If 246,000 J of energy are required to raise 10 kg of sodium from 15°C to 35°C, what is the specific heat capacity of sodium?

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A: Entropy of fusion is the increase in entropy when we melt a substance.

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Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar Sy...

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Q: Arrhenious equation

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Q: Identify the 4 quantum numbers of the 17th electron of Strontium

A: Identify the 4 quantum numbers of the 17th electron of Strontium

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Q: Which of the following statement is true for atomic mass of 39 19 K ? Group of answer choices   A.) ...

A: Which of the following statement is true for atomic mass of 39 19 K ?

Q: Which of the following has two valence electrons? A) hydrogen B) carbon C) aluminum D) strontium

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Q: NH2 H. HO N- OH S.

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Q: Which of the following is the correct formula weight for Sodium Bicarbonate, NaHCO3?

A: Given NaHCO3

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A: Change in the standard free energy of an exothermic reaction is negative whereas for endothermic rea...

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Q: pHCalculations_Ayniah luster A B U SA 三 三 三 . What would the hydrogen ion concentration be if the pO...

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Q: Would the reaction of beryllium, Be, with oxygen be more or less vigorous than ba?

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Q: Draw the orbital diagram for the valence electron configuration of the element Strontium (Sr)

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Q: 3. Calculate the # of grams needed to produce each: a) 0.20 L of 1.5 M KCI b) 0.160 L of 0.300 M HCI...

A: Molarity of a solution can be defined as the number of moles of solute dissolved per litre of that s...

Q: Draw the structure of the major products if the given compound reacts with O3, then Zn, acetic acid.

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Q: Identify: - Element whose 5p orbital has 1 electron - Element in Group 7A whose anion form is isoel...

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Q: Formula Total # Valence Electrons Plausible Lewis Structure HCI SIH4 PH3 Оз SO3 H2S HCN CO2

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Q: Stronger Bronsted- Lowry acid C9H7N Weaker Bronsted-Lowry C9H,NH+ acid Stronger Bronsted- Lowry base...

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Q: Write all pertinent computations to justify your final answer. Final answers must be enclosed with a...

A: Given, Freezing point of the aqueous solution (Tf(solution)) = -0.45°C Mass of unknown compound = 2....

Q: 50.00 mL of a solution containing both Ni2* and Pb²+ ions requires 46.32 ml of a 0.02041 M EDTA solu...

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Q: Would it be reasonable to store the standardized KMnO4 solution in a screw- cap bottle, if the cap i...

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Q: Questions . How many grams of nitric acid are present in 1.0 L of a 1.0 M HNO3 solution? . Calculate...

A: 1)  Volume of solution = 1.0 L Molarity of nitric acid = 1.0 M  

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Q: Would the reaction of magnesium, mg with oxygen be more or less vigorous than Al?

A:   Yes the reaction of Magnesium with oxygen will be more vigorously than Reaction of Alminium with o...

Q: What is the hydronium ion concentration in 0.275 M nitrous acid? Ka= 7.1x10^-4 Hide answer choices A...

A: Given :  Concentration of nitrous acid = 0.275 M  Ka = 7.1 x 10-4

Q: refractometer

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Q: Which of the following atom does belong to lanthanide group? Group of answer choices A.) U: Z = 92 B...

A: Given :-  A.) U: Z = 92 B.) Hg: Z = 80 C.) Ce: Z = 58 D.) Cs: Z = 55    To identify :- a lant...

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A: synthesis reaction It can be shown by the general equation: A + B → C  Synthesis reactions are also ...

Q: Identify the type of reaction and balance the equation: C. C2 H6+O2 E.CdBr2(aq)+Na2S(aq)

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Q: General Biology 1 Explain the answers to A and B in great length (a couple of medium to long paragr...

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Q: ΔH0f

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Q: 1. A certain reaction has an activation energy of 54.0 kJ/mol. As the temperature is increased from ...

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Q: 4. What would the hydroxide ion concentration be if the hydrogen ion concentration was 1 x 10 M?

A: Given data for this, [H+] = 1×10-5 M   

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Q: The temperature that a paper burns is 230 °C. What is the temperature in Fahrenheit and Kelvin?

A: The relationship between temperature in Kelvin scale and degree Celsius scale and Fahrenheit is  T (...

Q: Draw the structures for the following compounds. (a) 3-benzyl-4-bromohexane , 4,4-dimethylcyclohexen...

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Q: Would the reaction of cesium, Cs, with oxygen be more or less vigorous than K?

A: We are given two elements K and Cs

Q: Using balanced equations to describe the dissolution reaction, acidifying reaction, and the titratio...

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Q: An experimental data on the reaction of H2 and PO3-3 is given below:   Initial [PO3-3] Initial [H...

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Q: Classify these structures as hemiacetal, acetal, or other. Hemiacetal Acetal Other OH CH3 CH CH:OÇOC...

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Q: What rule is being broken in this orbital diagram? 1s 2s 2p O Aufbau Principle O Hund's Rule O Pauli...

A: Quantum numbers tell us about the location of electrons in a shell, subshell of atom.

Q: In the reaction of Fe 3 O 4 with carbon to form carbon dioxide and iron, the number of moles of carb...

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