When heated, KClO3 decomposes into KCl and O2. If this reaction produced 52.6 KCl, how many grams of O2 were produced?

Q: 5. Write down a volume reading for each graduated cylinder below. Be sure to determine the last…

A: In the graduated cylinder, the bottom of meniscus is used to determine the volume of a liquid.

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A: Given: van't Hoff factor of NaCl = 1.8 Temperature = 37°C Concentration = 0.90 % m/v Known: Molar…

Q: a. Account for this fact: Although methanol (CH3OH) (bp, 64.7 °C) has a higher molar mass than water…

A: Solving the following 2 objective questions :  Hydrogen bonding - occurs in the molecules where H is…

Q: what is it about the atoms of lithium, sodium, and potassium that cause them to behave in such a way…

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Q: 1. Give IUPAC names for the follow Cl. CI CH3 Br CH₂

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Q: apor pressure data are given here for acetic acid, CH3 emperature (°C) Vapor Pressure (mm Hg) 25…

A:

Q: A prospector wants to know how much gold is in the ore that he has been mining.  A sample weighing…

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Q: Shown below it the equilibrium between guanidine and the guanidinium ion. NH₂ pKa = 13.60 H₂N-C-NH₂…

A:

Q: Q3. When the orgo students did the experiment, they weighed out 2.105 g of Salicylic acid  and mixed…

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Q: Chemistry A 50.0 g sample of propane is cooled from 50 °C to 0 °C. What was the change in energy of…

A: According to the question, the propane gas is being cooled from 50°C to 0°C and for that process of…

Q: m/Ind The critical parameters of a gas are Pe=45.6 atm, V-98.7 atmimol and Te-190.6 K. Calcul the…

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Q: How many molecules are contained in 38.33 grams if NO2? First determine the molar mass of NO2. Can…

A: Given, Mass of NO2 = 38.33 g  Atomic mass of N = 14.0067 g/mol  Atomic mass of O = 15.999 g/mol NA…

Q: 2. In an FCC structure, the atoms are found on the corners of the cubic unit cell in the centers of…

A: It is given a FCC structure .we have to calculate the relation between the edge length and radius,…

Q: 1. Consider this compound: b) c) Label A B JOH CH₂ CH3 How many signals would this compound give in…

A:

Q: B. Explain why the maximum vapor pressure and standard enthalpy of vaporization are different for…

A: The enthalpy of vaporization is the amount of energy that must be added to one mole of a liquid to…

Q: Students conducted an analysis of baking soda in chemistry lab. During the activity, they had to…

A: The closeness of measured value to a standard or true value known as accuracy. The closeness of two…

Q: In the figures below, two types of atoms are represented by small white circles and large red…

A: Law of definite composition states that a given compound always contains its constituent atoms in…

Q: owing information is given for antimony at 1atm: 140.00°C 31.00°C heat solid = 0.2090 J/g °C heat…

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Q: Potential Energy ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 0 60 3 H₂C 120 180 Degree of Rotation II 240 300 A) 1 B) 2 C) 3 D)…

A: Conformational analysis.

Q: What is the best description of bond length? a. a distance between nuclei that yields the best…

A: Bondlength is the distance between  nuclei of two atoms. It is generally in the order of picometer…

Q: Calculate the molar mass of each compound given below.

A:

Q: The vapor pressure of liquid cobalt is 400 mm Hg at 3.03x10³ K. Assuming that its molar heat of…

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Q: + K H + H H₂N 'M H •R (S)-proline (cat.) DMSO R Z

A: It is the amino alkylation of an enolisable cabonyl compound in acidic conditions with the help of…

Q: 6., Draw the diene and dienophile which would be used to prepare the following bicyclic compound.…

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Q: What type(s) of intermolecular forces are expected between NOBr molecules? ball & stick - + labels…

A: we have to determine the intermolecular forces present in NOBr molecule

Q: The oxygen in water is primarily (99.8%) 16O, but water enriched with the heavy isotope 18O is also…

A: When Aldehydes and ketones undergo addition of water, the carbonyl carbon forms gem-diols.The…

Q: Drag and drop each term to correctly complete the prompt. Compounds are formed when two or more…

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Q: TRANSPETTANCE 1962 2945 3000 capillary file between salt plates 2500 AVENUMBERS 2000 1371 1192 1004…

A:

Q: The following information is given for benzene, C6H6, at 1atm: AHvap(80.1 °C) = 30.7 kJ/mol boiling…

A:

Q: 3. Boron (B; Z=5) has two naturally occurring isotopes. Find the percent abundances of ¹0B and ¹1B…

A:

Q: QUESTION 21 An unconscious patient arrives at the ER. The patient is breathing heavily (panting)…

A: #Q.21: Given PCO2 = 40 mmHg  pH of the H2CO3/HCO3- buffer system = 7.2  First, we have to find the…

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A: Functional group of organic compound represents the characteristic property of the compound. Some of…

Q: A formula that shows the arrangement of all bonds in a molecule is called a(n) A) molecular formula.…

A: A chemical formula indicates the atoms in a molecule. It shoes the arrangement, number and type of…

Q: 21. What force holds electrons near the nucleus of the atom? A. Strong nuclear force B.…

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Q: Chemistry A young adult (60 kg body weight) drinks two beers of 12 oz. each, over a period of 10…

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Q: Four ice cubes at exactly 0°C with a total mass of 51.0 g are combined with 120 g of water at 85 °C…

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Q: 2. Calcium Flourite, CaF2, has a structure based on the fec lattice and a basis with Ca at 000 and…

A: Given  CaF2 has FCC structure. Ca(000),F(1/4 1/4 1/4),F(3/4 3/4 3/4)

Q: Try to complete the missing information for these three isotopes using only the data provided.…

A:

Q: What colors are the fluorescent emissions due to quinine and the Mg-HQSA complex, respectively?

A: Fluorescence emission is the emission of light by a substance which has absorbed light in other part…

Q: Which of the following reactions describes atmospheric fixation? a.N + O→NO b.N2 + 02 →2NO c.N + 02…

A: Since you asked multiple questions so as per Q&A guidelines of portal I solved first question…

Q: (b) In a reaction A+B Product, if concentration of A is doubled the reaction rate doubles but if the…

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Q: 4) Which of the following is NOT a valid resonance structure of the molecule in the Box: or otro (C)…

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Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

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Q: Liquid helium boils at −268.93 °C. What is the boiling point of helium on the Kelvin temperature…

A: Given ,  boiling point of He = -268.93 °c T°K = T°c + 273

Q: The enthalpy of combustion of benzoic acid is commonly used as the standard for calibrating…

A: Given, The enthalpy of combustion of benzoic acid = -3226.7 kJ/mol. The mass of benzoic acid burned=…

Q: A student reads a barometer in the laboratory and finds the prevailing atmospheric pressure to be…

A: In this question, we just need to convert the unit of pressure from mm Hg to all other unit. The…

Q: If 28.8 g of O₂ is required to inflate a balloon to a certain size at 32.0 °C, what mass of O₂ is…

A: Given,  Mass of O2, w1 = 28.8 g  Initial temperature, T1 = 32 °C  Final temperature, T2 = 9 °C

Q: A sheet of aluminum (density=2.60 g/cm³) has dimensions of 4.75 mm x 1.80 m x 2.48 ft. Calculate its…

A:

Q: What functional group is indicated by the arrow? Percent Transmission (Transmitance) 0.8 0.6 0.4 0.2…

A:

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".