What is the amount of heat, in calories, required to raise the temperature of 5.0 g of ice from −5.0 °C to 80 °C?

Q: give explanation too

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Q: A student mixed 50.0 mL of 2.00 mol/L HNO3(aq) with 50.0 mL of 2.00 mol/L KOH(aq) in a calorimeter.…

A: Given that A student mixed 50.0 mL of 2.00 mol/L HNO3 (aq) with 50.0 mL of 2.00 mol/L KOH(aq) in a…

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

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Q: The rem is a unit that measures the biological effect of radiation. True

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Q: ning 100% dissociation, 1.0 mol of NaBr dissolved in 250 g of water [Select] ✓ have the same…

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Q: under the drawing area. No stereocenters I F H

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Q: How many atoms of zirconium are in 0.3521 mol of ZrSiO; ?

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Q: How many moles of H₂O can be formed from 4.21 × 10²³ atoms of NH₃ from the following equation? 4…

A: Given reaction -: 4 NH₃(g) + 5 O₂(g) → 4 NO(g) + 6 H₂O(g) Given data  No. Of atoms of NH3= 4.21 ×…

Q: You need to make an aqueous solution of 0.149 M barium nitrate for an experiment in lab, using a 250…

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Q: 4-14. Determine whether or not the following pairs of operators commute. B (a) dx (b)) x (c) SQR (d)…

A: Operator: The formula for the Hamiltonian operator is: H ^ = p 2 2 m + V ( x ) , where the first…

Q: Write the K₂ expression for an aqueous solution of hypochlorous acid: (Note that either the…

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Q: Noble gas for Ca is Kr and it has 36 electrons. I don't understand why you say that if Ca loses two…

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Q: ClO2(g)+H2O(l)→HClO3(aq)+HCl(aq)ClO2(g)+H2O(l)→HClO3(aq)+HCl(aq) Express your answer as a chemical…

A: The question is based on the concept of chemical reactions. we have been provided a chemical…

Q: 4.61×1021 CaCa atoms Express your answer using three significant figures.    How many moles of atoms…

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Q: If you sighted along the C-C bond of chloroethane as shown in Figure 5-9, the correct Newman…

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Q: . ~C=CH 19-BBN 2.H₂O₂, H₂O, NalH 7 1. NaH 2. "Br 1

A: Note: According to our guidelines we are supposed to answer only one question. Kindly repost other…

Q: The value of K₂ for hydrofluoric acid, HF, is 7.20×10-4. Write the equation for the reaction that…

A: Equilibrium constant :  For a chemical reaction, the equilibrium constant can be defined as the…

Q: Consider the following reaction: 2CH₂Cl2 (9) ⇒ CH4 (9) + CCl4 (9) If 0.436 moles of CH₂Cl2 (g),…

A: The given question can be solved as :

Q: 21.4 g Ar How many moles of atoms are in each elemental sample?

A: Given  Mass of Ar = 21.4 g

Q: Draw out the organic shorthand for the molecules below, and then draw another possible resonance…

A: We will draw resonating structure of above compound given in the question.

Q: Consider the equilibrium system described by the chemical reaction below. If 0.1908 moles of CO2,…

A: Well, we have to calculate the equilibrium concentration as only moles at equilibrium is only given-…

Q: to determine the direction of the reactions shown below Reaction 1 goes towards Reaction 2 goes…

A: Given that, three equilibrium reactions are given below We  have to predict the given equilibrium…

Q: 4. Which of the following is a conjugated diene? A) B) C) D)

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Q: ration values of the H NMR spectra. 2

A: Splitting follows n+1 rule where n = number of different types of protons at adjacent carbons.…

Q: The Kp for the reaction A (g) 2 B (g) is 0.0450. What is Kp for the reaction 4 B (g) = 2 A (g)?

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Q: A student heats 84.17 mL of water to 95.27°C using a hot plate. The heated water is added to a…

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Q: H2(g)+P4(g)→PH3(g)H2(g)+P4(g)→PH3(g) Express your answer as a chemical equation. Identify all of the…

A: Since, Balanced reaction means that both side number of atom present in equal number. Thus,

Q: How much energy (in J) is needed to ionize 8.57 x 1018 ions of Be³+? Be3+ Be4+ + e

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Q: The decomposition of nitramide, O₂NNH₂, in water has the chemical equation and rate law [O₂NNH₂]…

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Q: a. Is the solution of KCl acidic, basic or neutral? acidic Obasic Oneutral b. Is the solution of…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Determine the pH during the titration of 59.5 mL of 0.490 M hypochlorous acid (K₁ = 3.5x10-8) by…

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Q: 1. How many moles of nitrate ions are present in a sample that contains 4.95 moles of lead(II)…

A: Given,1. Number of moles of lead II nitrate, PbNO32 = 4.95 mol2. Number of moles of nitrate ions =…

Q: How many moles of dinitrogen tetrafluoride are present in 3.93x10^22 molecules of this compound?…

A: Given, molecules of  dinitrogen tetrafluoride = 3.93 x 1022 molecules we know, => moles of…

Q: 16 gg C6H12O6C6H12O6 Express your answer using two significant figures.   How many molecules are in…

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Q: There are two steps in the usual industrial preparation of acrylic acid, the immediate precursor of…

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Q: ☆ nóy Ágo ndan THIS OH OH THIS THIS AT B VS D

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Q: Consider the reaction. PC1, (g) PC13 (g) + Cl₂(g) Kc = 0.0420 The concentrations of the products at…

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Q: For the reaction below, the concentrations at equilibrium are [SO₂] = 0.50 M, [0₂] = 0.25 M, and…

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Q: The Henry's law constant for CO2(g)CO2⁢(g) in water at 25 ∘C25⁢ ∘C is 29.4 bar·M−129.4⁢ bar·M−1.…

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Q: 4-1. Which of the following candidates for wave functions are normalizable over the indicated…

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Q: Using the drawing space below, draw the mirror image of the following molecule: B. Once you have…

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Q: H3 PO 4 write the equation Salve for the ki equation Look the formula ир

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Q: The following sets of quantum numbers are for the last valence electron for an atom in ground state.…

A: Here we have given all the four Quantum number values :-  n= principle quantum number l= Azimuthal…

Q: 3. Hydrogen can react with elemental sulfur to give the toxic gas H₂S according to the equation…

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Q: Ether a. b. Aldhéyde c. Ester d. e. Thiol f. Peroxyde g. Alcène h. Amide Aromatiques i. Halogénure…

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Q: What is an indicator and what is it used for in the concept of acid-base Titration? Explain

A: Indicator :  Acid–base indicators are compounds that change color when they become protonated or…