4What causes the changes in ionic radius from left to right across  period 2 of the periodic table.

Q: Oxidize the below molecule as many times as possible. Then name each product. CI

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Q: A crystal of solid NaCl is placed into an aqueous NaCl solution. it is observed that more crystals d...

A: Given, Crystal of solid NaCl is placed into aqueous NaCl solution  and no more crystal is dissolved.

Q: 3. Suppose you had prepared Beaker D, where the initial concentration of [SCN'] = 0.0013 M and [Fe"]...

A: Introduction and Background When Fe" and SCN are combined, they react to form FeSCN, this reaction p...

Q: please complete the table (volume, dilution factor, concentration of glucose) 2. what is the concent...

A: 1) Preparation of Standard solutions with different dilution factors      Standard-1:               ...

Q: In the reaction between 7.0 moles of Na and 4.0 moles of Chlorine, to produce NaCl, which of the two...

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Q: Which of the following compounds are polar? Draw the partial charges in polar molecules. 1. ethylene...

A: Given compounds are :- 

Q: Label the diagram according to the components and processes of an alkaline battery. Drag the appropr...

A: In the electrochemical cell, the chemical energy is converted into electrical energy. The addition o...

Q: Stock solution and dilution materials: 500mg ascorbic acid (powdered) and 2L distilled water Solve f...

A: Mass of ascorbic acid (C6H8O6) = 500mg Vol. Of distilled water = 2L Mol. Mass of ascorbic acid = 176...

Q: A 1.35m aqueous solution of compound X had a freezing point of -2.51C. Which one of the following co...

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Q: A hot air balloon has a volume of one million liters. If the temperature of the outside air is 20°C ...

A: Ideal gas equation: The temperature, pressure, volume, and mole of the gas are related to the ideal ...

Q: If a block of copper measures 2.00 cm x 4.00 cm x 5 cm and weighs 356 g, what is its density?

A: The mass per unit volume of a substance is known as the density of the substance. The density of a s...

Q: Calculate the internal energy (in J) of a sample of 5.6 mol of an ideal monoatomic gas at 185°C.

A: The internal energy of an ideal gas is the sum total of all the translational, rotational and vibrat...

Q: What is the relationship between bioaccumulation of organic contaminants and Log KOW? Assuming no bi...

A: As we increase LogKow , bioaccumulation of organic contaminants increases. They have linear relation...

Q: For the following reaction, 22.6 grams of sodium chloride are allowed to react with 52.2 grams of si...

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Q: The diagram shows which level of structure of a protein? hydrogen bond CH, CH H.C CH, hydrophobic in...

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Q: CLO S Deduce the structure of an unknown compound using the loll Chemical shifn (d) (ppm) 13 429 747...

A: From proton nmr spectrum,  it is evident that there are 14 H's in the molecule. From mass spectrum, ...

Q: Calculate the pH of the cathode compartment for the following reaction given Ecell = 3.01 V when Cr*...

A: We know that., PH  =  - log [H+]  

Q: Give the complete chemical equation of the oxidation of ethanol with Potassium permanganate

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Q: The chemical formula for potassium bromide is KBr. A chemist determined by measurements that 0.0250 ...

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Q: 1.) What volume in mL of 0.220 M HBr solution is required to produce 0.0185 moles of HBr?

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: Bicarbonate reacts with water to produce carbonate ions and hydronium ions: HCO,- + H20 = CO2?- + H3...

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Q: 4) Draw the correct structures for the following: phenol meta-nitrophenol nitronium cation para- nit...

A: Answer - 4  To draw the structure for the given Compound :- 

Q: A gas sample has a pressure of 0.997 atm at a temperature of 21.3 °C. If the pressure decreases to 0...

A: Given,         the pressure of the gas (P1)=0.997 atm          temperature (T1)=21.3 °C =21.3+273 =2...

Q: Direction: Complete the table of the substances below by filling out the necessary information that ...

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Q: Charles LAW A Sample of from 380ML to 2 30 mL. If its tinal temperature as-ss°c, what was its origin...

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Q: According to the following reaction: 2H2S (g) + 30, (g) – 2H20 (1) + 250, (g) What would you multipl...

A: Reaction given :         2H2S (g)  +  3O2 (g)    →    2H2O (l) +  2SO2 (g) Coefficients are used to ...

Q: In the reaction of Cl2 with ethane and UV light, which of the following reactions would be a propaga...

A: Free radical of alkane involve three step reaction. In first step formation of chlorine free radical...

Q: Sn aAPs HIM UQUSanb Jaunoue o SuC Question 2 How many ml. of 0.22M KCOH must be added to 100 ml of 0...

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Q: Establish the relation between K and Kc for the reaction H2CO(g) ⇌ CO(g) + H2(g).

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Q: At 25oC the vapor pressure of pure benzene is 93.9 torr. When a non-volatile solvent is dissolved in...

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Q: a) Plot In[sucrose] versus time and 1/[sucrose] versus time. b) What is the order of the reaction? c...

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Q: che rate law

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Q: What is the shape of a molecule with the central atom having two shared and two lone pairs of electr...

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Q: What is the molar mass of a gas that has a density of 0.00562 g/mL? The pressure of this ideal gas i...

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Q: Shown here are the resonance contributors for the cationic intermediate in the electrophilic additio...

A: To show resonance structure , we show movement of electrons by a curved arrow.  The arrow starts fro...

Q: Predict the products of the following acid-base reaction. Identify and label the conjugate acid / ba...

A: Complete the given reaction and identify acid-base pairs ----

Q: How many moles of C2H4 contains 2.75x1023 atoms of H?

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Q: As the concentration of a solute in a solution increases, the boiling point of the solution ____ and...

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Q: stion 6 of 10 Write the balanced molecular equation and net ionic equation for the neutralization re...

A: For the given reaction, we can expect salt and water as two major products. 

Q: Use the following thermochemical equations as needed to find the heat of formation of diamond. C(di...

A: Given equations are : 1). C (diamond) +  O2 (g)  --------> CO2 (g) , ΔH1 = -395.4 KJ  2). 2CO2 (g...

Q: The following instrumental readings were obtained for the determination of low concentrations of sod...

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

Q: Tartaric acid can be titrated with a standard alkali. A 25.0 cm3 sample of the acid was exactly neut...

A: Volume of tartaric acid = 25.0 cm3  Volume of alkali, KOH = 27.5 cm3  Molarity of KOH = 0.10 mol/L  

Q: 1

A: Mass of CaCO3 = 0.4676 gram Molar Mass of CaCO3 = 100 g/mol Moles of CaCO3 = 0.4676/100 = 0.004676 m...

Q: Answer the following questions about Rare Earth Elements:     a. List the Lanthanide and Actinide el...

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Q: Match the disaccharide units of the following glycoconjugates: CH,OSO,- но H. COO NHCH, H H. OH H. н...

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Q: What is the expected freezing point for a 105.357 g solution that contains 6.906 g of acetone, C,H,O...

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Q: How is it that 1-butanol is insoluble with water but soluble with hexane?

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Q: balance the equation and the charge

A: A redox reaction is balanced by balancing the mass and charge. In an acidic medium, the charge of th...

Q: the pressure of No

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Q: Question 15 A 250 mL solution of 2.5 x 10 M AGNO3 is mixed with 150 mL of 5 x 10 M Na 3PO4. What is ...

A: when two soluble salt undergo double displacement reaction it would result in formation of insoluble...