Determine the mass in grams of 8.71 × 10²¹ atoms of carbon. (The mass of one mole of carbon is 12.01 g.)

Q: 6. Hydrofluoric acid, HF, is a weak acid that dissociates in water according to the following…

A: We have to determine the conjugate base of HF in the given reaction

Q: Today, water pollution has been highlighted to be the major environmental concern, driven by the…

A: Answer-b  Malaysia is abundant in water resources and available throughout the year.

Q: n addition to burning, what issues do fossil fuels cause in the environment? Provide examples. How…

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Q: If 1000 g of water from Angat River contains 0.0075 g of Ca²+ ion, what is the concentration in ppm…

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Q: . What is the mole fraction of each gas in a mixture having the partial pressures of 0.467 atm of…

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Q: Name the tripeptide using the three letter amino acid abbreviations separated by a hyphen. (For…

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Q: A solution of HCI is standardized against a sample which has been previously found to contain 71.22%…

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Q: Identify the features of the two bonded amino acids depicted in the image. HOH H | || N-C-C-N-C-C CH…

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Q: Q2-What is the number of grams of Cas(PO4)2 and grams of KCI can be produced by mixing 5g of CaCl;…

A: We are authorised to solve only one question at a time. Please post rest of the questions…

Q: a) What is the order of this reaction? b) c) What is the half life for this reaction? What is the…

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Q: 1. Calculate the amount of heat that must be absorbed by 10.0 gram of ice at -20C to convert it to…

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Q: 7.Finish off the after reactions with the main products and the lost reaction conditions. Point to…

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Q: A wire 7 mm in diameter is to offer a resistance of 10.5 Q. Find the maximum wire length. o = 3.8 ×…

A: Resistance = 10.5 ohm Conductivity = 3.8 x 107 (ohm-m)-1 Diameter = 7 mm It is desired to calculate…

Q: How many Calories are found in a frozen pizza that has 17 g of fat, 38 g of carbohydrates, and 13 g…

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Q: The total pressure of the following system is used to monitor the progress of the chemical reaction.…

A: The reaction for which the total pressure, Ptotal(kPa) data is given is: SO2Cl2(g) → SO2(g) + Cl2(g)…

Q: 1. The isomers CH3OCH3 and CH3CH₂OH differ in 1. molecular formula 2. molecular structure 3. number…

A: Choose the correct option of the given questions of the following---

Q: H НО НО HO.

A: Note- Dear student, since the given question is a mutipart question, hence I solved first three…

Q: Question 3 A number of biologically active molecules possess 1, 2 functional groups. The molecule…

A: Detail retrosynthetic pathway and forward reaction is given below

Q: To obtain the specified product, what reagents should be reacted with the reactant?

A: In the given reaction the acid bromide reacts with a specific reducing agent and is reduced into an…

Q: Identify the characteristic seen in the mass spectrum when there is a nitrogen in the compound.…

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Q: Given this molecule, provide the amount of non-equivalent hydrogens, the integration, the shielding…

A: 1H-NMR gives a valuable information regarding complete structure of the molecule. Form the chemical…

Q: The IR spectrum below represents which of the following compounds? Absorbance/% www 4000 3000 500…

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Q: Determine the number of atoms of O in 26.6 moles of Al₂(SO₄)₃.

A: given,  moles of  Al₂(SO₄)₃. = 26.6 moles

Q: Sodium chlorate decomposes into sodium chloride and oxygen gas as seen in the equation below.…

A: Number of moles is calculated by dividing the given mass with molecular mass.

Q: A solution is prepared by mixing 5 ml of ethyl alcohol in 100 ml of water. What is the volume…

A: Here we are required to find the volume percentage of ethanol in the solution

Q: The normal composition for this foliar spray is 128 grams of calcium nitrate at 94.64v liters of…

A: Here we have to determine the change in vapour pressure of solution when 128 g Ca(NO3)2 is added to…

Q: Activity 3: Fill in the blanks with the correct answer. Imagine that you have a system that is…

A: According to Le-Chaletlier principle if we make any changes in reaction then the system will try to…

Q: What is the final temperature (in °C) of 850.1 g of water (specific heat = 4.184 J/g･°C) at 24.20°C…

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Q: 5. What is the critical temperature of the mixture? a. 273 °C b. 290 °C c. 292 °C d. 294 °C 6. How…

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Q: Triplet @ 2.20 ppm 0.78 ppm and C-NMR-Figure 4b spectra. Identify the compound. The spin…

A: The answer is given below.

Q: Explain the chemical process for determining when all the methyl anthranilate is converted to…

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Q: A1. The Swern oxidation is a useful functional group transformation in organic chemistry. Give the…

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Q: Due to a strong dipole-dipole intermolecular force, amino acids can exist in solid-state.

A: " Due to strong dipole-dipole intermolecular force, amino acids can exist in solid state. "  The…

Q: 1. What is pH of a 0.040M solution of HC104? 2. An aqueous solution of HNO3 has a pH of 2.66. What…

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Q: 2. Calculate the amount of heat needed to melt 2.00 kilogram of iron at its melting point (1,809 K),…

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Q: 4. Based on the equation below, how many moles of aluminum sulfate (Al(SO4)3) will be produced from…

A: Solutions- Given-5.8 moles of aluminum hydroxide Al(OH)3) and excess sulfuric acid (H2S04)?…

Q: Question 8: When working in a lab over the holidays you find a vial of blue lic the only thing can…

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Q: E 2. Evaluate (35) for a van der Waals gas. T

A: Evaluation of internal pressure for vanderwaal gas

Q: 4. Air at 25°C expands adiabatically and reversibly from 10 atm to 1 atm. How many moles of gas are…

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Q: 3. Which is an example of an acid? A. NH3 C. NaCl B. NaHCO D. CH3COOH 4. Which one of the following…

A: 3) acidity depends on two factor- i) donation of H+ ion. ii) stability of conjugate base. Here…

Q: How many additional resonance structures does this structure have (all atoms having octets)? CO

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Q: Classify the components as most accurately describing cofactors, coenzymes, or neither. Cofactors…

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Q: Which element's oxidation number is always -1 in its non-elemental state? A oxygen B с D hydrogen…

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Q: How many of the following methylanilines can be formed upon reaction of m-bromotoluene with NaNH₂ in…

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Q: 2. What is the normal boiling point of the following solutions? (a) 23.5 g NaCl in 120 g H₂O and (b)…

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

Q: Classify each specific inhibitor or inhibitor characteristic according to one of two types of…

A: The solution is given below -

Q: A student was required to prepare 250.0 mL of a cyanoacetic acid/sodium cyanoacetate buffer in which…

A: Given, Volume of buffer = 250.0 mL Concentration of weak acid = 0.067 M Concentration of conjugate…

Q: The element X has two naturally occurring isotopes: X50 (relative abundance = 30.15%, mass = 50.3)…

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

Q: One mole of nitrogen oxide, NO, reacts with oxygen gas to produce a brown gas, NO₂ and 120 kJ of…

A: One mole of nitrogen oxide, NO reacts with oxygen gas to produce a brown gas NO2 and 120 KJ ofheat…

Q: ▾ Part B Copper has a face-centered cubic unit cell. How many atoms of Cu are present in each unit…

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Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.