SCI2

Q: Diborane (B2H6) is a propellant.  The combustion reaction of diborane is as follows: B2H6(s) + 3O2(...

A: Given that:  Mass of B2H6 = 116g Molar mass of B2H6 = 27.66g/mol Moles of B2H6 = mass ÷ molar mass  

Q: Sulfuric acid is found in some types of batteries. What volume of 3.50 M H2SO4 is required to prepar...

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Q: %24 %23 3. If a cylinder contains 11.3 g of CO2 in 13.0 L at 395 K, what is the pressure? atm 2. 4.

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Q: According to the balanced reaction below, calculate the moles of NH, gas that form when 4.2 mol of N...

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Q: nitric acid could be used to neutralize calcium hydroxide. if you have 1.32 L of a 1.48 M calcium hy...

A: To calculate the volume of nitric acid to neutralize calcium hydroxide , we would use mole ratio bet...

Q: what is the correct way to write the chemical formula for silver acetate in water

A: • We need to write the chemical formula for silver acetate in water. 

Q: Half Reaction Method Basic solution: N₂ H4 + Fe(CN)6³- + OH− → N₂ + Fe(CN)6⁴-

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Q: He2+ + H → He* + H* Calculate the electronic energy change for this reaction. Assume all species in ...

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Q: Base your answers on the illustration.  It is most resistant to oxidation. It has the highest numbe...

A: Since π-bonds are more reactive than sigma bonds, unsaturated fatty acids are more reactive than sat...

Q: What is the relevance of the reading card and the white sheet of paper in titration? Define an endp...

A: 1. A buret reading card with a black rectangle can help you to take a more accurate reading. Read th...

Q: Write a balanced chemical equation based on the following description: aqueous iron(III) chloride re...

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Q: A few hydrogen and oxygen molecules are introduced into a container in the quantities depicted in th...

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Q: A 7.0 g ice cube is placed into 230 g if water. Calculate the temperature change in the water upon ...

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Q: Complete the following synthesis with the missing reagent(s) or major product(s). OH MCPBA OH CN Hin...

A: Here we have to write the reactant, reagent and products-

Q: Question 8 Which of the following reaction will be NONSPONTANEOUS? A Cr20,2(aq) + 3H2O2(aq) + 8H*(aq...

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Q: According to Pearson's HSAB (Hard-Soft Acid-Base) Concept, What is the strength of thermodynamic int...

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Q: How would you classify the linkage (a or B and carbon numbers) between the two monosaccharides?

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Q: Topic: separation scheme of group i and iii cations Write the chemical formula or preciptates forme...

A: Here we have to write chemical formula or precipitate formed of group 1 and 3 cations-

Q: The given compound, 2-methylbutane is having A. One primary, one secondary and three tertiary carbon...

A: Classification of carbons on the basis of number of carbons bonded to the single carbon;

Q: Complete the balanced molecular chemical equation for the reaction that takes place as solid copper(...

A: The balanced equation can be defined as the chemical equation where the number of each atom on both ...

Q: A 5.1-gram piece of gold jewelry is removed from water at 100.0°C and placed in a coffee-cup calorim...

A: the purity of the jewelry can be estimated by comparing the specific value of gold experimentally an...

Q: What are the sources of these raw materials: 500 g calcium polysulphide and 1.5 kg hydrochloric acid...

A: Calcium polysulfide is produced by reacting lime with sulfur in boiling water. The resultant solutio...

Q: An organic acid is composed of carbon (58.80%), hydrogen (9.89%), and oxygen (31.33%). Its molecular...

A:   Empirical formula : Simplest whole number ratio of atoms present in a compound is called " empiric...

Q: Determine the molecular formula of the compound.

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Q: 7. Use the curved arrow notations to show the flow of electrons in the given reactions. • cr b. * OH...

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Q: The Lewis structure for XeF4 is shown. What is the electron-pair geometry and the molecular geometry...

