1.85kg - 127g adding and subtracting problems chemistry

Q: onsider the photo of a 1000 ml graduated cylinder shown below. What is the volume of the water in…

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Q: The fuel used in many disposable lighter is liquid butane, C4H10. How many carbons atoms (C) are in…

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Q: 1. Which two of the following pairs of structures depict resonance contributors? A) B) C) D) B and C…

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Q: 1. A lab tech prepares 50.0 mg of I-123 on Tuesday, how many mg will remain 39 hours later if the…

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Q: 5.4 Poly(ethylene glycol), PEG, is soluble in water. A series of tests were done to determine the…

A: Poly(ethylene glycol) (PEG) is a synthetic polymer.  Polymers have very large molecular weight as…

Q: Rank the following temperatures in order of increasing kinetic energy (speed). 50 °C 150 °C 0°C - 20…

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Q: Explain whether its solution requires qualitative or quantitative analysis.

A: Qualitative Analysis: simply the chemical analysis in which the identification of the components…

Q: Is it possible to determine the position and energy of an electron at the same time? Why or why not?

A: Electron is negativity charged particle of atom.

Q: 5. The three structures below are common medications. i. ii. Circle the most acidic hydrogen in each…

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Q: In the resonance structure for the carbonyl group the charges on the atoms are

A: Given compound is organic compound as it contain carbon and hydrogen atoms.We have given the…

Q: d. By what factor does the reaction rate change if [B] is doubled (and the other reactant…

A: First we would write a reaction and rate law for that reaction using the given observation.  Then we…

Q: Instructions: Compute for the following problems stated below. Express your final answer into 4…

A: #1: Molecular weight is calculated by adding the atomic mass of all the atoms present in the…

Q: 1) Complete the reaction 2) Label as acid, base, conj. Acid and conj. Base 3) Determine the…

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Q: Consider this initial rate data at a certain temperature in the table for the reaction OCI (aq) +…

A: For the first question, we have to find the rate law and the rate constant from the given data. For…

Q: What are all the possible resonance structures (contributors) for the compound below? Please draw…

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Q: Select all of the following that would be soluble in the water layer of an extraction that utilizes…

A: Sunce you have asked multiple questions, we will answer the first one for you. To get the remaining…

Q: Protein A Hydration layer H₂N- C=O---H-N -C-CH3 H₂ -CH₂ CH3 H₂C-C- H -C-CH₂ H₂ H₂C-C- H₂ CN-H--O C…

A: Protein: Building block of proteins is an amino acid. The amino acids make a polypeptide chain…

Q: Draw the organic product of the Lewis acid-base reaction shown below. Include all lone pairs and…

A: First of all, be familiar with the concepts of the Lewis acid and Lewis base.  Lewis Acid-  The…

Q: 10 You are required to prepare 1 in 10 dilution using 0.5 mL plasma, how much diluent do you need?

A: Note: As per the guidelines, solution of question-10 has been made. For the expert solution of…

Q: Four liquids are described in the table below. Use the second column of the table to explain the…

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Q: Elemental phosphorus, P4, reacts vigorously with oxygen to give P4O10. What is the mass of P4O10…

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Q: ecide whether each pair of elements in the table below will form an ionic compound. If they will,…

A: An ionic bond is formed between a metal and a nonmetal, while a covalent bond is formed between two…

Q: a distillery, the vapor pressure of a solution containing 56.3 g glycerin (C3H8O3, molar mass = 92…

A: Amount of glycerin (solute) = 56.3 g Molar mass of glycerin  = 92 g/mol Amount of  ethanol  = 137.3…

Q: Rank the hydrogen on the following compound in order of increasing acidity. (only mark the numbered…

A: Increasing acidity order of compound can be decided based on their nature.

Q: The following is produced from the addition of an acid and a base: O a. Acid Ob. Base O c. Buffer Od…

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Q: draw the follwing molecule with chem draw , use deep green colour to show H  bonding , use black…

A: To draw a structure in chem dram we will use here benzene ring and other elements from the box given…

Q: Calculate the temperature at which two gases with different molecular weights both have an average…

A: gas1: 32g/ mol Average speed = (8RT/pi*M)1/2 Average speed =415 m/s R = gas constant = 8.314 J/K*mol…

Q: Determine the initial volume. 12.0 L of 0.45 m solution from 2.9 m solution.

A: Given,  Final volume, V2 = 12.0 L  Final concentration, S2 = 0.45 m  Initial concentration, S1 = 2.9…

Q: Identify the statement if TRUE or FALSE  Alkanes do not undergo any addition reactions are…

A: Organic compounds are those which contain carbon and hydrogen. Organic compounds are not soluble in…

Q: The rate constant for this first-order reaction is 0.710 s¹ at 400 °C. A →→ products How long, in…

A: 1) Given, A -----> product Reaction follows First order kinetics. Rate constant (k) = 0.710 s-1…

Q: Draw and name a structure using IUPAC rules that includes both an alkene and alkyne and at least one…

A: IUPAC rules for naming an organic compound:  1. The longest continuous possible chain can be…

Q: NaI (aq)       +        Cl2 (g)      →       I2 (s)      +      NaCl (aq)               Balance…

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Q: Hydrocarbon Structure Activity Part I: Hydrocarbon Structures and Names. INSTRUCTIONS: For each row…

A: With the help of the given hints in the above boxes, we can the rest of the boxes as;

Q: Name the functional group shown in each molecule below. The first answer has been filled in for y…

A: we he to identify the functional group in the given molecules

Q: uestion 4 (2 points) Listen For the formation of one mole nitrosyl chloride, the heat of reaction is…

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Q: Calculate the number of gold atoms in a 50.0 g sample of gold (III) chloride (Au₂C16). Be sure your…

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Q: A student properly sets up a column chromatography experiment. Although the mixture is soluble in…

A: Column Chromatography is used to separate a mixture of compounds into its pure components. The basis…

Q: write the acid-base reactions for benzoic acid and p-bromoaniline showing the neutral and charged…

A: Salt fromation will take place which is neutral in nature .

Q: H-N-H 1 14 Step 1: Find the Central Atom Central atom is: N Look your line bond structure on P. page…

A: Given compound is NH3 (ammonia). N is central atom while 3 H-atoms are surrounding atoms. no. of…

Q: How do models enhance the scientific method?

A: The concept used in this question is taken from General basic Chemistry. Models are useful tools in…

Q: 1. Flame Test Metal Barium chloride Calcium chloride Copper (II) sulfate Potassium chloride Sodium…

A: 1) The flame test is a qualitative test used to determine the identity of a metal or metal ion in an…

Q: Draw the correct product for the given Diels-Alder reaction. + Select Draw III Rings C H O More

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Q: A) Br. B) Br O Br

A: Given,

Q: Read the volume of the liquid in the Erlenmeyer flask. Estimate the volume to the nearest 5 mL…

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Q: Determine the mass of a sample of water containing 3.55*1022 molecules of H2O

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Q: 1. The data below show the concentration of N₂O5 versus time for the following reaction: N₂O5(9) →…

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Q: In science it is often useful to estimate if a measurement is "in the right ballpark" by comparing…

A: Right ballpark=> Meaning of right ballpark is "be close to the right amount". •Ball park term…

Q: I Н. Н --С=С-С-С=С-С JI н нн I C-H H -О-н `C-O. С-Н

A: Calculation of Sigma bond and pi bond in structure can be done in this way -: *For different types…

Q: A 4.369 g sample of metal is placed in a flask. Water is added to the flask and the total volume in…

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Q: . a. Choose a suitable acid to protonate the following molecule. b. Draw the products and show…

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Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.