The special molecule that removes ions, EDTA, can remove calcium ions from the blood. When it does this specific task, it is classified as a(n) ___.     antipolymerant     antioxidant     anticoagulant     buffer

Q: A 55.7 g sample of brass is put into a calorimeter (see sketch at right) that contains 150.0 g of wa...

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Q: Given the standard enthalpy changes for the following two reactions: (1) 2Ni(s) + 02(g)→2N¡O(s) AH° ...

A: Given, 1) 2Ni(s) + O2(g) ➝ 2NiO(s)    ∆H° = -479.4 kJ 2) 2Hg(l) + O2(g) ➝ 2HgO(s)  ∆H° = -181.6 kJ 3...

Q: Aqueous sulfuric acid (H,SO,) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium su...

A: Sulfuric acid reacts with sodium hydroxide to form sodium sulfate. The equation for the balanced che...

Q: Which condition favors the forward direction of a reversible reaction? A. Q = K B. Q K D. Q = 0

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Q: Between CO2 and air, which loses more heat upon cooling after heating? Explain why

A: The heat energy absorbed or released in a process is given by Q=mc(T2-T1) where Q=heat energy, m= ma...

Q: thermometer A 59.1 g sample of quartz is put into a calorimeter (see sketch at right) that contains ...

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Q: How much heat energy is required to convert 76.9 g of solid ethanol at –114.5 °C to gasesous ethanol...

A: When there is phase transition taking place then heat energy is calculated using heat of transition ...

Q: For a single-component system, the fundamental thermodynamic relation is given by dE = Tds – PdV + u...

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Q: Would you expect the glucose levels of the glucose solution to change appreciably after the addition...

A: Given:- Would you expect the glucose levels of the glucose solution to change appreciably after the ...

Q: 17. Select the correctly paired valence and core electrons. Element Valence electrons Core electrons...

A: Electrons are filled in a different atomic orbital in an atom. According to the Aufbau rule, the ele...

Q: Problem 2: Show the fragmentations for4-methyl-2-pentanone radical carbocati on and eplain why thàti...

A: Mass spectra provides the information about the molecular formula and the possible fragmentation of ...

Q: 4. Why do we have to wash the ether layer using 1 N HCl during the workup?

A: Answer is given below

Q: 16. Select the correct statement below: Phosphorous contains 10 core electrons and 5 valence electro...

A: Filling of electrons in orbital obeying hund’s rule and Pauli principle.

Q: Suppose a 500. mL flask is filled with 0.70 mol of H, and 1.9 mol of I,. The following reaction beco...

A:           Number of moles of H2 = 0.7 mol           Number of moles of I2 = 1.9 mol    Volume of rea...

Q: What is the molarity of a solution that contains 75.0 g of KNO3dissolved in 0.350 L of         solut...

A: Given : mass of KNO3 = 75.0 g              volume of solution = 0.350 L  To calculate :- molarity of...

Q: For each of the following sets quantum numbers, give the atomic orbital designation for each row. 11...

A: n = the principle quantum number l = the orbital angular momentum quantum number ml = the magnetic q...

Q: At high temperatures, hydrogen chloride gas (HCI) partially dissociates into hydrogen gas and chlori...

A: Answer: In reversible reaction, initially the rate of forward reaction is higher than rate of backwa...

Q: A scientist measures the standard enthalpy change for the following reaction to be -189.6 kJ : HCI(g...

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Q: One form of DNA damage, methylation, destabilizes adenosine residues. At 37 °C, the t1/2 for breakdo...

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Q: Draw the major product of this reaction. Ignore inorganic byproducts. CI excess NH3 Select to Draw

A: Answer: Given reactant is an acid chloride derivative which is reacting with a nucleophile ammonia i...

Q: . Which condition favors the forward direction of a reversible reaction? A. Q = K B. Q K D. Q = 0

A: Which of the following is correct

Q: The precipitate to be obtained will be more likely colloidal if the computed relative supersaturatio...

A: 25) when the relative supersaturation is large, the precipitate formed likely to be colloidal.

Q: Q/Write the possible compounds from the reaction of one and a half mole of benzaldehyde with one mol...