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Q: oxidation numbers

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Q: Use the octet rule and formal charges to select the best Lewis structure for HCLO. A в H C/ C H- D H...

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Q: An NMR spectrometer that operates at a frequency of 60 MHz for 13C NMR spectra. The instrument opera...

A: Correct option : E  

Q: Prelaboratory Assignment: Investigation of Hess's Law Through Calorimetry 1. a) Calculate the amount...

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Q: A mixture of 2.5 moles of Na and 1.8 moles of Cl2 reacts to make NaCl. How much sodium chloride is m...

A: Number of moles of Na = 2.5 moles Number of moles of Cl2 = 1.8 moles

Q: 1. What is the reduction product of iodine?    a. Dehydroascorbic acid   b. Iodide   c. Iodine   d. ...

A: Ascorbic acid and iodine undergo redox reaction  

Q: Be sure to answer all parts. What is the molar mass of each compound? a. LizCO3 (lithium carbonate),...

A: a. Molar mass of Li2CO3 = (2*7)+(1*12)+(3*16) = 14+12+48 = 74 gm/mol  (Exactly molar mass = (2*6.941...

Q: Consider the Haber-Bosch process for the synthesis of ammonia from its elements. Calculate the theor...

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Q: Sodium chloride, the table salt (NaCl) is added in cooking to enhance the flavor of the food.  When ...

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Q: In a reaction between copper metal and aqueous iron (III) chloride, Fe3+(aq) is reduced to Fe2+(aq),...

A: Given volume of FeCl3 solution is 32.2 mL and strength is 1.7 M  Molar mass of Cu is 63.5 g/mol. Her...

Q: Sodium chloride, the table salt (NaCl) is added in cooking to enhance the flavor of the food.  When ...

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Q: TRUE OR FALSE 4. A litmus paper test for the acidity or basicity of a solution is done by dipping a ...

A: Litmus paper is a filter paper that has been treated with specific water soluble dyes so as to act a...

Q: How many grams of KClKCl must be added to water to create 8.0 LL of an 0.040 MM KClKCl electrolyte s...

A: Given data is as follows: The molarity of the solution = 0.040 M The volume of the solution = 8.0 L ...

Q: The addition of 125.0  g potassium fluoride to 601.0  mL of water (d = 1.00 g/mL) causes the tempera...

A: The mass of solute, KF is = 125.0 g The volume of solvent water = 601.0 mL The mass of solvent water...

Q: energy

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Q: PROCEDURES 1. Search at least five food products at home. 2. Determine the major fat component (Satu...

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Q: TRUE OR FALSE _ 1. To dispense chemicals, read the label at least twice before removing any chemical...

A: 1. To dispense chemicals, read the label at least twice before removing any chemical from the reagen...

Q: Draw a mechanism for the following transformation: OH ОН Dilute (a) (b) H2SO4 OH [H"] (c)

A: The hydration of an alkene in an acidic medium gives the corresponding alcohol. The first step is th...

Q: Write formation reactions for the following. You must include the states of matter for each atom or ...

A: Given that : We have to write the formation reactions for the following : Ca(NO3)2(s)  CH3OH(l)  NaC...

Q: Calcium carbide, CaC2, is manufactured by reducing lime with carbon at high temperature. (The carbid...

A: Given: The amount of energy absorbed by the reaction is equal to 464.8kJ. Moles of CO(g) formed = 34...

Q: most negative electron affinity?

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Q: What is the nuclear binding energy per nucleon of potassium-40? Particle Mass (amu) K-40 39....

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Q: . After all of the water is evaporated from 10.0 mL of a CsCl solution, 3.75 g of solid CsCl remains...

A: Answer of this question:-   

Q: LOD NH 500 L000 4 D00 3000 2000 1500 HAVENUMB ERI 1l 50 4 D00 3000 2000 15 00 1000 5 DO HAVENUMB ERI...

A: IR spectroscopy  helps us to find the functional  group in the given compounds .