A student sets up the following equation to convert a measurement. (The ? stands for a number the student is going to calculate.) Fill in the missing part of this equation. Note: your answer should be in the form of one or more fractions multiplied together. -5.7 x 10 μg dL 0= ? g mL x₁0 0.0 X μ | Undo

Q: . Ammonia (NH3) is an example of a Brønsted-Lowry Base. i. Define the Brønsted-Lowry acid-base…

A: Given data  Concentration of ammonia = 0.335 M Kb= 1.8×10^-5 Find pH

Q: Question: 1. For the reaction CO(g) + H₂O(g) = CO₂(g) + H₂(g) The following are the absolute…

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Q: draw resonance structures for this structure by clear handwriting!!!!

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Q: ous sulfuric acid (H₂SO4) reacts with soli iquid water (H₂O). If 45.7 g of sodium su um hydroxide,…

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Q: Write the balanced NET ionic equation for the reaction when KCl and Na₃PO₄ are mixed in aqueous…

A: Balance chemical equation is equation in which number of atoms on both sides of the equation are…

Q: In C3Hg(propane) + 502(oxygen gas), what is the ratio of propane versus oxygen? O 1:4 O 1:5 O O 1:3…

A: Combustion reaction: Combustion reaction is a reaction in which the Hydrocarbons react with oxygen…

Q: Consider an oxygen atom. Which of the following electron orbitals would be unused for a ground state…

A: Since, Electronic configuration represent the electron present in orbital in which way. Arrangement…

Q: Use the References to access important values if needed for this question. References A student ran…

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Q: a. Describe, using diagrams if needed, what is meant by two (2) of the following. i. fluorescence…

A: IV. Quantum yield : The efficiency of photochemical reaction is expressed in terms of Quantum…

Q: Complete the table below. dL = Mg = 200 cs = 8 km = X 7 L 8 000 000 g Ś S B

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Q: The K₂ of a weak monoprotic acid is 1.01 × 10-5. What is the pH of a 0.0887 M solution of this acid?…

A: Given that, Ka of a weak monoprotic acid = 1.01×10-5 Concentration acid solution = 0.0887 M  We need…

Q: The density of aluminum is 2.70 g/mL at 20 degrees C. What volume would a piece of aluminum with a…

A: Given, At temperature 20°C. mass of aluminium (m) = 10.8 g Density of aluminium (d) = 2.70 g/mL…

Q: Determine the mass in grams of CO₂ that are produced by the complete reaction of 11.65 grams of…

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Q: 13. Compare and contrast an electrolytic cell with a voltaic cell. Provide one example where both…

A: Voltaic cell is also known as galvanic cell or electrochemical cell. Here we have to find out the…

Q: Complete and balance the following redox reaction by the oxidation number method: a) MnO4 1-(ag) +…

A: To balance the given reactions, we first determine the oxidation state of each atom on both side of…

Q: At 45 degrees Celsius, the N2O5 is monitored. Answer the data and determine the line's equation and…

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Q: Insert the four quantities a, b, c and d respectively that are required to balance the equation…

A: Balanced equation is the equation in which equal number of each and every atom is present on both…

Q: Draw the Lewis structures for each of the species below, then State the molecular arrangement and…

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Q: Use the References to access important values if needed for this question. The equilibrium constant,…

A: Given, H2(g) + I2(g) ⇌ 2HI Initially moles of H2 = 0.342 moles Initially moles of I2 = 0.342 moles…

Q: Apply the concepts of molecular orbital theory to solids (band structure, valence band, conduction…

A: Band structure: The atomic orbitals of each atom combine with each other to form same number of…

Q: Predict the ¹H shifts of the protons on the labeled OH NH₂ 1 a. H(1)=6.44, H(2)=6.40 b. H(1) 6.64,…

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Q: What is the hydration state of CuSO4. x -H2O? Mass of sample: 1.000 (g)  Mass of water lost: 0.361…

A: The water of hydration: The water molecules that are stoichiometrically bonded with the solid…

Q: Choose the chiral structures among the ones shown. Check all that apply. CI CI CI CI . CI

A: We have been given six structures and we have been asked to choose chiral structures from these 6…

Q: 8. Devise a simple chemical reaction that will distinguish between the following pairs of molecules:…

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Q: 1. What are products for each step in these sequential reactions? -OH 1) TSCI 2) NaOEt, Heat 3) 03…

A: 1) in reaction 1 there is making of -OH into good leaving group( -OTs ) ,Then E2 elimination…

Q: 1.9 L of a 0.80 M KCl solution Express your answer using two significant figures.