A: Benzaldehyde reacts with acetone and undergoes condensation reaction. Here we have to find out the c...

Q: Would a solution that contains equal volumes of 0.10 M NAOH and 0.20 M Na*CiO" (sodium hypochlorite)...

A:

Q: For the reaction of 2A - 3B, a plot of In[A] vs. time is linear with a slope of -0.20. What is the r...

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Q: How much energy is required to raise the temperature of 11.1 grams of solid iodine from 24.8 °C to 3...

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Q: This is the chemical formula for cassiterite (tin ore): SnO, A geochemist has determined by measurem...

A: Molecular formula: In a molecular formula we describe the number of atoms of all the elements presen...

Q: Solid PbBr2 (Ksp = 6.6 x 10-6) added to a solution of AgNO3, which results in the formation of solid...

A: Given :  Ksp of PbBr2 = 6.6 x 10-6  Ksp of AgBr = 5.5 x 10-13   

Q: Draw the simplest set of curved arrows that shows how the structure on the left could be turned into...

A: Lewis structure represent movement of electrons in an atom or molecule. Lewis structure are also cal...

Q: Suppose a 250. mL flask is filled with 1.8 mol of H, and 2.0 mol of NH,. This reaction becomes possi...

A: The solution is provided.

Q: Here is the chemical structure of 2-bromobutane: H H. H. H -C- C-C-- C-H H. :Br: Decide whether each...

A: The relationship of the above compounds with 2-bromobutane is given below

Q: Name the highlighted chemical group in each molecule. Lewis structure name of highlighted group H H ...

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Q: Propane can be turned into hydrogen by the two-step reforming process. In the first step, propane an...

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Q: Ive the following differential equations: а. dx2 - 4y = 0 y(0) = 2 (at x = 0) = 4 b. dx2 5 + 6y = 0 ...

A: Energy of proton = 100eV  Energy of electron = 100eV

Q: 2H зн 3H 2H 2H IS7.44 2.85-

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Q: A student heats 61.27 grams of silver to 97.71 °C and then drops it into a cup containing 82.16 gram...

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Q: The term which describes the pressure exerted by a vertical column of water, based on the distance b...

A: 2nd option is correct that is hydrostatic head

Q: Without doing any calculations, match the following thermodynamic properties with their appropriate ...

A: This question is related to chemical thermodynamics. Endothermic reactions are those involving absor...

Q: initial change equilibrium

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Q: Alcoholic beverages are solutions. Typically, a beer contains about 4.50% (v/v) of ethanol fermented...

A: A numerical problem based on concentration terms that is to be accomplished.

Q: 4. (i) Identify the different enthalpy changes and construct the Born-Haber cycle for the formation ...

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Q: Give the IUPAC name.

A: Given compound: The IUPAC name of the compound has to be determined.

Q: Weight of Coin 1 (g) Weight of Coin 2 (g) Weight of Coin 3 (g) Weight of Coin 4 (g) Weight of Coin 5...

A: The mean is the average of all the values in a dataset. Standard deviation is a statistic which meas...

Q: 1)What is the concentration of the final diluted solution in mcg/mL?(1 decimal) 2) What volume of t...

A: Mass of paracetamol = 140.1 mg    Volume of solution = 200 mL            Concentration = 140.1 mg/20...

Q: In a lab, dissociation constant, K, of an acid-base indicator is measured. A 1.00 x 104 M solution o...

A: Concentration (C) of the indicator = 1.00 x 10-4 M path length (l) of cuvette = 1.00 cm Molar absorp...

Q: The concept that exactly 2 electrons are shared between two nuclei means that this is a ___ bond.  ...

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Q: Which condition favors the forward direction of a reversible reaction? A. Q = K B. Q K D. Q = 0

A:

Q: 1. Name using IUPAC substitutive nomenclatare nles

A: Write IUPAC name by using rules of that,  

Q: Use the systematic treatment to get the concentrations of all the species in a solution of: a.) 0.35...

A:

Q: Consider the three statements below. Which statement(s) is(are) true? 1. Hydration is a special case...

A: Electrostatic force of attraction is defined as attractive force held between positive and negative ...