for lithium hydride is LiH. A chemist determined by measurements that 0.0550…

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Q: The chemical formula for cesium chloride is CsCl.A chemist determined by measurements that 0.0800…

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Q: Which of the following compounds has the higher melting point? (ignore difference in strength of…

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Q: Show the reaction of 3,4,5-trihydroxybenzoate (gallic acetate) with an ORS (oxygen reactive…

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Q: 7:51 PM Sun Oct 16 ← Question 9 of 15 H3C. Curved arrows are used to illustrate the flow of…

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Q: Calculate the pH for each of the cases in the titration of 25.0 mL of 0.240 M pyridine, C,H,N(aq)…

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Q: Consider this three-step mechanism for a reaction: Cl₂(g) Cl(g) + CHCl, (g) Cl(g) +CCI, (g) 2C1(g)…

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Q: Balance the equation Run in an acidic solution:  MnO2+Cu+2 + H+-->MnO4-+Cu++H2O

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Q: Suppose 9.34 g of potassium bromide is dissolved in 100. mL of a 0.50 Maqueous solution of silver…

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Q: What is the value of the rate constant it for this reaction? When entering compound units, indicate…

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Q: Methylamine, CH3-NH₂, is a weak base (pk = 3.36). Which of the following acids is sufficiently…

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Q: Draw the Lewis structure of C₂H₂Cl₂ (both Cl atoms on one C atom) and then determine if the molecule…

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Q: : You wrote: Number of radial nodes: 30 shape n= Number of angular nodes: | = 20 cross-section…

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Q: Outline the differences you would predict in the 1 H NMR spectra of MDMA and MDMPA (i.e. predict…

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Q: What is the purpose of this experiment? To analyze the purity of salicylic acid after the…

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Q: Write a balanced equation for the reaction of hydrogen with beryllium. Express your answer as a…

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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.