A 110-volt 6 Ampere electric heatrer is submerged in 1 kg of water for 24 minutes. What will be the final temperature of the water if its initial temperature is 23 C. Assume a heat loss of 13%.

Q: Using only the periodic table arrange the following elements in order of increasing atomic radius:…

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Q: 6. Give a clear description of how you would separate the following mixtures: a. Sugar from water b.…

A: a) We have to separate Sugar from water  : The easiest way to separate a mixture of sugar and water…

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A: The amount of translational kinetic energy  that an object has depends upon two variables: the mass…

Q: Use the References to access important values if needed for this question. 1A 8A H 2A 3A 4A SA 6A 7A…

A: Two species are iso electronic when they have same number of electron  thus have electronic…

Q: N SnO2 + 4Na+ + 4e- Sn+2Na₂O -> Sn+xNa* + xe− + NaxSn M

A: I will be attaching screenshots of the solutions I have derived using Mathcad software to clearly…

Q: Consider the table. ITITE Metal Tm (K) AHfus (kJ/mol) Tp (K) AHvap (kJ/mol) Li 454 2.99 1615 134.7…

A: We have given that For K ∆Hfus = 2.33 kJ/mole = 2330 J/mole                       Tm = 336 K   ∆Hvap…

Q: Potentially Useful Information Spectrochemical Series: | < Br < SCN' < Cl° < NO3¯< F° < OH° < C2O4²¯…

A: Applying concept of co-ordination number of 16e- complexes.

Q: lead + oxygen → ……………………………...……oxide

A: Lead + Oxygen → ______________________oxide

Q: COMPLETE THIS TABLE AND WRITE THEIR CHEMICAL REACTIONS   Group III Cations Confirmatory Reagent…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: Use the following five equations to answer the following questions: i. H2O(s)⟶H2O(l) ii.…

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Q: Choose an element (1) (Except Hydrogen) Define its isotopes and its uses and it must be inclined…

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Q: How does this chemical reaction causes the fireworks to operate. 6KNO3 + C7H4O + 2S -------->…

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Q: II II IV V II O IV O V оооо о

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Q: tBu 111 Br NaH

A: An elimination reaction is a type of chemical reaction where several atoms either in pairs or groups…

Q: 1A 8A H 2A 3A 4A SA 6A 7A He BC NO F Ne Li Be Na Mg 38 4B 5B 6B 78 r88 - 1B 28 Ai si P S CI Ar K Ca…

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Q: Explain the concept of analytical chemistry regarding soil pollution

A: Interpretation -  To explain the concept of analytical chemistry regarding soil pollution -…

Q: A wine-dispensing system uses argon canisters to pressurize and preserve wine in the bottle. An…

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Q: What are the unique properties of nanoscale (1 nm ∙ 10∙9 m) materials?

A: Nanomaterials are the materials that have at least one dimension between 1 nm and 100 nm are called…

Q: How many grams of F2 are there in 1.84 mol F2?

A: Given, Moles of F2 = 1.84 mol

Q: 4. Zne) Niraa) Zna) Znr?aa) + Nie) +

A: EZn/Zn2+o = 0.76 V  ENi2+/Nio = -0.257 V   Ecello =   EZn/Zn2+o + ENi2+/Nio = 0.76 + (-0.257) =…

Q: Reactants That Formed a Solid lonic Form Formula of Solid That Formed of Reactants Cu(NO3)2 NaOH Cu…

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Q: 4.2 3.8 3.4 2.6 f1 (ppm) 2.2 1.8 1.4 1.0 0.6 0.2 -0 2.00-1 0.98- 2.02-1 3.951 2.941 3.59 -3.57 3.56…

A: In the 1-H NMR spectra, the number of peaks will be the same as the number of different protons…

Q: 1. LDA-780 2. CH₂CH d: kime

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Q: Which sample has the largest volume  densitites are aluminum 2.7 g.cm-3 and copper 9.0g.cm-3 (A)…

A: Formula: Density= mass/volume Volume= mass/density Given data: density of aluminium=2.7 g/cm³ ,…

Q: de ase o Considering what you now know about Charles' law, make a prediction based on the foll…

A: According to the Charle's Law, the volume of a gas is directly proportional to the volume of gas. It…

Q: Use the References to access important values if needed for this question. 1A 8A H 2A 3A 4A 6A 7A He…

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Q: Calculate the amount of material remaining for each of the following substances. 5.25 g Rn-222 (t ½…

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Q: Mendeleev used chemical reactivity to determine how to organize the elements of the periodic table…

A: Mendeleev's Periodic table was arranged based on the atomic masses of the element, a group of…

Q: Indicate which is larger in each of the following two sets. (1) Ni²+ or Ni (II) Te²- or Te

A: #General order of size :  Cation &lt; neutral &lt; anion.  Reason :  Cation is smaller in size…

Q: Disintegrate or decay mean that radioactive elements disappear as they emit radiation and are…

A: The given statement is true

Q: Part A Classify the following molecule according to its functional group. H H H H. H-C- C-N-C C-H H…

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Q: what is the physical stare of Fe? physical appearance of Fe? what is the color of Fe?

A: Fe is symbol of iron. It is a transition metal. It shows two stable variable valency - ferrous…

Q: 2.) Suppose you're attempting to measure the density of a liquid that is highly volatile (it…

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Q: Part B: Observations: Oaklardium fogged up in the water. Plum Springum fogged up the water brown…

A: Rv(s) (aq) + OK (NO3)2 (aq) ----&gt;  Rv (NO3)2 (aq) + OK (s)Ionic equation -Rv(s)  + OK2+ (aq) +…

Q: The element titanium is now being used as a structuralmaterial for bone and joint replacement…

A: Titanium belongs to group four. It is solid metal at room temperature with an electronic…

Q: Where is the 2.303 coming from ?

A: To find: the purpose of the value 2.303

Q: The recommended adult dose of Elxophylin, a drug used to treat asthma, is 6.00 mg/kg of body mass…

A: Given,  A drug used to treat asthma is 6.00 mg/kg of body mass.  The amount of drug used by 110-lb…

Q: CrO, но H,0* .CI OH CI 1. DMSO, 2. Et,Cl

A: Given reactions are oxidation reaction of primary alcohols.

Q: If pKa = 2.96 then Ka

A: Given: The value of pKa is 2.96 Ka is the acid dissociation constant

Q: The technique of mass spectrometry cannot... O be used in conjunction with an HPLC. be used in the…

A: Mass spectroscopy is an analytical technique used to measure the mass (m) to charge (z) ratio (m/z)…

Q: A chemical engineer is studying the two reactions shown in the table below. In each case, she fills…

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Q: element 'X' is

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Q: Potentially Useful Information Spectrochemical Series: | < Br < SCN° < Cl` < NO3¯ < F < OH¨ <…

A: Colors of solution (visible to eye) Color (absorbed by compound) Red  Blue-green Orange  Blue…

Q: A student is given an unknown metal “M” which reacts with iron and copper, but not with magnesium.…

A: To find metal M which reacts with Fe and Cu but doesn't with Mg:

Q: 2. Using the equilibrium constant expressions, you determined on # 1, calculate the value of K when:…

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Q: which of the following best illustrates a water molecule?

A: H2O is a polar molecule