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Q: It takes 14.4 galons of gasoline to fill a car's gas tank. How much gasoline is this in liters? (1…

A: Which one of the following answer is correct

Q: , the reaction would be irreversible and from left to right under cellular conditions?

A: The reaction side with negative Gibbs free energy value is favourable.

Q: Which of the following is the 1,4-addition product in the reaction shown below? A) HBr Br B) Br D)

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Q: . Give the formula and name of an ionic compound cont

A: Ionic compounds are those which when dissolved in water dissociate into ions i.e. is one cation and…

Q: Consider the reaction below: 2 CO(g) + O₂(g) ⇌ 2 CO₂(g) If Kc is 2.24 × 10²² at 1298.0°C, calculate…

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Q: Write the balanced equation for the neutralization reaction between HCl and Ba(OH), in an aqueous…

A: we have to write the balanced equation for the neutralization reaction

Q: many pi bonds are present in the structure shown below? many sigma bonds are present in the…

A: We have been given an organic compound and we are asked to tell the number of sigma and number of pi…

Q: of Question 3 Recall the last time you bought a hot drink that was served in a Styrofoam cup,…

A: If you feel that your cup is warm.  It means yor cup is not insulating properly,  or poor insulator…

Q: b For each cell write the electrode reactions, and hence the overall reaction, that occur as the…

A: b) An electrochemical cell that converts the chemical energy of spontaneous redox reactions into…

Q: An unknown compound consists of 42.87% C, 9.59% H, and 47.54% Br, has a molecular mass 336.19. Find…

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Q: What kind of symbols are used to represent the reactants and products? O element symbols from the…

A: Any reactant and product  are represented by chemical formula which is written using Elemental…

Q: Complete the sentence below from the choices given: Ithough both SeF4 and XeF4 have four fluorine…

A: Given compound -  SeF4, XeF4 BrF5 ,PCl5 ,ClF3 ,XeF2

Q: NICKEL(II) SALT EXP. UNKNOWN # Mass of unknown, (g) Mass of crucible + beaker + precipitate, (g)…

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Q: In the laboratory, a general chemistry student measured the pH of a 0.468 M aqueous solution of…

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Q: if you do a standardization titration using and unknown molarity of NaOH to neutralize the above…

A: Given, Volume of KHP = 25 mL

Q: What is the mole ratio between hydrogen and oxygen in the following reaction? 2 H₂ + O₂ → 2 H₂O O 2…

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Q: Reaction of plumbous nitrate with potassium chromate. Volume (ml) Molarity (M) Color of Solution…

A: Given, Volume of Pb(NO3)2 = 4 mL = 0.004 L, Concentration = 0.199 (M) Volume of K2CrO4 = 4 mL =…

Q: A(g) ⇄ 2B(g) Initially, we have 0.914 mol/L of A. What is the concentration of A at equilibrium if…

A: Here we are required to find the equilibrium concentration of A.

Q: Consider this reaction (molecular weights are under each compound): HC=CH + 2 HCI MW = 26 36.5 -->…

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Q: In 3C02 (carbon dioxide gas) + 4H2 O (water), the ratio of carbon dioxide to water is 4:3 3:4 O O…

A: Given reaction is : 3 CO2 (carbon dioxide) + 4 H2O(water) → product. We have to calculate the Ratio…

Q: will the liquid filtrate collecedt after filtering your solid product be acidic.

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Q: Describe the geometric properties of a primitive cubic structure and body-centered cubic structure…

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Q: cation 2+ Pb 2+ Mg 2+ Fe anion C₂H₂0₂ 103 CN Some ionic compounds empirical formula name of compound

A: Here we have balance the charge of anion and cation to write formula as overall compound will be…

Q: Но 2-methylbutan-4-ol 3-methylbutan-1-ol 3-methylpentan-1-ol 2-methylpentan-4-ol ОН ОН

A: Rule of IUPAC- 1) Choose the longest carbon chain as parent chain. 2) Numbering start from those…

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.